The First Years True Choice A100 Manual page 7

Lights
Here's how to interpret the lights on the Parent Unit(s) and the Child Unit:
1
Power Indicator
Blue Light
Red Light
(Parent Unit(s) only)
No Light
2
Connection Indicator on Parent Unit(s)
Blue light
Flashing blue
No Light
3
Sound Lights – Parent Unit(s) only
The more lights, the louder the sounds coming from baby's location.
No lights
One, two, or
three Green lights
One or two Red lights
To Use (continued)
1 2
Unit is on.
Batteries are weak and need to be replaced.
Remove dead batteries from parent unit(s) immediately.
(See "To install batteries," p. 5)
Unit is off or no power. See "Troubleshooting."
Unit is securely linked to the Child Unit.
(Unit is also beeping.) Units are not linked, therefore Parent Unit is
not able to receive sounds from the Child Unit. See "Troubleshooting."
Unit is off or batteries are dead and AC adapter is not connected.
See "Troubleshooting."
No sound (baby is quiet).
Soft sounds (baby may be fussing or vocalizing softly).
Louder sounds (baby may be crying or vocalizing loudly).
2
3 1
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