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Table 5. Troubleshooting problems – Image What you see... Suggested Action Reference Screen is blank and power indicator is off . Ensure that the power cord is firmly connected and the TFT-LCD monitor is on. Connecting your TFTLCD Monitor, page 5. "Check Signal Cable" message . Ensure that the signal cable is firmly connected to the PC or video board. . Ensure that the PC is turned on. Connecting your TFTLCD Monitor, page 5. "Sync Out of Range" message . Check the maximum resolution and the frequency on the video port of your computer. . Compare these values with the data in the Display Modes Timing Chart. Display Modes, page 26. The image is too light or too dark . Adjust the Brightness and Contrast. Brightness, page 12 and page 13. Contrast, page 13. Horizontal bars appear to flicker, jitter or shimmer on the image . Adjust the Fine function. Image Lock, Fine, page 14. Vertical bars appear to flicker, jitter or shimmer on the image. . Adjust the Coarse function and then adjust the Fine function. Image Lock, Coarse, page 14. Image Lock, Fine, page 14. Screen is blank and power indicator light is steady amber or blinks every 0.5 or 1 seconds . The monitor is using its power management system. . Move the computer’s mouse or press a key on the keyboard PowerSaver, page 19. Appendix Table 5. Troubleshooting problems – Image (Continued) What you see... Suggested Action Reference Image is not stable and may appear to vibrate . Check that the display resolution and frequency from your PC or video board is an available mode for your monitor. On your computer check: Control Panel, Display, Settings Display Modes, page 26. . If the setting is not correct, use your computer utility program to change the display settings. Installing the Video Driver, page 7. NOTE: Your monitor supports multiscan display functions within the following frequency domain: . Horizontal frequency: . Vertical frequency: . Maximum refresh rate: 30 kHz – 80 kHz 50 Hz – 85 Hz 1280 x 1024 @ 75 Hz Image is not centered on the screen. . Adjust the horizontal and vertical position. H-Position, page 14. V-Position, page 15. You need the monitor driver software . Download the driver from the internet at: support/downloads/monitor/ index.html English 21 Appendix Table 6. Troubleshooting problems – Audio Problem Suggested Action Reference No sound . Ensure that the audio cable is firmly connected to both the audio-in port on your monitor and to the audio–out port on your sound card or computer. Connecting your Multimedia Monitor, page 6. . Rotate the Audio On/Off and Volume control to the right to turn it on and raise the volume. Audio Controls, page 18. Sound level is too low . Rotate the Audio On/Off and Volume control to the right to raise the volume. Audio Controls, page 18. . If the volume is still too low after turning the control to its maximum, check the volume control on the computer sound card or software program. Refer to your computer, sound card or software documentation. Howling effect occurs . Decrease the volume slightly. . If you are using an external microphone, move it away from the speakers and adjust the volume level. Audio Controls, page 18. Sound is too high pitched or too low pitched . Adjust the Treble and Bass as appropriate. Audio Controls, page 18. Appendix Table 6. Troubleshooting problems – Audio Problem Suggested Action Reference Microphone is not working . Check the microphone cable connection. Connecting your Multimedia Monitor, page 6. . Your sound card must be compatible with an internal, embedded microphone. If it is not, use the microphone that came with your computer or sound card. Your computer or sound card documentation. English 23 Appendix Specifications Table 7. Technical and environmental specifications Panel Size Display Size Type Pixel pitch Viewing Angle 15.0" Diagonal 304.1 (H) x 228.1 (V) mm a-si TFT active matrix 0.297 (H) x 0.297 (V) mm 70/70/60/60 (L/R/U/D): min. (Depending on the panel manufacturer, the viewing angle may be different from this spec.) Frequency Horizontal Vertical Display color 30 – 80 kHz (Automatic) 50 – 85 Hz (Automatic). (based on XGA) 16,777,216 colors Display Resolution Optimum Mode Maximum Mode 1024 x 768 @ 60 Hz 1280 x 1024 @ 75 Hz Input Signal Sync Video signal H/V Separate, TTL, P. or N. H/V Composite, TTL, P. or N. Sync-on-green 0.3 Vp-p, N. 0.7 Vp-p @ 75 ohm, P. Power Supply AC 90-264 Volt, 60 Hz / 50Hz to 12V/3A Power Consumption Normal Power Saving 57OP Plus : 35W 570P/580P : 25W Less than 3 W Dimensions / Unit Unit (WxHxD) with: Weight / incl. Simple base: 385.4 x 364.7 x 173 mm / 5.20Kg / 8.4Kg Carton MultiMedia base: 385.4 x 406.2 x 179 mm / 5.95Kg / 9.6Kg Pivot MM base: 385.4 x 406.2 x 179 mm / 5.95Kg / 9.6Kg Angle-Pivot base: 385.4 x 431.6 x 178.9 mm / 6.6Kg / 9.8Kg Wire-frame base: 385.4 x 339.2 x 79.7 mm / 4.4Kg / 7.6Kg Carton (WxHxD) 475 x 282 x 510 mm Environmental Operating Temperature 50 °F to 104 °F (10 °C to 40 °C) Consideratio...