253. Use “Dec(-)” or “Inc(+)” button to select ST channel, press “Enter” key,and theinitial value of ST will blink. Use “Dec(-)” or “Inc(+)” button to adjust the center.(Note: In the interface of adjusting the value, return to the initial value"0"bypressing“Dec(-)” and “Inc(+)” buttons simultaneously for about 1 second.)4.Press “Enter” key, the adjusted value stops blinking, now the center of ST hasbeen adjusted.5. TH channel and CH3 channel can be set similarly.6.When ending setting, return to the initial screen by pressing “Exit” button twice.Servo operation reversingThis function reverses the direction of operation of the servos related totransmitter steering, throttle, channel 4 and channel 3 operation.ChannelST: SteeringTH: ThrottleCH3:Channel3CH4:Channel41. Enter the function menu and use “Dec(-)” or“Inc(+)” button to access REV function.2. Press “Enter” button to get into REV function interface.3. Use “Dec(-)” or “Inc(+)” button to select ST channel, press “Enter”key,and thesymbol “▶” will blink.4. Press “Enter” key, the symbol “ ▶ ” stops blinking, Use “Dec(-)”or“Inc(+)”button to reverse the ST servo operation direction.5. TH channel, CH3 and CH4 channel can be set similarly.6. When ending setting, return to the initial screen by pressing “Exit” button twice.Servo Reverse "REV"