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BenQ DS660 User Guide - Page 29

Troubleshooting

UPC - 840046000806

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BenQ DX/S660 DX/S650 User's Guide TROUBLESHOOTING Common Problems & Solutions PROBLEMS TRY THESE SOLUTIONS NO POWER • Make sure the power cord is inserted snuged into the AC adapter socket. • Make sure the power cord is inserted snuged into the power outlet. • Toggle the power switch to the position "1". • Wait two minutes after the projector is turned off before turning the projector back on. • Check for the proper input source. NO PICTURE • • Ensure all cables are connected properly. Adjust the brightness and contrast. • Remove the lens cap. TRAPEZOID • Reposition the unit to improve its angle on the screen. IMAGE ON • Use the Keystone correction key on the control panel of the THE SCREEN projector or the remote control unit. POOR COLOR • • Select the correct video system. Adjust brightness, contrast, or saturation. BLURRED IMAGE • Press Auto on the control panel of the projector or the remote control unit to get better picture quality. • Adjust the focus. • Reposition the unit to improve its projection angle. • Ensure the distance between the unit and screen is within the adjustment range of the lens. REMOTE CONTROL DOES NOT WORK • Replace the batteries with new ones. • Make sure there is no obstacle between the remote control and the projector. • Stand within 4 meters (13 feet) of the projector. • Make sure nothing is blocking the front and rear receivers. 24 Troubleshooting

Section	Page
BenQ	1
Copyright	2
Disclaimer	2
Fill this in!!	2
Introduction	6
1. Read this user’s guide before you operate your projector and save it for future reference.	6
2. The lamp becomes extremely hot during operation. Allow the projector to cool for approximately...	6
3. Never replace the lamp assembly or any electronic components unless the projector is unplugged.	6
4. To reduce the risk of electric shock, do not disassemble this appliance. Take it to a qualifie...	6
5. Do not place this product on an unstable cart, stand, or table. The product may fall, sustaini...	6
6. This product is capable of displaying inverted images for ceiling mount installation. Please u...	6
1. Macintosh adapter	8
2. 210W Lamp module	8
1. Lift the projector up and press the adjuster button to release the adjuster.	11
2. The adjuster will drop into position and be locked.	11
Installation	14
HDTV description	14
Connecting to Various Equipment	15
Operation	16
1. Plug the power cord into a wall socket.	16
2. Turn on the main power switch.	16
3. Press POWER to start the unit. The back-lit POWER key flashes green and stays green when the p...	16
4. Switch on all connected equipment.	16
1. Press POWER and a warning message will appear. To turn off the projector, press POWER again.	24
2. The fan will continue to run for approximately two minutes.	24
3. Turn off the main power switch.	24
4. Disconnect the power cord from the wall socket.	24
Maintenance	25
1. Press the POWER button to switch off the projector. Disconnect the power cord from the outlet ...	26
2. Loosen the screw and remove the lamp cover. If the lamp is hot, avoid burns by waiting 45 minu...	26
3. Loosen the 3 screws. (It is strongly recommended that you use a magnetic- head screwdriver.) P...	26
4. Replace the lamp with a new one. Insert it into the projector, and tighten the screws firmly. ...	26
5. Re-install the lamp cover and tighten the screw. Do not turn on the power with the lamp cover ...	26
OSD	27
FUNCTION	27
1. The internal temperature is too high.	27
2. The fans are not working.	27
Troubleshooting	29
Specifications	31
Technical Specifications	31
Resolution	32
H Sync (kHz)	32
V Sync (Hz)	32
Remark	32
640x350	32
31.5	32
70.1	32
640x400	32
37.9	32
85.1	32
VESA	32
720x400	32
31.5	32
70.0	32
720x400	32
37.9	32
85.1	32
VESA	32
640x480	32
31.5	32
60.0	32
VESA	32
640x480	32
37.9	32
72.8	32
VESA	32
640x480	32
35	32
66.7	32
Macintosh	32
640x480	32
43.3	32
85.0	32
VESA	32
800x600	32
35.2	32
56.3	32
VESA	32
800x600	32
37.9	32
60.3	32
VESA	32
800x600	32
46.9	32
75.0	32
VESA	32
800x600	32
48.1	32
72.2	32
VESA	32
800x600	32
53.7	32
85.1	32
VESA	32
832x624	32
49.7	32
74.5	32
Macintosh	32
1024x768	32
48.4	32
60.0	32
VESA	32
1024x768	32
56.5	32
70.1	32
VESA	32
1024x768	32
60.0	32
75.0	32
VESA	32
1024x768	32
68.7	32
85.0	32
VESA	32
1280x1024	32
64.0	32
60.0	32
VESA	32