diff --git a/client/package-lock.json b/client/package-lock.json
index 2f6715a..1084572 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "rdio-scanner-client",
-    "version": "4.5.1",
+    "version": "4.5.2",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/client/package.json b/client/package.json
index 6d1c32d..21583c7 100644
--- a/client/package.json
+++ b/client/package.json
@@ -33,5 +33,5 @@
         "build": "ng build --base-href ./ --prod",
         "start": "ng serve"
     },
-    "version": "4.5.1"
+    "version": "4.5.2"
 }
diff --git a/client/src/app/components/rdio-scanner/rdio-scanner.component.ts b/client/src/app/components/rdio-scanner/rdio-scanner.component.ts
index e9c8919..9d149be 100644
--- a/client/src/app/components/rdio-scanner/rdio-scanner.component.ts
+++ b/client/src/app/components/rdio-scanner/rdio-scanner.component.ts
@@ -26,6 +26,7 @@ import { BehaviorSubject, NEVER, Subscription, timer } from 'rxjs';
 import { name as appName, version } from '../../../../package.json';
 import {
     RdioScannerAvoidOptions,
+    RdioScannerBeepStyle,
     RdioScannerCall,
     RdioScannerConfig,
     RdioScannerEvent,
@@ -144,10 +145,15 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
         if (this.auth) {
             this.authFocus();
 
-        } else if (!this.liveFeedOffline) {
-            this.appRdioScannerService.beep(options || this.call || this.callPrevious ? 1 : 3);
+        } else {
+            if (options || this.call || this.callPrevious) {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Activate);
 
-            this.appRdioScannerService.avoid(options);
+                this.appRdioScannerService.avoid(options);
+
+            } else {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Denied);
+            }
 
             this.updateDimmer();
         }
@@ -176,10 +182,15 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
         if (this.auth) {
             this.authFocus();
 
-        } else if (!this.liveFeedOffline) {
-            this.appRdioScannerService.beep(this.call || this.callPrevious ? this.holdSys ? 2 : 1 : 3);
+        } else {
+            if (this.call || this.callPrevious) {
+                this.appRdioScannerService.beep(this.holdSys ? RdioScannerBeepStyle.Deactivate : RdioScannerBeepStyle.Activate);
 
-            this.appRdioScannerService.holdSystem();
+                this.appRdioScannerService.holdSystem();
+
+            } else {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Denied);
+            }
 
             this.updateDimmer();
         }
@@ -189,10 +200,15 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
         if (this.auth) {
             this.authFocus();
 
-        } else if (!this.liveFeedOffline) {
-            this.appRdioScannerService.beep(this.call || this.callPrevious ? this.holdTg ? 2 : 1 : 3);
+        } else {
+            if (this.call || this.callPrevious) {
+                this.appRdioScannerService.beep(this.holdTg ? RdioScannerBeepStyle.Deactivate : RdioScannerBeepStyle.Activate);
 
-            this.appRdioScannerService.holdTalkgroup();
+                this.appRdioScannerService.holdTalkgroup();
+
+            } else {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Denied);
+            }
 
             this.updateDimmer();
         }
@@ -204,17 +220,17 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
 
         } else {
             if (this.liveFeedOffline) {
-                this.appRdioScannerService.beep(2);
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Deactivate);
 
                 this.stopOfflinePlay();
 
             } else {
-                this.appRdioScannerService.beep(this.liveFeedActive ? 2 : 1);
+                this.appRdioScannerService.beep(this.liveFeedActive ? RdioScannerBeepStyle.Deactivate : RdioScannerBeepStyle.Activate);
 
                 this.appRdioScannerService.liveFeed();
-
-                this.updateDimmer();
             }
+
+            this.updateDimmer();
         }
     }
 
@@ -439,9 +455,14 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
             this.authFocus();
 
         } else {
-            this.appRdioScannerService.beep(this.liveFeedPaused ? 2 : 1);
+            if (this.liveFeedPaused) {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Deactivate).then(() => this.appRdioScannerService.pause());
 
-            this.appRdioScannerService.pause();
+            } else {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Activate);
+
+                this.appRdioScannerService.pause();
+            }
 
             this.updateDimmer();
         }
@@ -473,9 +494,14 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
             this.authFocus();
 
         } else {
-            this.appRdioScannerService.beep(this.call || this.callPrevious ? 1 : 3);
+            if (!this.liveFeedPaused && (this.call || this.callPrevious)) {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Activate);
 
-            this.appRdioScannerService.replay();
+                this.appRdioScannerService.replay();
+
+            } else {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Denied);
+            }
 
             this.updateDimmer();
         }
@@ -579,10 +605,15 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
         if (this.auth) {
             this.authFocus();
 
-        } else if (!this.callPending) {
-            this.appRdioScannerService.beep(this.call || this.callPrevious ? 1 : 3);
+        } else {
+            if (this.call && !this.callPending) {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Activate);
 
-            this.appRdioScannerService.skip(options);
+                this.appRdioScannerService.skip(options);
+
+            } else {
+                this.appRdioScannerService.beep(RdioScannerBeepStyle.Denied);
+            }
 
             this.updateDimmer();
         }
@@ -804,19 +835,23 @@ export class AppRdioScannerComponent implements AfterViewInit, OnDestroy {
     }
 
     private updateDimmer(): void {
-        this.dimmerTimer?.unsubscribe();
+        if (this.config?.useDimmer) {
+            const delay = typeof this.config.useDimmer === 'boolean' ? 5000 : this.config.useDimmer * 1000;
 
-        this.dimmer = true;
-
-        this.dimmerTimer = timer(5 * 1000).subscribe(() => {
             this.dimmerTimer?.unsubscribe();
 
-            this.dimmerTimer = undefined;
+            this.dimmer = true;
 
-            this.dimmer = false;
+            this.dimmerTimer = timer(delay).subscribe(() => {
+                this.dimmerTimer?.unsubscribe();
 
-            this.ngDetectChanges();
-        });
+                this.dimmerTimer = undefined;
+
+                this.dimmer = false;
+
+                this.ngDetectChanges();
+            });
+        }
     }
 
     private updateDisplay(time = this.callTime): void {
diff --git a/client/src/app/components/rdio-scanner/rdio-scanner.service.ts b/client/src/app/components/rdio-scanner/rdio-scanner.service.ts
index 1780fd6..dd7ef52 100644
--- a/client/src/app/components/rdio-scanner/rdio-scanner.service.ts
+++ b/client/src/app/components/rdio-scanner/rdio-scanner.service.ts
@@ -23,6 +23,7 @@ import { interval, timer } from 'rxjs';
 import { takeWhile } from 'rxjs/operators';
 import {
     RdioScannerAvoidOptions,
+    RdioScannerBeepStyle,
     RdioScannerCall,
     RdioScannerConfig,
     RdioScannerEvent,
@@ -70,7 +71,7 @@ export class AppRdioScannerService implements OnDestroy {
 
     private config: RdioScannerConfig = {
         allowDownload: true,
-        keyBeep: true,
+        keypadBeeps: false,
         systems: [],
         useDimmer: true,
         useGroup: true,
@@ -165,25 +166,42 @@ export class AppRdioScannerService implements OnDestroy {
         });
     }
 
-    beep(style = 1): void {
-        if (this.config.keyBeep) {
-            switch (style) {
-                case 1:
-                    this.beep1();
-                    break;
+    beep(style = RdioScannerBeepStyle.Activate): Promise<void> {
+        return new Promise((resolve) => {
+            if (!this.beepContext || !this.config.keypadBeeps) {
+                resolve();
 
-                case 2:
-                    this.beep2();
-                    break;
-
-                case 3:
-                    this.beep3();
-                    break;
-
-                default:
-                    this.beep1();
+                return;
             }
-        }
+
+            const context = this.beepContext;
+
+            const gn = context.createGain();
+
+            const seq = this.config.keypadBeeps[style];
+
+            gn.gain.value = .1;
+
+            gn.connect(context.destination);
+
+            seq.forEach((beep, index) => {
+                const osc = context.createOscillator();
+
+                osc.connect(gn);
+
+                osc.frequency.value = beep.frequency;
+
+                osc.type = beep.type;
+
+                if (index === seq.length - 1) {
+                    osc.onended = () => resolve();
+                }
+
+                osc.start(context.currentTime + beep.begin);
+
+                osc.stop(context.currentTime + beep.end);
+            });
+        });
     }
 
     holdSystem(options?: { resubscribe: boolean }): void {
@@ -489,98 +507,8 @@ export class AppRdioScannerService implements OnDestroy {
         }
     }
 
-    private beep1(): void {
-        const context = this.beepContext;
-
-        if (context) {
-            const gn = context.createGain();
-
-            const osc = context.createOscillator();
-
-            gn.connect(context.destination);
-
-            gn.gain.value = .1;
-
-            osc.connect(gn);
-
-            osc.frequency.value = 1200;
-
-            osc.type = 'square';
-
-            context.resume().then(() => {
-                osc.start();
-
-                osc.stop(context.currentTime + .05);
-            });
-        }
-    }
-
-    private beep2(): void {
-        const context = this.beepContext;
-
-        if (context) {
-            const gn = context.createGain();
-
-            const osc1 = context.createOscillator();
-            const osc2 = context.createOscillator();
-
-            gn.connect(context.destination);
-
-            gn.gain.value = .1;
-
-            osc1.connect(gn);
-            osc2.connect(gn);
-
-            osc1.frequency.value = 1200;
-            osc2.frequency.value = 925;
-
-            osc1.type = 'square';
-            osc2.type = 'square';
-
-            context.resume().then(() => {
-                osc1.start();
-                osc1.stop(context.currentTime + .1);
-
-                osc2.start(context.currentTime + .1);
-                osc2.stop(context.currentTime + .2);
-            });
-        }
-    }
-
-    private beep3(): void {
-        const context = this.beepContext;
-
-        if (context) {
-            const gn = context.createGain();
-
-            const osc1 = context.createOscillator();
-            const osc2 = context.createOscillator();
-
-            gn.connect(context.destination);
-
-            gn.gain.value = .1;
-
-            osc1.connect(gn);
-            osc2.connect(gn);
-
-            osc1.frequency.value = 925;
-            osc2.frequency.value = 925;
-
-            osc1.type = 'square';
-            osc2.type = 'square';
-
-            context.resume().then(() => {
-                osc1.start();
-                osc1.stop(context.currentTime + .05);
-
-                osc2.start(context.currentTime + .1);
-                osc2.stop(context.currentTime + .15);
-            });
-        }
-    }
-
     private bootstrapAudio(): void {
-        const events = ['mousedown', 'touchdown'];
+        const events = ['keydown', 'mousedown', 'touchdown'];
 
         const bootstrap = async () => {
             if (!this.audioContext) {
@@ -603,7 +531,13 @@ export class AppRdioScannerService implements OnDestroy {
                 await this.audioContext.resume();
 
                 this.audioContext.onstatechange = () => resume();
+            }
 
+            if (this.beepContext) {
+                await this.beepContext.resume();
+            }
+
+            if (this.audioContext && this.beepContext) {
                 events.forEach((event) => document.body.removeEventListener(event, bootstrap));
             }
         };
diff --git a/client/src/app/components/rdio-scanner/rdio-scanner.ts b/client/src/app/components/rdio-scanner/rdio-scanner.ts
index 89a6b71..94c935b 100644
--- a/client/src/app/components/rdio-scanner/rdio-scanner.ts
+++ b/client/src/app/components/rdio-scanner/rdio-scanner.ts
@@ -25,6 +25,19 @@ export interface RdioScannerAvoidOptions {
     status?: boolean;
 }
 
+export interface RdioScannerBeep {
+    begin: number;
+    end: number;
+    frequency: number;
+    type: OscillatorType;
+}
+
+export enum RdioScannerBeepStyle {
+    Activate = 'activate',
+    Deactivate = 'deactivate',
+    Denied = 'denied',
+}
+
 export interface RdioScannerCall {
     audio?: {
         type: 'Buffer';
@@ -59,9 +72,9 @@ export interface RdioScannerCallSource {
 
 export interface RdioScannerConfig {
     allowDownload: boolean;
-    keyBeep: boolean;
+    keypadBeeps: RdioScannerKeypadBeeps | false;
     systems: RdioScannerSystem[];
-    useDimmer: boolean;
+    useDimmer: boolean | number;
     useGroup: boolean;
     useLed: boolean;
 }
@@ -92,6 +105,12 @@ export interface RdioScannerGroup {
     status: RdioScannerGroupStatus;
 }
 
+export interface RdioScannerKeypadBeeps {
+    [RdioScannerBeepStyle.Activate]: RdioScannerBeep[];
+    [RdioScannerBeepStyle.Deactivate]: RdioScannerBeep[];
+    [RdioScannerBeepStyle.Denied]: RdioScannerBeep[];
+}
+
 export interface RdioScannerList {
     count: number;
     dateStart: Date;
diff --git a/docs/config.md b/docs/config.md
index 3f037a4..ab490a7 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -63,16 +63,18 @@ This file is at the heart of [Rdio Scanner](https://github.com/chuot/rdio-scanne
             "disableAudioConversion": false,
 
             // (boolean) Emit beeps when clicking buttons
-            // Default value is true
-            "keyBeep": true,
+            // Default value is true which is converted to Uniden style beeps
+            // See KeypadBeeps section below for more details
+            "keypadBeeps": true,
 
             // (number) Clear the database for audio files older than the specified number of days
             // Default value is 7
             // Specifying a value of 0 will disable this feature
             "pruneDays": 7
 
-            // (boolean) Turn off the screen backlight when it is inactive
-            // Default value is true
+            // (boolean | number) Turn off the screen backlight when it is inactive
+            // You can specify the delay as a number of seconds
+            // Default value is true which the same as 5 seconds
             "useDimmer": true
 
             // (boolean) Also toggle talkgroups based on their group assignment
@@ -494,6 +496,133 @@ Default value is an empty array `[]` .
 
 > Note in this example for API key `d2079382-07df-4aa9-8940-8fb9e4ef5f2e` that systems 12, 15 and 31 will downstream all of their talkgroups, unlike systems 11 and 21 which will only downstream some of their talkgroups.
 
+## KeypadBeeps - rdioScanner.options.keypadBeeps
+
+Each button press can emit a specific beep depending on whether a function is activated, deactivated or denied.
+
+**Structure of the rdioScanner.options.keypadBeeps object**
+
+``` typescript
+options: {
+  keypadBeeps: false | {
+    activate: {          // beeps sequence when a function is activated
+      begin: number;     // seconds
+      end: number;       // seconds
+      frequency: number; // hertz
+      type: 'sine' | 'square' | 'sawtooth' | 'triangle';
+    }[],
+    deactivate: {        // beeps sequence when a function is deactivates
+      begin: number;     // seconds
+      end: number;       // seconds
+      frequency: number; // hertz
+      type: 'sine' | 'square' | 'sawtooth' | 'triangle';
+    }[],
+    denied: {            // beeps sequence when a function is denied
+      begin: number;     // seconds
+      end: number;       // seconds
+      frequency: number; // hertz
+      type: 'sine' | 'square' | 'sawtooth' | 'triangle';
+    }[],
+  };
+}[]
+```
+
+Default value is (*Uniden Style*):
+
+``` json
+"options": {
+  "keypadBeeps": {
+    "activate": [
+      {
+        "begin": 0,
+        "end": 0.05,
+        "frequency": 1200,
+        "type": "square"
+      }
+    ],
+    "deactivate": [
+      {
+        "begin": 0,
+        "end": 0.1,
+        "frequency": 1200,
+        "type": "square"
+      },
+      {
+        "begin": 0.1,
+        "end": 0.2,
+        "frequency": 925,
+        "type": "square"
+      }
+    ],
+    "denied": [
+      {
+        "begin": 0,
+        "end": 0.05,
+        "frequency": 925,
+        "type": "square"
+      },
+      {
+        "begin": 0.1,
+        "end": 0.15,
+        "frequency": 925,
+        "type": "square"
+      }
+    ]
+  }
+}
+```
+
+**Example - Whistler style**
+
+``` json
+"options": {
+  "keypadBeeps": {
+    "activate": [
+      {
+        "begin": 0,
+        "end": 0.05,
+        "frequency": 2000,
+        "type": "triangle"
+      }
+    ],
+    "deactivate": [
+      {
+        "begin": 0,
+        "end": 0.04,
+        "frequency": 1500,
+        "type": "triangle"
+      },
+      {
+        "begin": 0.04,
+        "end": 0.08,
+        "frequency": 1400,
+        "type": "triangle"
+      }
+    ],
+    "denied": [
+      {
+        "begin": 0,
+        "end": 0.04,
+        "frequency": 1400,
+        "type": "triangle"
+      },
+      {
+        "begin": 0.05,
+        "end": 0.09,
+        "frequency": 1400,
+        "type": "triangle"
+      },
+      {
+        "begin": 0.1,
+        "end": 0.14,
+        "frequency": 1400,
+        "type": "triangle"
+      }
+    ]
+  }
+}
+```
+
 ## Systems - rdioScanner.systems
 
 The heart of [Rdio Scanner](https://github.com/chuot/rdio-scanner) where all your systems and talkgroups are defined. Audio files to unknown systems / talkgroups will not be ingested.
diff --git a/package.json b/package.json
index 6cf4749..dfb341e 100644
--- a/package.json
+++ b/package.json
@@ -11,5 +11,5 @@
         "start": "node run",
         "update": "node update"
     },
-    "version": "4.5.1"
+    "version": "4.5.2"
 }
diff --git a/server/.eslintrc.json b/server/.eslintrc.json
index d097bf7..5ec2405 100644
--- a/server/.eslintrc.json
+++ b/server/.eslintrc.json
@@ -13,5 +13,11 @@
         "ecmaVersion": 2018
     },
     "rules": {
+        "max-len": [
+            "error",
+            {
+                "code":140 
+            }
+        ]
     }
 }
\ No newline at end of file
diff --git a/server/lib/rdio-scanner/controller.js b/server/lib/rdio-scanner/controller.js
index 9488fb4..b9bc189 100644
--- a/server/lib/rdio-scanner/controller.js
+++ b/server/lib/rdio-scanner/controller.js
@@ -49,137 +49,7 @@ class Controller extends EventEmitter {
 
         this.setMaxListeners(0);
 
-        this.config = ctx.config;
-
-        this.config.access = this.config.access !== undefined ? this.config.access : null;
-
-        this.config.apiKeys = this.config.apiKeys !== undefined ? this.config.apiKeys : uuid.v4();
-
-        if (this.config.options === null || typeof this.config.options !== 'object') {
-            this.config.options = {};
-        }
-
-        this.config.options.allowDownload = typeof this.config.options.allowDownload === 'boolean' ? this.config.options.allowDownload
-            : typeof this.config.allowDownload === 'boolean' ? this.config.allowDownload : true;
-
-        if (this.config.allowDownload !== null || this.config.allowDownload !== undefined) {
-            delete this.config.allowDownload;
-        }
-
-        this.config.options.disableAudioConversion = typeof this.config.options.disableAudioConversion === 'boolean' ? this.config.options.disableAudioConversion
-            : typeof this.config.disableAudioConversion === 'boolean' ? this.config.disableAudioConversion : false;
-
-        if (this.config.disableAudioConversion !== null || this.config.disableAudioConversion !== undefined) {
-            delete this.config.disableAudioConversion;
-        }
-
-        this.config.options.keyBeep = typeof this.config.options.keyBeep === 'boolean' ? this.config.options.keyBeep : true;
-
-        this.config.options.pruneDays = typeof this.config.options.pruneDays === 'number' ? this.config.options.pruneDays
-            : typeof this.config.pruneDays === 'number' ? this.config.pruneDays : 7;
-
-        if (this.config.pruneDays !== null || this.config.pruneDays !== undefined) {
-            delete this.config.pruneDays;
-        }
-
-        this.config.options.useDimmer = typeof this.config.options.useDimmer === 'boolean' ? this.config.options.useDimmer
-            : typeof this.config.useDimmer === 'boolean' ? this.config.useDimmer : true;
-
-        if (this.config.useDimmer !== null || this.config.useDimmer !== undefined) {
-            delete this.config.useDimmer;
-        }
-
-        this.config.options.useGroup = typeof this.config.options.useGroup === 'boolean' ? this.config.options.useGroup
-            : typeof this.config.useGroup === 'boolean' ? this.config.useGroup : true;
-
-        if (this.config.useGroup !== null || this.config.useGroup !== undefined) {
-            delete this.config.useGroup;
-        }
-
-        this.config.options.useLed = typeof this.config.options.useLed === 'boolean' ? this.config.options.useLed
-            : typeof this.config.useLed === 'boolean' ? this.config.useLed : true;
-
-        if (this.config.useLed !== null || this.config.useLed !== undefined) {
-            delete this.config.useLed;
-        }
-
-        this.config.systems = Array.isArray(this.config.systems) ? this.config.systems : systemsDefault;
-
-        this.config.systems.forEach((system) => {
-            if (system === null || typeof system !== 'object') {
-                console.error(`Config: Unknown system definition: ${JSON.stringify(system)}`);
-
-                return;
-            }
-
-            if (typeof system.id !== 'number') {
-                console.error(`Config: System.id ${JSON.stringify(system.id)} not a number`);
-            }
-
-            if (typeof system.label !== 'string' || !system.label.length) {
-                console.error(`Config: System ${system.id}, label not a string: ${JSON.stringify(system.label)}`);
-            }
-
-            if (!Array.isArray(system.talkgroups)) {
-                system.talkgroups = [];
-            }
-
-            if (!system.talkgroups.length) {
-                console.error(`Config: System ${system.id}, no talkgroups`);
-            }
-
-            system.talkgroups.forEach((talkgroup) => {
-                if (talkgroup === null || typeof talkgroup !== 'object') {
-                    console.error(`Config: System ${system.id}, unknown talkgroup definition: ${JSON.stringify(talkgroup)}`);
-
-                    return;
-                }
-
-                if (typeof talkgroup.id !== 'number') {
-                    console.error(`Config: System ${system.id}, talkgroup.id not a number: ${JSON.stringify(talkgroup.id)}`);
-                }
-
-                if (this.config.useGroup && typeof talkgroup.group !== 'string' || !talkgroup.group.length) {
-                    console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, group not a string: ${JSON.stringify(talkgroup.group)}`);
-                }
-
-                if (typeof talkgroup.label !== 'string' || !talkgroup.label.length) {
-                    console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, label not a string: ${JSON.stringify(talkgroup.label)}`);
-                }
-
-                if (typeof talkgroup.name !== 'string' || !talkgroup.name.length) {
-                    console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, name not a string: ${JSON.stringify(talkgroup.name)}`);
-                }
-
-                if (talkgroup.patches !== undefined && !Array.isArray(talkgroup.patches)) {
-                    console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, patches not an array: ${JSON.stringify(talkgroup.patches)}`);
-                }
-
-                if (typeof talkgroup.tag !== 'string' || !talkgroup.tag.length) {
-                    console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, tag not a string: ${JSON.stringify(talkgroup.tag)}`);
-                }
-            });
-
-            if (!Array.isArray(system.units)) {
-                system.units = [];
-            }
-
-            system.units.forEach((unit) => {
-                if (unit === null || typeof unit !== 'object') {
-                    console.error(`Config: System ${system.id}, unknown unit definition: ${JSON.stringify(unit)}`);
-
-                    return;
-                }
-
-                if (typeof unit.id !== 'number') {
-                    console.error(`Config: System ${system.id}, unit.id not a number: ${JSON.stringify(unit.id)}`);
-                }
-
-                if (typeof unit.label !== 'string' || !unit.label.length) {
-                    console.error(`Config: System ${system.id}, unit ${unit.id}, label not a string: ${JSON.stringify(unit.label)}`);
-                }
-            });
-        })
+        this.config = parseConfig(ctx.config);
 
         this.models = ctx.models;
 
@@ -384,7 +254,7 @@ class Controller extends EventEmitter {
 
     getOptions() {
         return {
-            keyBeep: this.config.options.keyBeep,
+            keypadBeeps: this.config.options.keypadBeeps,
             useDimmer: this.config.options.useDimmer,
             useGroup: this.config.options.useGroup,
             useLed: this.config.options.useLed,
@@ -481,7 +351,8 @@ class Controller extends EventEmitter {
                 },
             });
 
-            return systems.map((system) => (system.talkgroups = system.talkgroups.filter((tg) => scope[system.id].includes(tg.id))) && system);
+            return systems.map((system) => (system.talkgroups = system.talkgroups
+                .filter((tg) => scope[system.id].includes(tg.id))) && system);
 
         } else {
             const systems = await this.models.system.findAll();
@@ -508,7 +379,8 @@ class Controller extends EventEmitter {
         }) : null;
 
         if (!system || !talkgroup) {
-            console.log(`NewCall: system=${call.system || 'unknown'} talkgroup=${call.talkgroup || 'unknown'} file=${call.audioName} No matching system/talkgroup`);
+            console.log(`NewCall: system=${call.system || 'unknown'} talkgroup=${call.talkgroup || 'unknown'} `
+                + `file=${call.audioName} No matching system/talkgroup`);
 
             return;
         }
@@ -702,4 +574,226 @@ class Controller extends EventEmitter {
     }
 }
 
+function parseConfig(config) {
+    const ledColors = ['blue', 'cyan', 'green', 'magenta', 'red', 'white', 'yellow']
+
+    const oscillatorNodeType = ['sine', 'square', 'sawtooth', 'triangle'];
+
+    config.access = config.access !== undefined ? config.access : null;
+
+    config.apiKeys = config.apiKeys !== undefined ? config.apiKeys : uuid.v4();
+
+    if (config.options === null || typeof config.options !== 'object') {
+        config.options = {};
+    }
+
+    config.options.allowDownload = typeof config.options.allowDownload === 'boolean' ? config.options.allowDownload
+        : typeof config.allowDownload === 'boolean' ? config.allowDownload : true;
+
+    if (config.allowDownload !== null || config.allowDownload !== undefined) {
+        delete config.allowDownload;
+    }
+
+    config.options.disableAudioConversion = typeof config.options.disableAudioConversion === 'boolean'
+        ? config.options.disableAudioConversion : typeof config.disableAudioConversion === 'boolean'
+            ? config.disableAudioConversion : false;
+
+    if (config.disableAudioConversion !== null || config.disableAudioConversion !== undefined) {
+        delete config.disableAudioConversion;
+    }
+
+    config.options.keypadBeeps = config.options.keypadBeeps === false ? false : config.options.keyBeep === false
+        ? false : config.options.keypadBeeps !== null && typeof config.options.keypadBeeps === 'object'
+            ? config.options.keypadBeeps : {};
+
+    if (config.options.keyBeep !== undefined) {
+        delete config.options.keyBeep;
+    }
+
+    if (typeof config.options.keypadBeeps === 'object') {
+        if (Array.isArray(config.options.keypadBeeps.activate)) {
+            config.options.keypadBeeps.activate.forEach((beep, index) => {
+                beep.begin = typeof beep.begin === 'number' ? beep.begin : index * 0.05;
+                beep.end = typeof beep.end === 'number' ? beep.end : index * 0.05 + 0.05;
+                beep.frequency = typeof beep.frequency === 'number' ? beep.frequency : 1200;
+                beep.type = oscillatorNodeType.includes(beep.type) ? beep.type : 'square';
+            });
+
+        } else {
+            config.options.keypadBeeps.activate = [{
+                begin: 0,
+                end: 0.05,
+                frequency: 1200,
+                type: 'square',
+            }];
+
+        }
+
+        if (Array.isArray(config.options.keypadBeeps.deactivate)) {
+            config.options.keypadBeeps.deactivate.forEach((beep, index) => {
+                beep.begin = typeof beep.begin === 'number' ? beep.begin : index * 0.1;
+                beep.end = typeof beep.end === 'number' ? beep.end : index * 0.1 + 0.1;
+                beep.frequency = typeof beep.frequency === 'number' ? beep.frequency : 925;
+                beep.type = oscillatorNodeType.includes(beep.type) ? beep.type : 'square';
+            });
+
+        } else {
+            config.options.keypadBeeps.deactivate = [{
+                begin: 0,
+                end: 0.1,
+                frequency: 1200,
+                type: 'square',
+            }, {
+                begin: 0.1,
+                end: 0.2,
+                frequency: 925,
+                type: 'square',
+            }];
+        }
+
+        if (Array.isArray(config.options.keypadBeeps.denied)) {
+            config.options.keypadBeeps.denied.forEach((beep, index) => {
+                beep.begin = typeof beep.begin === 'number' ? beep.begin : index * 0.1;
+                beep.end = typeof beep.end === 'number' ? beep.end : index * 0.1 + 0.05;
+                beep.frequency = typeof beep.frequency === 'number' ? beep.frequency : 925;
+                beep.type = oscillatorNodeType.includes(beep.type) ? beep.type : 'square';
+            });
+
+        } else {
+            config.options.keypadBeeps.denied = [{
+                begin: 0,
+                end: 0.05,
+                frequency: 925,
+                type: 'square',
+            }, {
+                begin: 0.1,
+                end: 0.15,
+                frequency: 925,
+                type: 'square',
+            }];
+        }
+    }
+
+    config.options.pruneDays = typeof config.options.pruneDays === 'number' ? config.options.pruneDays
+        : typeof config.pruneDays === 'number' ? config.pruneDays : 7;
+
+    if (config.pruneDays !== null || config.pruneDays !== undefined) {
+        delete config.pruneDays;
+    }
+
+    config.options.useDimmer = typeof config.options.useDimmer === 'number' ? config.options.useDimmer
+        : typeof config.options.useDimmer === 'boolean' ? config.options.useDimmer
+            : typeof config.useDimmer === 'boolean' ? config.useDimmer : true;
+
+    if (config.useDimmer !== null || config.useDimmer !== undefined) {
+        delete config.useDimmer;
+    }
+
+    config.options.useGroup = typeof config.options.useGroup === 'boolean' ? config.options.useGroup
+        : typeof config.useGroup === 'boolean' ? config.useGroup : true;
+
+    if (config.useGroup !== null || config.useGroup !== undefined) {
+        delete config.useGroup;
+    }
+
+    config.options.useLed = typeof config.options.useLed === 'boolean' ? config.options.useLed
+        : typeof config.useLed === 'boolean' ? config.useLed : true;
+
+    if (config.useLed !== null || config.useLed !== undefined) {
+        delete config.useLed;
+    }
+
+    config.systems = Array.isArray(config.systems) ? config.systems : systemsDefault;
+
+    config.systems.forEach((system) => {
+        if (system === null || typeof system !== 'object') {
+            console.error(`Config: Unknown system definition: ${JSON.stringify(system)}`);
+
+            return;
+        }
+
+        if (typeof system.id !== 'number') {
+            console.error(`Config: System.id ${JSON.stringify(system.id)} not a number`);
+        }
+
+        if (typeof system.label !== 'string' || !system.label.length) {
+            console.error(`Config: System ${system.id}, label not a string: ${JSON.stringify(system.label)}`);
+        }
+
+        if (typeof system.led !== 'undefined') {
+            system.led = ledColors.includes(system.led) ? system.led : 'green';
+        }
+
+        if (!Array.isArray(system.talkgroups)) {
+            system.talkgroups = [];
+        }
+
+        if (!system.talkgroups.length) {
+            console.error(`Config: System ${system.id}, no talkgroups`);
+        }
+
+        system.talkgroups.forEach((talkgroup) => {
+            if (talkgroup === null || typeof talkgroup !== 'object') {
+                console.error(`Config: System ${system.id}, unknown talkgroup definition: ${JSON.stringify(talkgroup)}`);
+
+                return;
+            }
+
+            if (typeof talkgroup.id !== 'number') {
+                console.error(`Config: System ${system.id}, talkgroup.id not a number: ${JSON.stringify(talkgroup.id)}`);
+            }
+
+            if (config.useGroup && typeof talkgroup.group !== 'string' || !talkgroup.group.length) {
+                console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, `
+                    + `group not a string: ${JSON.stringify(talkgroup.group)}`);
+            }
+
+            if (typeof talkgroup.label !== 'string' || !talkgroup.label.length) {
+                console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, `
+                    + `label not a string: ${JSON.stringify(talkgroup.label)}`);
+            }
+
+            if (typeof talkgroup.led !== 'undefined') {
+                talkgroup.led = ledColors.includes(talkgroup.led) ? talkgroup.led : 'green';
+            }
+
+            if (typeof talkgroup.name !== 'string' || !talkgroup.name.length) {
+                console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, `
+                    + `name not a string: ${JSON.stringify(talkgroup.name)}`);
+            }
+
+            if (talkgroup.patches !== undefined && !Array.isArray(talkgroup.patches)) {
+                console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, `
+                    + `patches not an array: ${JSON.stringify(talkgroup.patches)}`);
+            }
+
+            if (typeof talkgroup.tag !== 'string' || !talkgroup.tag.length) {
+                console.error(`Config: System ${system.id}, talkgroup ${talkgroup.id}, tag not a string: ${JSON.stringify(talkgroup.tag)}`);
+            }
+        });
+
+        if (!Array.isArray(system.units)) {
+            system.units = [];
+        }
+
+        system.units.forEach((unit) => {
+            if (unit === null || typeof unit !== 'object') {
+                console.error(`Config: System ${system.id}, unknown unit definition: ${JSON.stringify(unit)}`);
+
+                return;
+            }
+
+            if (typeof unit.id !== 'number') {
+                console.error(`Config: System ${system.id}, unit.id not a number: ${JSON.stringify(unit.id)}`);
+            }
+
+            if (typeof unit.label !== 'string' || !unit.label.length) {
+                console.error(`Config: System ${system.id}, unit ${unit.id}, label not a string: ${JSON.stringify(unit.label)}`);
+            }
+        });
+    });
+
+    return config;
+}
+
 module.exports = Controller;
diff --git a/server/package-lock.json b/server/package-lock.json
index 21c0a10..c3388ad 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "rdio-scanner-server",
-    "version": "4.5.1",
+    "version": "4.5.2",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/server/package.json b/server/package.json
index ebf9384..91ba00c 100644
--- a/server/package.json
+++ b/server/package.json
@@ -39,5 +39,5 @@
         "build": "webpack",
         "start": "nodemon"
     },
-    "version": "4.5.1"
+    "version": "4.5.2"
 }