JVC VN-C215VP4U Instruction Manual - Page 29

Adjusting field angle, focus and, brightness, Field angle adjustment, Focus adjustment

Page 29 highlights

Adjusting field angle, focus and brightness Once you have decided the shooting direction, you can adjust the field angle, focus and brightness. Noteɿ ● Be sure to hold the dome cover over the lens when adjusting the focus. The dome cover is made thicker for performance purposes. If focus is not adjusted with the dome cover held over the lens, the camera may be out of focus when the dome cover is actually attached. ● When adjusting focus, hold the dome cover over the lens such that the optical axis of the lens and the center of the dome cover is perpendicular to each other and the image is not distorted. (Refer to the diagram below) Field angle adjustment Loosen the fastening screw of the zoom adjustment ring, move the ring left and right and adjust the image size. Focus adjustment Press the focus adjustment button. The Iris will open for approximately 30 seconds. Loosen the fastening screw of the focus adjustment ring, move the ring left and right and adjust the focus. Memoɿ ● Repeat "Field angle adjustment" and "Focus adjustment" two to three times to adjust the settings. After adjustment is complete, tighten and secure the respective fastening screws. ● Pressing the focus adjustment button automatically activates the electronic shutter. The screen may flicker but this is not a malfunction. Optical Axis FOCUS ADJUST Focus adjustment button L H IRIS LEVEL Iris level adjustment dial Zoom adjustment ring W T Brightness adjustment Normally, adjustment is not required. If necessary, adjust the Iris level. To darken : Anti-clockwise direction (towards L) To brighten : Clockwise direction (towards H) Noteɿ ● Do not adjust the iris level within 30 seconds after pressing the focus adjustment button. The electronic shutter will activate and you will not be able to adjust correctly. ● When adjusting the iris level, set the [AGC] function to AOffB. Otherwise, when the level is turned too far toward L, the [AGC] function activates, hence increasing sensitivity and the picture may look grainy. Focus adjustment ring N F 29

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29
Adjusting field angle, focus and
brightness
Once you have decided the shooting direction,
you can adjust the field angle, focus and
brightness.
Note
Be sure to hold the dome cover over the lens
when adjusting the focus. The dome cover is
made thicker for performance purposes. If
focus is not adjusted with the dome cover
held over the lens, the camera may be out of
focus when the dome cover is actually
attached.
When adjusting focus, hold the dome cover
over the lens such that the optical axis of the
lens and the center of the dome cover is
perpendicular to each other and the image is
not distorted. (Refer to the diagram below)
Field angle adjustment
Loosen the fastening screw of the zoom
adjustment ring, move the ring left and right and
adjust the image size.
Focus adjustment
Press the focus adjustment button. The Iris will
open for approximately 30 seconds. Loosen the
fastening screw of the focus adjustment ring,
move the ring left and right and adjust the focus.
Memo
Repeat “Field angle adjustment” and “Focus
adjustment” two to three times to adjust the
settings.
After adjustment is complete, tighten and
secure the respective fastening screws.
Pressing the focus adjustment button
automatically activates the electronic shutter.
The screen may flicker but this is not a
malfunction.
Brightness adjustment
Normally, adjustment is not required. If
necessary, adjust the Iris level.
To darken
: Anti-clockwise direction
(towards L)
To brighten
: Clockwise direction (towards
H)
Note
Do not adjust the iris level within 30 seconds
after pressing the focus adjustment button.
The electronic shutter will activate and you
will not be able to adjust correctly.
When adjusting the iris level, set the [AGC]
function to
A
Off
B
. Otherwise, when the level is
turned too far toward L, the [AGC] function
activates, hence increasing sensitivity and
the picture may look grainy.
Optical Axis
N
F
W
T
FOCUSADJUST
L
H
IRIS
LEVEL
Iris level
adjustment dial
Focus
adjustment button
Zoom adjustment ring
Focus adjustment ring