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Troubleshooting |
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N Monitor display |
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Problem | Cause & Solution |
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The image of the subject is | LAt night or when there is poor lighting in the doorway, | ― | |
displayed in black and white (or | – the display will be shown in black and white (or bluish- |
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purple). |
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image appears greenish. | – If there is a light in the doorway, the image appears greenish. |
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| These are not malfunctions. |
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The image of a person’s face is | LWhen there is a strong sunlight or a backlight in the place |
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dark. | where the door station is located, the person’s face becomes |
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| dark. |
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| – Locate the door station away from strong sunlight or | ― | |
| backlights. |
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| – Adjust the brightness of the display. (The background image | 19 | |
| will be shown in white.) |
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The image is not clear or is | LThe surface or the lens of the door station is dirty. Clean it with | 52 | |
blurry. | a soft dry cloth. |
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| LThe surface or the lens of the door station is wet with dew. Wait | ||
| for the condensation to evaporate. |
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The image is white or black. | LThe brightness of the display is not properly adjusted. Adjust | 19 | |
| the brightness while receiving a call, during a conversation, or |
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| while monitoring. |
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The image is white, or white | LStrong light such as sunlight is shining into the lens of the door | ― | |
lines or circles are shown on the | station. Though this may cause the display image to become |
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display. | difficult to see, this is not a malfunction. |
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| – Locate the door station away from direct sunlight. |
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| – The image quality may be better if the angle of the door |
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| station is changed. |
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There is a small black dot in the | LIf the sun can be seen, its center appears as a black dot. This | ― | |
background. | is not a malfunction. |
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The image is flickering. | LAC (alternating current) lights such as fluorescent lights may | ― | |
| cause flickering in dark environments. This is not a malfunction. |
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The image displayed on the | LThe antenna on the sub monitor | Antenna | ― |
sub monitor station distorts or | station is being covered with your |
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is displayed slowly. (It takes | hand. Do not cover it. |
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5 seconds or more to be |
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displayed.) | LThe sub monitor station is too far from the main monitor | 7, 45 | |
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| station. Move closer to the main monitor station. If you install a |
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| repeater (optional), the image may be improved. |
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| LThere is an object such as a concrete wall obstructing the | ||
| signal. Move to a place without an obstacle. If you install a |
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| repeater (optional), the image may be improved. |
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| LA microwave or wireless LAN appliance is in use. Move closer | ||
| to the main monitor station or use a sub monitor station located |
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| away from those appliances. Try again. |
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SW250BX_OI.indb 47
2010/08/25 15:58:39