Graco 2M13 - Digital Imonitor Mini Baby Monitor Owner's Manual page 30

Pairing Parent Unit and Child Unit.
To ensure privacy, your Parent Unit is paired with your Nursery
Unit at the factory. Your Parent Unit will not work with any other
Nursery Unit.
If Parent Unit won't lock onto the Nursery Unit, or you purchased
a new Nursery Unit, follow the procedure below to pair the Parent
Unit and Nursery Unit. If you purchased a new Parent Unit, skip
Step 1. The new Parent Unit is ready to pair with your Nursery
Unit.
1. Erase the Pairing from the Parent Unit.
•Turn the Parent Unit off.
•Hold the Volume Down Button on the Parent Unit while pressing
the On/Off Button. Continue to hold the Volume Down Button
until you hear a single beep and all of the Sound Lights illuminate
briefly.
•Release the Volume Down Button.
•Press and hold the Volume Down Button again (within 1 second).
•Within 2 seconds you will hear a beep. Release the Volume Down
Button. All of the SoundLights and the red Loss Connection LED
will be lit. The Parent Unit is ready to pair with Nursery Unit.
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