RadioLink RC8X Instruction Manual page 22

connects Telemetry (+-) of R8FG as below picture shown. No extra module is needed.
Once connect with success, the returned model voltage will be displayed on the
interface of returned flight information.
Note Battery connected to Telemetry port is only for 2S-6S battery voltage telemetry,
R8FG should be powered supplied by connecting to the CH2 pins on right.
Attention: Reverse polarity protection circuit design for all 8 channels of R8FG ensures vital
components are protected from a reverse polarity connection. But, the JST connector which
packed with R8FG for connect to battery cannot reverse polarity connect, or it will lead to the
wrong voltage value telemetry.
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