Protocol Number: 39
Autobind: No
Channel Re-mapping: No
Extended Limits: Yes
Failsafe Support: No
Receiver Match: No
Telemetry: Yes
Option Value: Frequency fine tuning
Frequency tuning is required for this protocol. See the Frequency Tuning page for more details.
Notes
The radio must be close to the receiver for binding to complete successfully.
Channel Assignment
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
Sub Protocols
0 - OPT_FW
Models: Optima receivers
Full telemetry available on OpenTX 2.3.3+; still in progress for erskyTx.
Lower TX_LQI values indicate better link quality. TX_LQI is a good indicator of how well the module is tuned.
1 - OPT_HUB
Models: Optima receivers
Basic telemetry using FrSky Hub on er9x, erskyTX, OpenTX and any radio with FrSky telemetry support.
Receiver voltage
VOLT2 voltage
TX_RSSI
TX_LQI
Lower TX_LQI values indicate better link quality. TX_LQI is a good indicator of how well the module is tuned.