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| Troubleshooting |
10 | Troubleshooting |
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| Problem | Troubleshooting | |
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| No image on display | 1. | Check that the power cord of the monitor has been |
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| screen |
| connected securely into wall outlet or grounded |
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| extension cable or strip. |
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| 2. | Power switch should be in the ON position and LED |
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| is lit. |
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| 3. | Check that the Brightness and/or the Contrast of the |
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| display have not been turned down to minimum |
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| levels [J 11] . |
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| "Going to sleep" | 1. | Check that the signal cable is completely connected |
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| message on screen |
| to the video card/computer. |
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| 2. | Check that the video card is completely seated in its |
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| slot and the computer is switched on. |
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| Display image is not | 1. | Press the Auto button (in DVI mode) or adjust |
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| centered, too small or |
| picture settings [J 11] . |
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| too large in PC mode |
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| Vertical or horizontal | 1. | Press the Auto button or adjust Frequency and |
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| noise is present in the |
| Phase in the OSD menu [J 14] . |
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| picture |
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| Can see picture but no | 1. | Make sure that audio inputs are connected properly. |
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| sound is audible | 2. | Check to see whether the volume is turned down |
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| [J 12] . |
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| 15 |
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Building Technologies | CMTC1713_1913 User Manual |
Fire Safety & Security Products | 19/12/2008 |