A&D LifeSource Essential UA-651CNBLE Instruction Manual page 14

Using the Monitor
Pairing procedure
1. Follow the instructions in the manual of the receiver device to switch
it to the pairable status. When pairing this monitor, place it as close
as possible to the receiver device to be paired with.
2. Install the batteries or connect the AC adapter.
Press and hold the "START" button until "Pr" is
displayed, then release the button.
The monitor will be in a state that can be found by the
receiver device for about one minute.
3. The monitor displays "End" to indicate that pairing is
complete.
4. If "Err 10" is displayed or pairing is failed, remove
the batteries or disconnect the AC adapter and try
steps 1-3 again.
5. Follow the manual of the pairing receiver device to search for, select
and pair with this monitor.
Communication Distance
The communication distance between this monitor and the receiver
device is about 33 feet (10 m). This distance is reduced by the
conditions in the surrounding environment, so be sure to check
that the distance is short enough for a connection to be made after
measurement is complete.
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