JVC DOME CAMERA VN-C215V4U - Manual (Page 13)

13
Lens section
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.
Memo：
● Adjust the Iris level after [AGC] is set to
AOffB. For AAGC function settingsB, please
refer to the [INSTRUCTIONS] (pdf) in the
supplied CD-ROM.
● If AOffB 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)
H L
IRIS
LEVEL
FOCUS ADJ
FOR SERVICE
IRIS ADJ
SPOT
c
b
Z
a
To darken : Anti-clockwise direction (towards L)
To brighten : Clockwise direction (towards H)
VN-C215_EN.book Page 13 Monday, November 27, 2006 9:52 AM