VTech DM221 Faq

Why won't my Parent or Baby (Child) Unit turn on? / I don't see any lights on the Baby or
Parent Unit after switching them on.
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The Parent Unit turns on when it is connected to AC power using the supplied power
adapter, or when connected the charged battery pack.
The Baby Unit turns on when it is connected to AC power using the supplied power
adapter.
Ensure that you are using power outlets that are known to be working and not controlled
by a wall switch.
Make sure the power adapters are firmly connected to the power outlets and Parent and
Baby Units.
Either unit can be turned off by pressing the Power button for approximately two
seconds. To turn either unit on again, press the Power button for approximately two
seconds.
My Parent Unit displays SEARCHING or NOT LINKED
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The Parent Unit will display SEARCHING if it is out of range of the Baby Unit, or if the
Baby Unit is turned off or lost power. After several seconds of searching without finding
the Baby Unit, NOT LINKED is displayed.
Ensure that the Baby Unit has power and is turned on. Also move the Parent Unit closer
to the Baby Unit until LINKED is displayed.
Squealing coming from Parent Unit
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Ensure that Parent and Baby units are separated by a minimum of three feet.
Sensitivity may be set too high on the Parent Unit. To adjust sensitivity:
Step 1 Press MENU on the Parent Unit. SENSITIVITY is displayed.
Step 2 Press SELECT.
Step 3 Press ▼VOLUME▲ to adjust the sensitivity. There are 5 levels.
Step 4 Press SELECT to confirm your setting.
Step 5 Press MENU/BACK to exit programming.
The battery in the Parent Unit is not holding a charge