diff --git a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
index 56aff13..bcef509 100644
--- a/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
+++ b/app/src/main/java/com/example/hpostesting/data/constant/Constants.kt
@@ -61,6 +61,8 @@ object Constants {
         "HC-V1-018",
         "HC-V1-019",
         "HC-V1-020",
+        "HCV-000-3001",
+        "HCV-000-3002",
     )
 
     const val password = "SMI@12345"
diff --git a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
index ffe65e8..46bd65c 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/hemocube/HemoCubeFragment.kt
@@ -291,13 +291,11 @@ class HemoCubeFragment : Fragment() {
                 activity?.runOnUiThread {
                     binding.btnPlacebuffer.visibility = View.VISIBLE
                 }
-                hemoCubeViewModel.messages.postValue("Start Buffer")
+                hemoCubeViewModel.messages.postValue("Start")
             }
 
             stringData.contains("#BS") -> {
-                activity?.runOnUiThread {
-                    binding.tvSubtitle4.text = "Buffer Started"
-                }
+                hemoCubeViewModel.messages.postValue("Buffer Started")
             }
 
             stringData.contains("#BC") -> {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f75c24f..5f1e0da 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -113,7 +113,7 @@
     <string name="sickle_find">Sickle Find</string>
     <string name="submit">Submit</string>
     <string name="diagnostics">Device Diagnostics</string>
-    <string name="place_buffer">Start Buffer</string>
+    <string name="place_buffer">Start</string>
     <string name="Start_Sample">Start Sample</string>
     <string name="new_kit">New Kit</string>
     <string name="new_buffer">New Buffer</string>