try push and hold the button
MENU
enter default password
1234
this should open up the menu to change your settings etc

BITE is not of much use, need to be in usb mode and not on some bands before
doing it, or it gives false readings.
depending on firmeware versions and hardware versions there are heaps of
software bugs and hardware fixups that can be done.
some firmware is incompatable with some board versions, a real dogs
breakfast in my opinoin.