JVC TK-C9510E Manuel D'instructions page 37

Item
AGC For setting AGC (Automatic Gain Control). When AGC
is working, the screen appears grainy in dark places.
Select "FIXED", and press the [SET] button to display
the [AGC GAIN] screen.
[Setting values: OFF, MID, HIGH, FIXED]
(Default value: HIGH)
AGC
GAIN
SENSE UP Electronic Sense Up is a function that increases the
sensitivity level by lengthening the exposure time. Use
this item to set the number of times to increase
sensitivity when the subject becomes dark.
[Setting values: OFF, x2, x4, x8, x16, x32, x64, x128]
(Default value: x4)
The sensitivity increases automatically up to 32 times from
the standard level. Motion may become unnatural when the
sensitivity increases due to the slower shutter speed.
When [DAY/NIGHT] is set to "AUTO",
Memo
"OFF" and "FIXED" cannot be selected.
Even when [AGC] is set to "OFF" or
"FIXED", it is set automatically to "MID" if
[DAY/NIGHT] is set to "AUTO".
FIX : For setting the fixed gain value when
GAIN
Setting example (in the case of "x32")
When the setting value is increased, the
Memo
screen may appear grainy, whitish, or white
spots may appear. This is not a
malfunction. This setting takes priority over
[SHUTTER SPEED].
When [SHUTTER/WIDE-D] is set to
"M.WIDE-D", "---" is displayed, and the
camera operates in the "OFF" setting.
Function and Setting
[AGC] is set to "FIXED".
[Setting values: 0 dB to 36 dB (in
increments of 3 dB)]
Menu Settings
E-37