9.
Contrast
control (
)
Adjusts the picture contrast. Turn this control clockwise to increase the contrast, and turn it
counterclockwise to reduce the contrast.
10.
Vertical Hold
control (
)
This control is used to lock the vertical position of the picture.
11.
Auto dwell time
control (
)
Adjusts the auto dwell time. Turn this control right to reduce the time length and turn it left to increase the
time length.
12.
Volume
control (
)
Adjusts the audio level. Turn this control right to increase the audio level and turn it left to reduce the
audio level.
13.
SYSTEM
switch
Turn the switch on or off depends on the frequency of AC power source in your area (60 Hz
in U.S.A.).
14.
Speaker
Audio out.
15.
CAMERA IN
(CH1~CH4)
Connect a camera to each input jack, which has 4-pin Din
16.
AUDIO IN
This is an AUDIO input RCA jack for VCR.
17.
VIDEO IN
This is a VIDEO input RCA jack for VCR.
18.
AUDIO OUT
This is an AUDIO output RCA jack for VCR.
19.
VIDEO OUT