JVC VN-H57U Security Camera User Manual


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3
☞
Continued overleaf
Adjust the field angle and the focus while checking the
actual image on the monitor.
Note
• Before you touch this camera, be sure to touch the metal surface of the
monitor terminal first in order to discharge static electricity.
Otherwise, static electricity may cause the camera to malfunction.
Adjust the direction of the camera
Direct the camera at the target.
Note
• Do not hold the lens section when adjusting the direction of the camera.
The lens section may be damaged if you apply force to it.
Adjust the field angle and focus
[FOCUS ASSIST] button
1 Shoot the subject and press the [FOCUS ASSIST]
button.
• The camera enters Focus Assist mode, and [STATUS] indicator
flashes green and orange alternately.
2 Adjust the focus of the lens.
VN-H37U camera
1 Loosen the back focus setscrew using a cross slot screwdriver.
2 Shoot the fine designs farther than the subject you are shooting.
3
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)”.
4 Select “Lens Type” from the “Lens” page in “Advanced Settings”.
• For details on the lens type, refer to “Instructions (Setting)” on
the supplied CD-ROM.
5 Adjust the back focus.
With a Fixed-Focus Lens
• Set the focus ring of the lens to the ∞ position.
• Rotate the back focusing ring to adjust the focus.
With a Zoom Lens
• Zoom the lens to the tele position, and focus an image by
rotating the focus ring of lens.
• Zoom the lens to the wide position, and adjust the focus by
rotating the back focusing ring.
6 Tighten the back focus setscrews by turning them to securely fix
them.
VN-H57U camera
1 Turn the lens focus ring to adjust the focus.
2 When you finish adjustment, secure the lens focus.
3 Press the [FOCUS ASSIST] button to release the Focus Assist
mode.
4
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)”.
5 Select “Lens Type” from the “Lens” page in “Advanced Settings”.
• For details on the lens type, refer to “Instructions (Setting)” on
the supplied CD-ROM.
6 Select “Day Focus Adjust” from the “Focus” page in “Advanced
Settings”.
• The back focus position is automatically adjusted.
Adjust the back focus position to finely adjust the focus.
• For details on back focus, refer to “Instructions (Setting)” on
the supplied CD-ROM.
Note
• It may be difficult to acquire focus the following places.
– Too bright places.
– Too dark places.
–
Places where brightness always flickering; people are passing by
– Places where there is little contrast
– Places where there are repeating
• 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.
• If you have changed the lens after performing automatic focus
adjustment, initialize the back focus position via the "Focus"
page, and perform focus adjustment again from step 1.
• If you experience difficulty with automatic focusing, select
"Manual Focus" from the "Focus" page, and manually adjust the
focus to the optimal position.
• When using a zoom lens, focus the lens, and then select "Manual
Focus" to perform focus adjustment for the zoom range.
☞
Continued overleaf
Turn on the power
After connections and installations are completed, turn
on the power to the unit. When the camera is booting,
the [STATUS] indicator lights up orange. It lights up
green after booting.
Image Adjustment
(VN-H137U)
Image Adjustment
(VN-H57U/VN-H37U)
[STATUS] indicator
VN-H37U
Focus ring of lens
Back focusing ring
Focusing ring
setscrew
Adjust the field angle and the focus while checking the
actual image on the monitor.
Note
• Before you touch this camera, be sure to touch the metal surface of the
monitor terminal first in order to discharge static electricity.
Otherwise, static electricity may cause the camera to malfunction.
Adjust the field angle and focus
1 Remove the lens cover.
Press the lens cover marking (either A or B) up and down, release
either catch, and then release another catch from this camera.
Note
• Do not forcibly pull the lens cover. If you do so, the fall prevention
sheet may be removed.
• When mounting the lens cover, be careful not to pinch the protection
sheet.
• Remove the lens cover by pulling it straight, and exercise care not to
hit the lens. If the lens is hit, it may be scratched by the lens cover.
2 Adjust the direction of the camera.
Direct the camera at the target.
Note
• Do not hold the lens section when adjusting the direction of the
camera. The lens section may be damaged if you apply force to it.
3 Adjust the field angle.
Loosen the zoom ring setscrew, and adjust the image size by
rotating the zoom ring to the right or left. After completing the
adjustment, move the fastening screw toward the direction of the
lens (direction of the subject), and tighten the screw accordingly.
4 Adjust the focus.
1 Lift the focusing gear control, release the catch from position C
and insert it into position D to disengage the gear.
2 Loosen the focusing ring setscrew, and focus the image by
rotating the ring to the right or left.
Note
• If you open the gear beyond position D, the gear shaft is released
from the bearing (E in the figure) to prevent it from being damaged.
In this case, insert the shaft into bearing E (the original position)
again and use them.
Finely adjust the focus
[FOCUS ASSIST] button
1 Press the [FOCUS ASSIST] button.
• 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 Shoot the subject.
3 Finely adjust the focus.
Return the catch to C from D in the diagram, and rotate the focus
adjustment gear knob to adjust the focus to the optimum position.
4 Fix the focusing ring.
Hold and press the focus adjustment gear between your fingers
in the arrow direction of the figure, and tighten screw of focus
adjusting ring.
5 Release the Focus Assist mode.
• When you release the Focus Assist mode by pressing the
[FOCUS ASSIST] button, the [STATUS] indicator lights in green.
• Mount the lens cover.
VN-H137U
[STATUS]
indicator
Zoom adjustment
ring
Focusing ring
Knob
E
D
Focus adjustment gear
C
B
A
Catches
Fall prevention sheet
Lens cover
Mount the lens cover
1 Mount the lens cover.
Note
• Mount the lens cover carefully to avoid hitting the lens. If the lens is
hit, it may be scratched by the lens cover.
• Mount the lens cover securely.
2 Remove the protection sheet.
Protection sheet
[STATUS] indicator
VN-H57U
Focus ring of lens
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