Function button
The G90's common functions are distributed on the various function keys. Some function keys have a second function.
When the function is selected, turn the main knob to adjust the value.
Operation of the second function:
Press the [FUNC] button at first, the "F" indicator will light, then press the corresponding function button.
Press the [FUNC] button again to exit the second function. At this time, the "F" indicator is off.
In any function (including the second function of FUNC), press the main knob inwards to exit and return to the main interface
LCD Display
22