JVC VN-C215V4U - Fixed Ip Network Mini Dome Instructions Manual page 13

Lens section
Z
a
Z
[FOCUS ADJ] Focus adjustment button
This is used to adjust the lens focus.
Press the button to open the lens Iris for 30
seconds. The focus is now easier to adjust as
the depth of field becomes shallow. (A Pg. 29)
Memo ：
● Pressing the focus adjustment button
automatically activates the electronic shutter.
The screen may flicker but this is not a
malfunction.
a
[IRIS LEVEL] Iris level adjustment dial
This dial adjusts the Iris level of the auto iris
lens.
Normally, adjustment is not required. Adjust if
required, depending on the conditions of the
object.
To darken : Anti-clockwise direction (towards L)
To brighten : Clockwise direction (towards H)
SPOT
FOCUS ADJ
IRIS ADJ
FOR SERVICE
L H
IRIS
LEVEL
b
c
Memo ：
● Adjust the Iris level after [AGC] is set to
Off . (A Pg. 43)
● If Off is not set, turning the dial towards L
will activate the AGC function. The camera
sensitivity increases and the image quality
becomes grainy.
b
Focus adjustment ring
Move the ring horizontally to adjust the focus.
(A Pg. 29)
c
Zoom adjustment ring
Move the ring horizontally to adjust the field
angle. (A Pg. 29)
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