YOWHICK GDP1B User Manual page 17

B. Sound sub-menu：
Available adjustments： Sound Mode/ Balance/ Auto Volume/ Bluetooth
Turn on/off Bluetooth
When the Bluetooth is turned on, search for nearby Bluetooth speakers or earphones to pair the device.
Press the "OK" button to pair the device.
When the device is connected, press the "OK" button again to disconnect the device.
C. Time Sub-menu：
Timer: The projector enters standby mode automatically when the set duration of the timer elapses.
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