Technomate TM-5402 HD M3 (hidden menu help)
Help please
I recently purchased a Technomate TM-5402 HD M3
I am trying to access the “biss key” menu with the remote control
However when I enter 8280 it doesn’t show me the hidden biss key menu
The TM-5402 M3 has S/W version 1.10 (Feb 10 2015) with...