JVC VN-H257VPU Instructions page 3

Turn on the power
After all connections and installations are completed,
turn on the power of the unit. When the camera is
booting, the [STATUS] indicator lights up orange. It lights
up green after booting.
Do not cut power to the camera while it is booting.
Image Adjustment
Adjust images by watching them on the monitor.
* The illustration of the camera directly mounted on the ceiling is used.
The same procedures are performed when mounting the camera on
the wall with the cables pulled out.
Note
• Before touching the camera body, make sure you touch the metal
surface of the [MONITOR] terminal first to discharge any static
electricity from your body.
Otherwise, static electricity may cause the camera to malfunction.
• If the monitor image does not display, refer to "Monitor Image Output
☞
during Image Adjustment ( page 1)".
Adjust the shooting direction of the camera
1 Connect a test monitor to the [MONITOR] terminal.
2 Set the [MONITOR] selection switch to "NTSC" or
"PAL".
When changing the setting of the [MONITOR] selection switch, see
the Memo section.
[MONITOR] terminal
75 Ω
termination
Memo
• Set to "NTSC" when connecting to an NTSC monitor, or set to "PAL"
when connecting to a PAL monitor, then hold down the [RESET]
button to reboot. While the camera is rebooting, the [STATUS]
indicator lights up orange.
• If you keep pressing the [RESET] button for more than 5 s, the
camera enters the Service mode. Do not press this button for more
than 5 s.
3 Adjust the shooting direction of the camera
Adjust the pan, tilt and rotation controls of the cameras to face the
lens towards the subject.
Note
• Moving the pan, tilt or rotation beyond the adjustment range may
damage this unit.
• As the tilt and rotation range of this unit is wide, part of this unit may
be reflected in the shooting screen depending on the field angle and
direction.
• Do not hold the lens section when adjusting the direction of pan, tilt
or rotation. The lens section may be damaged if you apply excessive
force to it.
[MONITOR] selection switch
Shooting direction mark
Tilt fastening screw
Pan: ± 175°
Rotation: ± 100° Tilt: ± 80°
When you mount the dome cover, make sure that no cables are connected to the [MONITOR] terminal.
Mount the inner dome
Engage the inner dome slot with the projection, and mount
the dome by rotating it in the direction of the arrow. Press
the inner dome in until you hear the click of the catch.
Protruding
part
Inner
depression
VN-H257VPU/VN-H257VPBU
Knob
Catches
B A
Focus
adjustment gear
Heater space
Anchoring screw
Heater power connector
This power connector is used
when the camera is installed
Test
with a heater (sold separately:
monitor
KA-ZH215U).
After connecting the heater
power cable, be careful not
to pinch it when attaching the
dome cover.
* The VN-H257VPBU camera is shown in the illustration.
Note
• Please consult your nearest JVC dealer regarding heaters.
Memo
• When mounting the heater (sold separately:KA-ZH215U), read the
[STATUS] indicator
INSTRUCTIONS of the heater carefully before mounting.
NTSC
PAL
[RESET] button
Memo
• Rotate the lens in the pan, rotation and tilt directions ± 175°, ± 100°
and ± 80° respectively from the position aligned with the camera's
shooting direction mark, pan center mark and rotation center mark.
[FOCUS
Be sure to hold the rotation control and adjust the rotation without
ASSIST]
holding the lens section.
button
• When you mount the camera body, align the shooting direction mark
within the shooting direction.
• After adjusting the field angle, tighten the tilt fastening screw to secure
the camera so that its field angle does not go out of alignment.
Rotation
knob (2
locations)
Mount the dome cover
Mount the dome cover and remove
the dome cover protective sheet
Align the position aligning marks (3 locations) on the
camera body and the dome cover, mount the dome
cover and secure it using the supplied wrench.
Catches
(2 locations)
Inner dome
VN-H237VPU
camera camera
Knob
Focusing ring
Zoom
Zoom Catches
adjustment ring adjustment ring
B A
C C
Focus adjustment gear
1 base
pitch
Protruding part
Wrench
(supplied)
Dome cover
Dome cover
protective sheet
Position aligning mark
(3 locations)
Dome cover
Position aligning mark
Dome cover protective sheet
Adjust the field angle and focus
1 Adjust the zoom ratio.
Loosen the fastening screw of the zoom adjustment ring, then
move the ring to the right and left to adjust the zoom ratio. After
completing the adjustment, tighten the setscrew.
Note
• Applying force to the zoom adjustment ring while adjusting the
image size may result in damage.
Moving the zoom adjustment ring beyond its adjustable range
may cause the performance of this camera to deteriorate.
2 Roughly adjust the focus.
1 Lift the focusing gear control, release the catch from position A
and insert it into position B to disengage the gear.
Note
• If you open the gear beyond position B, the gear shaft is
released from the bearing (C in the figure on the left) to prevent
it from being damaged. In this case, correctly re-insert the shaft
into bearing A (the original position).
VN-H257VPU/VN-H257VPBU camera
2
Rotate the lens section at
the tip to roughly adjust
the focus.
Note
Tilt fastening
• Do not hold the lens section when adjusting the direction of the
screw
camera. The lens section may be damaged if you apply force to
it. Also, exercise care not to leave your finger prints on the lens
when you rotate the lens section.
3
Return the catch of the focus adjustment gear to position A
shown in the diagram, and then return the focus adjustment
gear to its original position.
VN-H237VPU camera
2
Loosen the focusing ring setscrew and roughly focus the image
by rotating the ring to the right or left.
3 Return the catch of the focus adjustment gear to position A
shown in the diagram, and then return the focus adjustment
gear to its original position.
3 Finely adjust the focus.
VN-H257VPU/VN-H257VPBU camera
1
Connect the camera to a computer, and open the Built-in Viewer.
• For details about computer settings and methods for
connecting the camera to a computer, refer to "Instructions (IP
Address Settings)".
2
Select "Day Focus Adjust" from the "Focus" page in "Advanced
Settings".
• The focus position is automatically adjusted.
• For details on focus, refer to "Instructions (Setting)" on the
supplied CD-ROM.
• You can also adjust the focus after mounting the dome cover.
Note
• It may be difficult to acquire focus automatically when shooting
the following places.
– Too bright places.
– Too dark places.
– Places where brightness always changes. (e.g. a light is
flickering; people are passing by in front of the camera.)
– Places where there is little contrast of brightness.
– Places where there are repeating patterns of vertical stripes.
Memo
• The focus position can be manually adjusted by using the Built-
in Viewer installed on your computer connected to the camera.
☞
( "Instructions (Setting)") Resort to this method if it is difficult
to acquire focus automatically.
VN-H237VPU camera
1
Press the [FOCUS ASSIST] button.
• When the camera is in Monitor Output mode (
already in Focus Assist mode, so step
• The camera enters Focus Assist mode, and [STATUS]
indicator flashes green and orange alternately.
• The image is sharpened with the opening of the aperture.
2 Finely adjust the camera focus by rotating the focus adjustment
gear knob to the right or left.
3
Rotate the focus adjustment gear knob for approximately 1
base pitch in the direction of the arrow shown in the figure.
• This is to correct the focus shift when mounting the dome cover.
4
Remove the protective sheet of the dome cover, and check the
camera focus by holding the dome cover over the lens.
• After checking, replace the protective sheet on the dome cover.
5
Tighten the setscrew of the focus adjustment ring and fix the focus.
6
Press the [FOCUS ASSIST] button.
• The Focus Assist mode will be released.
• The [STATUS] indicator lights up green.
Note
• Before installing the dome cover, make sure that silica gel (supplied)
is placed inside.
• Mount the dome cover firmly. If it is not fixed securely enough, the
moisture inside the camera increases, fogging the inside of the cover
or causing the cover to fall off.
• If you remove the dome cover after installing it, the field angle may
shift. If the field angle has shifted, adjust the focus and the field
angle again.
• Pay attention to the fall prevention wire so that it will not be caught
between the dome cover and the camera. Otherwise, dust proofing
and waterproofing may not work correctly.
2
Lens section
☞
page 1), it is
is unnecessary.
1
3
☞
Continued overleaf