Rssi Testing; Connection With Tbs Crossfire Tx - RadioLink AT9S Pro Instruction Manual

1.3.6 RSSI testing

Before flight, always remember to do the RSSI testing to avoid the possible unexpected signal loss. Power
on transmitter and receiver, keep them with the distance of about 30 centimeters and both antennas
straight.
Enter the parameter setup menu by press MODE one second, you can check the RSSI in RECEIVE.
The RSSI is 0 to 30dBm is normal when the transmitter is apart about 30 centimeters from the receiver, the
signal is more better the RSSI data is more close to 0.

1.4 Connection with TBS Crossfire TX

① Power on the transmitter- Long press the Mode key to enter the BASIC MENU->Rotate the Scroll
Dial to highlight the SYSTEM option and depress the Enter key->Select the OUT and change the output as
CRSF
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