diff --git a/app/src/main/java/de/ccc/events/badge/card10/time/Card10Service.kt b/app/src/main/java/de/ccc/events/badge/card10/time/Card10Service.kt
index 8ab408f32790b97b89c234966af38e37793d2cf1..ac11aa3b23ded906ac91c7d0e7cd5fc16436e12c 100644
--- a/app/src/main/java/de/ccc/events/badge/card10/time/Card10Service.kt
+++ b/app/src/main/java/de/ccc/events/badge/card10/time/Card10Service.kt
@@ -24,6 +24,7 @@ package de.ccc.events.badge.card10.time
 
 import android.bluetooth.BluetoothGattCharacteristic
 import android.bluetooth.BluetoothGattService
+import android.util.Log
 import de.ccc.events.badge.card10.*
 import de.ccc.events.badge.card10.common.ConnectionService
 import java.nio.ByteBuffer
@@ -65,7 +66,7 @@ class Card10Service(
         personalStateCharacteristic.value = ByteArray(2)
         personalStateCharacteristic.value[1] = value.v.toByte()
         personalStateCharacteristic.value[0] = (value.v shr 8).toByte()
-        println("=== Writing personal State array : ${personalStateCharacteristic.value[0]},${personalStateCharacteristic.value[1]} ")
+        Log.d("setPersonalState","Writing personal State array : ${personalStateCharacteristic.value[0]},${personalStateCharacteristic.value[1]} ")
         ConnectionService.writeCharacteristic(personalStateCharacteristic)
     }
 }
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