diff --git a/src/lpf2hub.ts b/src/lpf2hub.ts
index 35c7f0f..8117c22 100644
--- a/src/lpf2hub.ts
+++ b/src/lpf2hub.ts
@@ -20,6 +20,8 @@ export class LPF2Hub extends Hub {
         return [t[0], t[1], t.substring(2, 4), t.substring(4)].join(".");
     }
 
+    public static sendPortInformationRequests: boolean = false;
+
     protected _ledPort: number = 0x32;
 
     private _lastTiltX: number = 0;
@@ -263,12 +265,15 @@ export class LPF2Hub extends Hub {
 
     }
 
-
     private _parsePortMessage (data: Buffer) {
 
         let port = this._getPortForPortNumber(data[3]);
 
+<<<<<<< HEAD
         if (data[4] === 0x01 && process.env["PORT_DEBUG_INFO"]) {
+=======
+        if (data[4] === 0x01 && LPF2Hub.sendPortInformationRequests) {
+>>>>>>> 1fa0f4a... Extended port information requests
             this._sendPortInformationRequest(data[3]);
         }
 
@@ -301,11 +306,20 @@ export class LPF2Hub extends Hub {
 
     private _sendPortInformationRequest (port: number) {
         this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x21, port, 0x01]));
+        this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x21, port, 0x02])); // Mode combinations
     }
 
 
     private _parsePortInformationResponse (data: Buffer) {
         const port = data[3];
+        if (data[4] === 2) {
+            const modeCombinationMasks: number[] = [];
+            for (let i = 5; i < data.length; i += 2) {
+                modeCombinationMasks.push(data.readUInt16LE(i));
+            }
+            modeInfoDebug(`Port ${port}, mode combinations [${modeCombinationMasks.map((c) => c.toString(2)).join(", ")}]`);
+            return;
+        }
         const count = data[6];
         const input = data.readUInt16LE(7);
         const output = data.readUInt16LE(9);
@@ -317,6 +331,7 @@ export class LPF2Hub extends Hub {
             this._sendModeInformationRequest(port, i, 0x02); // PCT Range
             this._sendModeInformationRequest(port, i, 0x03); // SI Range
             this._sendModeInformationRequest(port, i, 0x04); // SI Symbol
+            this._sendModeInformationRequest(port, i, 0x80); // Value Format
         }
     }
 
@@ -346,6 +361,12 @@ export class LPF2Hub extends Hub {
             case 0x04: // SI Symbol
                 modeInfoDebug(`Port ${port}, mode ${mode}, SI symbol ${data.slice(6, data.length).toString()}`);
                 break;
+            case 0x80: // Value Format
+                const numValues = data[6];
+                const dataType = ["8bit", "16bit", "32bit", "float"][data[7]];
+                const totalFigures = data[8];
+                const decimals = data[9];
+                modeInfoDebug(`Port ${port}, mode ${mode}, Value ${numValues} x ${dataType}, Decimal format ${totalFigures}.${decimals}`);
         }
     }