2. Function Introduction:
Long press for On/O; Short press for mono/stereo/safety mode switch. Please attention that it can not realize
STEREO function when in single-channel and safety mode
2.2. Power/Mono/Stereo/Safety Mode Switch Button
Short press to cyclically adjust the A/B channel output volume. In the mono mode, the A/B channel output
volume is adjusted synchronously
2.3. A/B Channel Output Volume Adjustment Button
If there is an abnormal phenomenon such as the device is crash or unable to turn on it, then insert the
reset pin into the reset hole to reset it
2.1. Reset Hole
12