JVC TK-WD31 Security Camera User Manual


 
31
AGC MODE Default setting: LOW
Sets the maximum gain of AGC (Auto Gain Control).
You can set this device to maximum gain by the use of the slow shutter.
Refer to the chart below and set according to the subject.
Setting : Gain
Setting
Gain
: Slow-speed shutter
OFF
LOW
MID
HIGH
HIGH (×2)
HIGH (×4)
SUPER (×2)
SUPER (×4)
SUPER (×8)
ULTRA (×16)
E.g. When set to HIGH (×4)
As the subject darkens, the 22dB to ×2 slow-speed shutters operate to brighten the screen. If
the subject continues to darken, the 28dB to ×4 slow-speed shutters then take over and
continue to brighten up the screen.
* Sensitivity is increased when the slow-speed shutter is operating, but movement on the
screen may appear a little stilted.
28dB + [×2 (6dB)]
22dB + [×4 (12dB)]
34dB + [×2 (6dB)]
28dB + [×4 (12dB)]
22dB
+ [
×8 (18dB)]
22dB + [×16 (24dB)]
×
2
×
2
×
2
×
2
×
4
×
4
×
8
×
4
×
16
×
2
21dB
0dB 10dB 22dB 28dB 34dB 40dB 46dB