EverFocus EHD320 - Manual (Page 12)

Dip Switch Functions
LEVEL
ALC
Video
GND
O
N
OF
F
LL AG
C
BL
C
FL
Video
GND
O
N
OF
F
LL AG
C C
BL FL ES
Board Lens Vari-Focal Lens
LL (Line-Lock) Off/On
To select the sync mode between Internal Sync.(LL off) and Line-Lock
(LL on).
Set the line-lock off, the camera will synchronize to the internal time base.
Set the line-lock on, the camera’s vertical synchronization can be driven by
the AC signal in the power lines.
Note: Line-Lock sync mode operation is possible only when used with an
AC power source; it’s not possible with a DC power source.
The default setting is ON.
AGC (Automatic Gain Control) Off/On
AGC ON: The sensitivity increases automatically when light is low.
AGC OFF: A-low-noise picture is obtained under a low light condition.
The default setting is ON.
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