SBJ BM-257 User Manual page 8

This is the "day" mode, night vision function is turned off.
This is the "night"mode, night vision function is turned on.
A2f. Exit
When return to the live video from main menu, user can also select "EXIT" function option by pressing /
key.
B1. Parent Unit Screen Display
1>
On the main screen of parent unit, the top left corner is signal strength indicator , the top right corner
the b
attery status and night vision icon.
2>
Battery status: indicates the current battery status of parent unit.
Status can be: full charge, 3/4 charge, 2/4 charge, 1/4 charge, low battery.
Charging time: 8 hours with adaptor.
B2. Talking Function (Two Way Communication)
1> Under normal communicating, baby unit is transmitting sound and image to parent unit.
2> If mother unit need to talk back to parent unit, press PTT key of parent unit to talk.
3> Release PTT key to stop talking back to baby unit. The parent unit will be returned to receiving status.
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is