User manual
1
Table of Contents 
1. Greetings
●
Thank you for Purchasing COMMAX Products
●
Please carefully read this User's Manual (in particular, precautions for safety) before using a
product and follow instructions to use a product exactly. 
B-Grade
Device
Instruction for Users
Registered as an electromagnetic radiation compliant home-use prod-
uct, this unit can be installed in all locations including residential areas
1. Greetings ..........................................................................................................................1
2. Warnings and Cautions ..................................................................................................2
3. Part Names and Functions ............................................................................................4
4. 
Operation .....................................................................................................................................................
5
5. 
Installation ....................................................................................................................................................
6
6. 
Wiring and Connection Instructions
......................................................................................7
7. Extension of Monitors......................................................................................................8
8. Package Contents...........................................................................................................9
9. 
Specifications and Features
..............................................................................................10
10. Safe Operation Guide.................................................................................................11










