ENGLISH
7 TROUBLESHOOTING
Symptoms and Confirmation
Check the following items. If any abnormality is found, consult the seller from whom you have purchased this product or our branch/office near your location.
Symptom | Check this item |
No image is displayed | • The cable is not connected correctly to the |
on the TV monitor. | monitor. |
| • The power cord is disconnected from the wall AC outlet. |
| • The plug is disconnected from the power cord receptacle of this |
| presenter. |
| • The power switch is not ON. |
| • Zoom is set at the TELE side, displaying only the white/black part of the |
| document. |
| • The power switch is turned ON immediately after it is turned OFF. |
| In this case, this product may not start immediately. Wait for several |
| seconds after turning OFF the power switch, and then turn it ON. |
The image is out of | • The document (object) is too close to the lens. |
focus. | • Zoom is at the TELE side after focusing at a wide angle (at the WIDE |
| side). Focus on the point of max. at the TELE side. |
| • In the auto focus, focusing is difficult in some cases. |
The lamp does not | • For the protection purpose, the lamp is arranged to light up after |
light up quickly. | preheating for 2 seconds. This is not a fault. |
The video output | • The video output is set to the PAL system. If this product, set to the PAL |
image is disarrayed. | system, is connected to the monitor specially designed for the NTSC |
| system, the video image may not be outputted normally but be |
| disarrayed or in black and white. In such case, switch the system of |
| the video output by referring to "DIP Switch" at P. 61. |
The image is too dark. | • The intensity of the lighting is not sufficient. Press the [ ] button on |
| the front operating panel or wireless remote control to turn ON the |
| lamp. |
| • The iris is adjusted to the CLOSE side. Adjust the iris to the OPEN side. |
The image is striped. | • This may be interference fringes between dots of printed matter |
| and TV scanning lines or CMOS pixels. This may be mitigated by |
| changing the projection range. |
| • When using an LCD projector, vertical stripes may appear on the |
| screen. This may be mitigated by manually adjusting the dot clock |
| frequency on the projector side. |
The brightness tone is | • This may be mitigated by switching gamma settings. |
out of order. |
|
The material (object) | • Initialize the camera position by referring to P. 70. |
does not come to the |
|
center of the display |
|
Replacement of Lighting Lamp (Fluorescent Lamp)
The lighting lamps (fluorescent lamps) are expendables. When any of them begins to shimmer or dim, replace it.
For the replacement of the lamp, consult the dealer from whom you have purchased this product or our branch/office near your location.
TROUBLESHOOTING
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