Currently Being ModeratedNov 1, 2012 10:16 AM (in response to Cubillas)Re: How can I know what version my Relay G90 is?
First ... I would say that it doesn't need to be upgraded unless you need it to work simultaneously with a V75 running in RF2 mode.
If it doesn't show automatically in the LCD window when you first turn on the transmitter then it have a version of System 1 firmware. In this case press both buttons on the transmitter when you power on the transmitter.
To check the receiver, press and hold the encoder knob when powering up.