Image Adjustment - JVC VN-H37U Instructions

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

For detailed image adjustment, follow the procedure
defined for each model.
VN-H37U
VN-H137U camera
Image Adjustment
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.
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.
Image Adjustment
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.
VN-H37U
Back focusing ring
[STATUS] indicator
Focus ring of lens
VN-H137U
[STATUS]
indicator
Fall prevention sheet
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.
Adjust the field angle and focus
1 Shoot the subject and 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 Adjust the focus of the lens.
3 Press the [FOCUS ASSIST] button to release the
Focus Assist mode.
4 Adjust the back focus.
• In some cases, the lens can be out of focus. If it is the case,
follow the steps bellow to adjust the back focus.
1 Loosen the back focus setscrew using a cross slot screwdriver.
Focusing ring
2 Shoot the fine designs farther than the subject you are shooting.
setscrew
3 Adjust the back focus.
For fixed focus lens
• Set the focus ring of the lens to the ∞ position.
• Rotate the back focusing ring to adjust the focus.
For 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.
4 Tighten the back focus setscrews by turning them to securely fix
them.
5 Shoot the subject and adjust the focus by turning the focus ring
of the lens.
Knob
Catches
D
C
Focusing ring
Zoom
adjustment ring
[FOCUS ASSIST] button
Focus adjustment gear
E
A
B
Lens cover
Protection sheet
Continued overleaf Continued overleaf
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