- This model only support Windows 8 & Windows 10 (Recommended Windows Version: Windows 10).
- Available from ARMS® POS Beta: 311 & Live: 192
Step 1: Press 
key on Keyboard.
Step 2: Click on 
icon.
Step 3: Click on 
icon.
Step 4: Click on 
icon.
Step 5: Click on 
icon.
Step 6: Click on 
icon.
Step 7: **Click on Device icon.
Step 8: Wait a moment.
Step 9: Click on Done button and Close Setting Page.
Step 10: Login into ARMS® POS
Step 11: Go to Local Settings.
Step 12: Select "Credit Card Terminal Type" with "Castle MP200"
Step 13: Select "Credit Card Terminal Name" which Device Name has paired.
Step 14: Click on Save Settings.
Step 15: Restart ARMS® POS.
**How to determine device in Bluetooth:
You can get serial number on Device Sticker which stick on behind device.(Refer Image on Above).