diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
index c45887b..2ebb4f9 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
@@ -181,7 +181,7 @@ fun PiezoMonitoringView(appState: AppState) {
         }
         bleManager.piezoCollector.onLog = { msg -> Log.d("PiezoCollector", msg) }
 
-        bleManager.sendFullMeasurement()
+        bleManager.sendChannelsOnly()
 
         // Timeout with auto-retry (15s)
         handler.postDelayed({
@@ -190,7 +190,7 @@ fun PiezoMonitoringView(appState: AppState) {
                 measureRetryCount++
                 Log.w("PiezoMonitor", "Timeout — auto-retry $measureRetryCount/$maxMeasureRetries")
                 bleManager.piezoCollector.reset()
-                bleManager.sendFullMeasurement()
+                bleManager.sendChannelsOnly()
                 // Second timeout for retry
                 handler.postDelayed({
                     if (!isMeasuring) return@postDelayed