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No image appears on the screen
Possible causes and remedies:
1. The projector is left in Standby mode. If
the product is in standby mode, there will
be a red light next to the stand-by button.
Press the
stand-by button or the Menu key on the
remote control.
2. The lamp does not function. Check the
light on the control panel. If the light is
orange, the lamp does not function. Call 1-
888-865-3026..
3. The product is set in ‘blank mode’. Press
the zap keys on the remote control.
4. The brightness is turned on too low. Adjust
brightness until a satisfactory image is
achieved.
5. The power save or screen save on the PC is
turned on. Disable the power save and
screen save on the PC.
6. The image is displayed on the laptop
screen and not the projector. Activate the
external port on the laptop by pressing the
required key combination on your comput-
er.
7. The projector is not connected to electrici-
ty. Check that the power cable is connect-
ed to the projector and the wall outlet.
No source signal is detected (the Zenith
logo appears)
Possible causes and remedies:
1. The computer has not been switched on.
Turn on the computer.
2. The cables are not properly connected.
Check all cable connections.
The image is not good (noise)
Possible causes and remedies:
1. The automatic image set-up is not
activated. Run auto set-up by pressing
the setup button on the touch panel or
run auto set-up from the menu.
2. The synchronization on the PC is not set
optimally.
There is poor response from the Remote
Control
Possible causes and remedies:
1. Check that nothing is blocking the IR
receiver at the front of the projector.
2. Make sure the remote control is pointed
towards the screen.
3. Make sure there is no more than
33ft/10m in distance to the projector.
4. Batteries might be low. Change batteries
in the remote control.
5. Electromagnetic or optic noise may
influence the remote control.
Turn off sharp fluorescent lamps, mobile
phones, etc that are near the projector.
No Image Appears
Possible causes and remedies:
1. The projector has not been switched on.
Check the ON/OFF switch at the back.
2. For Notebooks: The external RGB port
may need to be manually activated. Please
consult the notebook-operating manual
for how to operate.
8. What do I do if
(Trouble shooting)
6.3.5 Synchronization Adjustments
Synchronization Adjustments
It is possible to adjust the synchronization in
Computer mode by adjusting the Phase and
the Frequency. The synchronization will be set
by the automatic set-up function. Manual sync
adjustments should typically not be required.
The setting will follow the source, which
means that you can have different settings for
video and computer. The pre-defined settings
will also vary with the source.
All maintenance should be done
by Zenith authorized service
personnel. Contact Zenith at
1-888-865-3026 for service
7. Maintenance
22