V-TEK DF4 - Parts and Function; Monitor Components Overview; System Interfaces and Controls

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2
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Parts and function
Backlight LED
Doorbell button
Talk voice
volume jumper
4.3 TFT display
Mute indicator
Divert indicator
MIC(bottom) Touch keys
BUS line
Speaker(side)
Talk voice volume jumper: the volume of the speaker voice when talk
with door station, plug in means high, remove means low.
Talk/Monitor
Scroll down
Unlock
Mute
Scroll up
Divert
sw+
sw-
L1,L 2
VO L
MMOODDEELL..DDFF44--WW
Series Number: 1230700001