VTX_ parameters

7 parameters in the VTX_ family. ArduCopter 4.7 only — other vehicles share many of these names but not always the same ranges or meanings.

VTX_BAND

Video Transmitter Band

Video Transmitter Band

User level

Standard

Values

Value	Meaning
0	Band A
1	Band B
2	Band E
3	Airwave
4	RaceBand
5	Low RaceBand
6	1G3 Band A
7	1G3 Band B
8	Band X
9	3G3 Band A
10	3G3 Band B

VTX_CHANNEL

Video Transmitter Channel

Video Transmitter Channel

Range	0 to 7
User level	Standard

VTX_ENABLE

Is the Video Transmitter enabled or not

Toggles the Video Transmitter on and off

Values

Value	Meaning
0	Disable
1	Enable

VTX_FREQ

Video Transmitter Frequency

Video Transmitter Frequency. The frequency is derived from the setting of BAND and CHANNEL

Range	1000 to 6000
Read only	Yes
User level	Standard

VTX_MAX_POWER

Video Transmitter Max Power Level

Video Transmitter Maximum Power Level. Different VTXs support different power levels, this prevents the power aux switch from requesting too high a power level. The switch supports 6 power levels and the selected power will be a subdivision between 0 and this setting.

Range

25 to 1000

VTX_OPTIONS

Video Transmitter Options

Video Transmitter Options. Pitmode puts the VTX in a low power state. Unlocked enables certain restricted frequencies and power levels. Do not enable the Unlocked option unless you have appropriate permissions in your jurisdiction to transmit at high power levels. One stop-bit may be required for VTXs that erroneously mimic iNav behaviour.

User level

Advanced

Bitmask

Value	Meaning
0	Pitmode
1	Pitmode until armed
2	Pitmode when disarmed
3	Unlocked
4	Add leading zero byte to requests
5	Use 1 stop-bit in SmartAudio
6	Ignore CRC in SmartAudio
7	Ignore status updates in CRSF and blindly set VTX options

VTX_POWER

Video Transmitter Power Level

Video Transmitter Power Level. Different VTXs support different power levels, the power level chosen will be rounded down to the nearest supported power level

Range

1 to 1000