PCS-Electronics

i also checked the audio volume settings in the LCD menu and the left channel still did not give any audio...

I purchased a CYBERMAXFM+ 25W FM stereo transmitter with DSP and RDS a few months ago, when i got it i only tested the output power but never really tested the audio and i shelfed the unit for a few months. i finally installed it today and noticed it has no has no left audio channel input, only the ...

I wanna upgrade my LCD firmware version from v1.4 to the current v2.3 How do i do that? Can i just replace the the ROM chip on the LCD? Or do i have to buy i new LCD? Thanks in advance