Function Introduction
Child lock function: Long press the
middle button for 3 seconds until “ ”
is displayed on the screen to activate
the child lock. While the device is
locked, long press middle button for
3 seconds until “ ” disappear to
deactivate the child lock.
Restore factory settings: Long press the middle
button and insert the battery at the same time
until “ ” is displayed on the screen and
blinking for 3 seconds, the device will be
restored to factory settings and restarted.
*Attention: Once the device is restored to factory
settings, all previous settings can not be recovered.
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