Protocol Number: 57 Autobind: No Channel Re-mapping: No Extended Limits: Yes Failsafe Support: Yes Receiver Match: Yes Telemetry: Yes Option Value: Frequency fine tuning
Models: Graupner HoTT receivers (tested on GR-12, GR-12L, GR-16, and Vector)
Receiver feature configuration can be performed using the OpenTX script Graupner HoTT.lua.
Basic telemetry is available on OpenTX 2.3.3+ with receiver voltage, receiver temperature, RXRSSI, RX LQI, TX RSSI and TX LQI.
Lower TX LQI values indicate better link quality. TX LQI is a good indicator of how well the module is tuned.
Recommended for best telemetry performance.
Telemetry compatibility mode which can be used when Sync does not work due to an old firmware on the RX.