Antenna Tuning (Atu) - XIEGU G90 Operating Instructions Manual

Automatic Antenna Tuner (ATU)
The G90 is equipped with an efficient integrated automatic
antenna tuner (ATU) that can help you quickly match your
antenna to the desired frequency.

Briefly press the [TUNE] button to activate the ATU.
"TUNE" will be displayed at the top of the screen;

Press the [TUNE] button for 1 second and tuning will
begin. The radio will automatically revert to receive
status once tuning is complete.

If the flashing "SWR" icon appears on the display, the inbuilt ATU has not been able to match the antenna. Stop transmitting
immediately and either tune the antenna manually or connect a different antenna.

If your antenna is resonant on the frequency you are using, turn off the ATU.

When using a whip antenna, activating the ATU can result in RF interference to other electronic devices nearby.
20
Tune