To choose an alarm mode, short press the M button. There are three options:
Notice: all alarms are paired with the receiver by default. In case
you mistakenly cancel the paired alarms or have broken alarms
replaced, you need to re pair them with the receiver, please follow
the steps below:
①
③
②
④
①. Press and hold M and V on the receiver;
②. Press and hold T and S on the alarm;
③. Pull a string through the roller on the alarm;
④. Press the power button on the receiver and alarm respectively to
exit the pairing mode. Otherwise, the LEDs will stay on.