Sleep time
To adjust the sleep time press previous track / next track to set the counter
between 5 and 120 minutes (5, 15, 30, 60, 90, 120min). Use Play/Pause
button to confirm the input. After the set time BT-X51 turns into standby mode.
Factory reset
To set the device back to factory settings choose Yes. Choose No nothing will
happen. Use play/pause button to confirm the input.
System version
Look up the firmware version here.
Backlight
Set the time how long it should take the backlight to go off. Set it by pressing
previous track / next track. Use play/pause button to confirm the input.
Contrast
Set the contrast (0-31) by pressing previous track / next track. Use play/pause
button to confirm the input.
FAQ
Something does not work correctly with the BT-X51
Power device OFF,
unplug from power source and remove the rechargeable battery or
Use the
factory reset.
It is not possible to press any button
charge the device via MicroUSB or
AC socket