JVC TK-WD31 Instructions Manual page 27

• LEVEL adjustment
Monitor screen
Too bright
Too dark
Memo
If the sensitivity adjustment LEVEL is turned excessively to L,
the sensitivity increases because of the AGC function of the
camera, and the image looks grainy.
At Low light levels, video iris lens may "Hunt". Please adjust iris
level on lens to minimise hunting.
For DC auto iris lens (auto iris lens without built-in EE
amp)
Set the VIDEO/DC switch on the side of the unit to "DC" and adjust
the LEVEL in the LENS ADJUST screen. (
LEVEL turning direction
Counterclockwise (Toward L)
Clockwise (Toward H)
Page 35)
21