Dip Switch Functions

 

ALC

Video

Video

GND

GND

ON

ON

 

LEVEL

OFF LL AGC BLC FL ES

OFF LL AGC BLC FL

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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EverFocus EHD320 user manual LL Line-Lock Off/On, AGC Automatic Gain Control Off/On