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Using VTX Menu (Applicable to all VTXes)
All HDZero VTXes have the following settings for its RF power level management. These settings can be
changed using the VTX menu.
CHANNEL:
All VTXes support R1-R8, E1, F1, F2 and
F4 channels. You will get an additional 8
channels L1-L8 if you unlock the low
band.
POWER:
The desired RF power level is selectable
between 25mW, 200mW (and 500mW or
MAX for certain VTXes). The actual RF
power level depends on the following
settings and FC status.
LP_MODE:
- OFF: The output RF power will be set to POWER setting.
- ON: If PIT_MODE is OFF and the aircraft is disarmed, the RF power level will be forced to 25mW
regardless of POWER setting. The output RF power will be set to POWER setting when aircraft is
armed.
- 1ST: If PIT_MODE is OFF, the RF power level will be forced to 25mW regardless of POWER setting
when aircraft is power on, The output RF power will be set to POWER setting when aircraft is armed.
(Note that after first arm, the vtx will not enter lp mode again until vbat power is reset)
PIT_MODE:
- OFF: The output RF power will be set to POWER setting.
- P1MW: The output RF power will be 0.1mW (in order to not interfere with other pilots) in this
mode. If the aircraft is armed, RF output power will be automatically set to the POWER within
seconds.
- 0MW: There will be zero RF output in this mode. If aircraft is armed, RF output power will be
automatically set to POWER within seconds.
(Note that after first arm, the vtx will not enter pit mode again until vbat power is reset)
OFFSET_25MW:
It is to fine tune the RF output power to be exactly 25mW. The range is [-10:10], and step size is about
0.3dB per step.
TEAM_RACE:
- OFF: The RF power of VTXs after power-on is determined by other settings.
- MODE1: VTX RF remains off (0mW) after power-up, and exits 0mW under the following conditions:
1. Aircraft is armed. 2. Exit 0mw mode through stick command. 3. Configure VTX power to non-0mW
through FC UART or SmartAudio. If the UART communication between VTX and FC is disconnected,
VTX will turn off the RF until UART communication is restored and repower the VTX.
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