Video Transmitter-VTX5848

Frequency switching :
manual adjustment ——RF button, switching frequency
   Short press, switching channel, 4 blue LED lights indicate channel
   Long press(2s), switching group, 3 green LED lights indicate group

Power switching:
POW button——power switching
 Press once, switching one power (25mW, 100mW, 200mW, 400mW, 600mW)
 600mW in default.