VTech BM4500-OWL User Manual page 27

Sound-activated screen
Automatically turns on the parent unit screen when a
sound is detected in your baby's room. When no sound is
detected, the screen is off to save power.
LCD
You can change the LCD brightness or turn on or off the
dim mode of the parent unit screen.
rename
You can choose a specific name for the baby unit from a
pre-defined name list.
Pair/unpair
The baby unit and parent unit provided are already
paired. You can add or replace baby units
(BM4510-OWL, purchased separately) to your baby
monitor system.
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