What is VTX Table? can we make it by ourselve?

For those who are flying Quad, must be familiar with the term ‘VTX Table’, VTX table is actually a set of script that used by betaflight to set VTX’s parameters such as Bands, Channels/Frequencies, VTX Power Levels, etc

those feature only supported by VTX’s which support IRC Tramp Telemetry or TBS’s Smart Audio. (shown on the vtx board by Data/smartaudio pad/pin)

to enable this feature, you need to check first on your flight controller, look for a spare UART pin/pad, the pin we will use is T pin (TX Pin, you can choose 2/3/4/5/6 depending on your board feature)

Okay then, lets see, how to make our own VTX Table.

1. You need to know first your VTX’s detailed specification (how many bands, channels, how many power levels).
   let say, this is your VTX’s specification, it has:
   – 3 bands (A, B, F)
   – 8 Frequencies
   – 3 Power Level (25mw, 50mw, 100mw)
2. Open your notepad, and start typing this command

vtxtable bands 3
vtxtable channels 8
vtxtable band 1 BOSCAM_A A FACTORY 5865 5845 5825 5805 5785 5765 5745 5725
vtxtable band 2 BOSCAM_B B FACTORY 5733 5752 5771 5790 5809 5828 5847 5866
vtxtable band 3 FATSHARK F FACTORY 5740 5760 5780 5800 5820 5840 5860 5880
vtxtable powerlevels 3
vtxtable powervalues 25 50 100
vtxtable powerlabels 25 50 100

Thats it, just save it and then keep it in your save folder.

Later in betaflight, do is as follows:

1. Ensure what UART Pad will be used in your FC, after connecting all of the cable needed to the VTX
   GND -> Negative pole in the quad/negative pole of the battery
   
   V -> Positive pole in the quad/positive pole of the battery (please check and re-check, what is your VTX’s voltage capable of, some of VTX only accept 5V, others may accept to 25V (6S voltage)
   
   Video in -> Video signal from the FPV Camera (if you want to use directly without FC), or the Video out from the Flight Controller)
   
   Data/RC -> TX signal from Flight Controller’s TX’s UART
   
2. Connect your Battery to the quad (please check and re check that you already install the antenna on the VTX)
3. Connect your USB cable to your Quad
4. Open Betaflight Configurator
5. Go to CLI Tab,
6. Copy all of the script on the notepad/file that you have save earlier,
7. Paste it on the text input on the CLI Tab.
8. Press ‘enter’
9. type ‘save’
10. if you did it correctly, Betaflight configurator will back to the main page (page that shown when we open Betaflight Configurator for the first time)
11. after you reconnect to your quad to Betaflight Configurator, just go to the Video Transmitter tab in Betaflight to check whether your setting already applied or not.