600mW5.8G VTX 48CH Main Features 600mW/OFF(Pitmode) 600mw version Miniature and light weight design Specifications Model: EWRFTS5823 Frequency: 5.8G 40CH Transmitting Power：600mW/OFF(Pitmode) Power supply：DC 7-24V Weight：5 g Dimension：30x20x8mm User Guide 1. Setting After power on, the digital display shows the following three parameters in turn: band, channel, and frequency.Press and hold the button can be entered into the parameters setting. Press and hold the button，the digital display will shows the alphabet for band(A-b-C-d-E), press the button can select the bands. Press and hold the button again，When the digital display shows the Arabic numerals for the channel (1-8),press the button can select the channels. Finally, press and hold the button,VTX is back to normal working state and the band,channel,frequency will display in turn on the digital display. 2.Pitmode work state Press the button twice will toggle the ON/OFF of Pitmode. Pitmode work state: Press the button twice, the red dot appears on the right bottom of the digital display which means the VTX is off . Normal working state: Press the button twice again, the red dot disappear on the right bottom of the digital display which means the VTX is on，the VTX is back to normal working state. Pitmode transmits a tiny amount of power and the transmitting distance is about 2- 3 meters. Note: 1.Make sure that there is enough space for airflow when installing the module on the drone 2. Please install the antenna before powering up for a longer use life.