User Guide 701U After powering up, the red & blue LEDs will signal the fllowing two items of VTX in tum: channel and band. (The flashing times of the red and blue LEDs indicate the item and the value respectively. After that, the LEDs indicate the working modes : thered &blue LED areon.) Step 1: Press and hold the button until the red LED flash 1 time which means the item of channel selecting, then press. he buttoncan select the channels( blueLEDflashing times corresponds to the channel1-8) . Step 2 : Press and hold the button again, the red LED will flash 2 times which means the item of band selecting, then press the button can select the band ( blue LED flashing times corresponds to the band A to F) Step 3: Press and hold the button again, the red LED will flash 3 times which means the item of image flip selecting, then press the button can select the vertical picture reversal . Step 4: Press and hold the button to save and the ETX (this is required.) Description: Item Name: FPV Camera Model: 701u Type: Copper Tube Antenna Working Current: 220mA Size:13.5x15.9x17.2mm Working Voltag:5V (2.5-5.5V) Adjustment Methoud:Use the Button Power:25mW Channel: 48CH Camera:120° Wide-Angle Camera Video: PAL Resolution: 600TVL Image FlipS:Support Focal Length: F=1.4mm Weight: 3.6g Package Included: 1x camera Note: 1. Make sure that there is enough space for airflow when insaling the module on the drone once the overheating protection starts to reduce the power even to shut down at the worst. 2. Please install the antenna before powering up for a longer use life. 3. The lens of this product is a little exposed, which is normal.