EXFO FTB-8500 Series for FTB-500 - Manual (Page 402)

System Tabs
388 FTB-8500 Series and FTB-8120NGE/8130NGE
Remote Control
Remote Control
Press System, and Remote Control.
User Information
The User Information field allows a user to leave a message to other users
connected on the same module. Up to 80 characters are allowed.
Note: Refer to the Visual Guardian Lite user guide for more information.