diff --git a/app/src/main/java/com/laseroptek/raman/data/model/serial/HandPiece.kt b/app/src/main/java/com/laseroptek/raman/data/model/serial/HandPiece.kt
index d04555a..ab8568d 100644
--- a/app/src/main/java/com/laseroptek/raman/data/model/serial/HandPiece.kt
+++ b/app/src/main/java/com/laseroptek/raman/data/model/serial/HandPiece.kt
@@ -1,5 +1,5 @@
 package com.laseroptek.raman.data.model.serial
 
 data class HandPiece(
-    val type:Int = 1  // ascii (00 ~ 99)
+    val type:Int = 0  // ascii (00 ~ 99)
 )