7.3.6 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
The setting will follow the source, which means that you can have different settings for video and computer. The
8. Maintenance
All maintenance should be done by Zenith authorized ser- vice personnel. Contact your Zenith dealer for maintenance.
The Zenith projector lamp is designed to give you many hundreds of hours of operation. In the unlikely event that you should have to replace the lamp, you will find complete instruction on how to replace the lamp includ- ed in the spare lamp kit.
9.What do I do if (Trouble shooting)
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
2.The lamp does not function. Check the light on the control panel. If the light is orange, the lamp does not function. Contact your Zenith dealer.
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.
3.There is no electricity in the power outlet
in the wall. Check that there is power in the power outlet.
NOTE! When all connections to electricity are OK, there will be a green light at the control panel.
The image is not good (noise)
Possible causes and remedies:
1.The automatic image
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 influ- ence 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 con- sult the
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