Seite18, Troubleshooting – WolfVision VZ-17 User Manual

Page 18

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TROUBLESHOOTING

Symptoms:

Check points:

No power

- Is a power cord connected?
- Is the main power switch (# 34, on the back of the unit) switched to "I"?
- Check fuse! (#35)! (see page 13)

Bright and hazy spots in the picture

- Is the top mirror (#3) or the glass over the base mirror (#2) dirty?
If yes clean it BUT BE CAREFUL - (see page 13)

Low light

- Is the lamp worn out?
- Are you using the Visualizer with the correct voltage?
- Is the lamp correctly placed in the socket?

No light

- Is the light switched off (LIGHT keys #21)?
- Is the lamp burned out?
- Is the light slot covered?

The left edge of the picture is black / the right
edge of an object isn't illuminated (using the
Visualizer as a video camera)

- Switch off the light with the LIGHT off key (#21) and work with room light.
(This is not a failure of the unit, see page 8 - "Synchronized Lightfield")

No monitor picture

- If the IMAGE key (#17) is illuminated red on the control panel, then the
switchable outputs are switched off? - Switch on with the IMAGE key
- Is the IRIS closed? Press the IRIS bright key (#24)
- Check cable connection and input of monitor/projector!
- VZ-47: Check if the monitor or projector is capable to display a SVGA-
picture with a frequency of 31.25kHz (horizontal) and 50Hz (vertical)
- When using an RGBS output check if the correct Sync-Mode is selected
(see page 5 or 6)

Reflections / Glare

- The working surface of the Visualizer is reflection free (provided that the
material is not very wavy). If there are reflections in the picture it must be
due to room light. Switch off the room light!

Poor picture quality on the projection screen
(using the Visualizer together with a projector)

- This is mostly due to bad adjustment of the projector. Connect a monitor to
the Visualizer. If the picture quality is good on the monitor check the
adjustment of the projector.

Autoiris does not work

- The autoiris function is switched off when using the IRIS keys (#24).
It is switched on again when using the ZOOM keys (#13)

Bad picture quality

- Check the set-ups and quality of your monitor or projector.
- On VZ-37 and VZ-47, check the camera set-ups in the on-screen menu. If
you are unsure about the settings use the "reset" function in the menu or
use the key combination: RESET (#20) + MENU (#23).

False colors

- NTSC: adjust color phase of monitor or projector

- Adjust the white balance (see page 14)

Too much green in the picture
(when using the RGBS output)

- Use either SYNC ON GREEN or SEPARATE SYNC but not both at the
same time! (see page 5 or 6).

No color (B/W only)

- Check the TV standard of the monitor or projector (PAL/Secam/NTSC)
- Check color adjustment of the monitor or projector
- Check the Y/C cable (if there is color when using the composite video
output, the Y/C cable may be defective)

No stable picture (Sync problems)

- RGBS-output: Check Sync connection. Use either SYNC ON GREEN or
SEPARATE SYNC (see page 5 or 6).
- Adjust V-Hold on monitor or H/V-frequencies on projector or monitor
- VZ-47: Check if the monitor or projector is capable to display a SVGA-
picture (with a horizontal frequency of 31.25kHz and a vertical frequency
of 50Hz)
- VZ-47: Check if the correct Sync-Mode is selected (see page 6)

Picture is too bright (when using an LCD video
projector)

- An LCD projector should be adjusted for Visualizer projection
see page 11 for details.

VZ-37: Wrong colors or bad picture quality
(using the RGBS / YUV output of VZ-37)

- Check if the Visualizer and the monitor or video projector are both switched
to either RGBS or YUV. The VZ-37 can be switched to the other standard
by simultaneously pressing: IMAGE, IRIS open and IRIS close.

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