PRECAUTIONS
General Prohibitions | Prohibition to Dismantle the Unit | Prohibition on Subjecting the Unit to Water | General Precautions |
WARNING
(Negligence could result in death or serious injury.) 
1. Do not dismantle or alter the unit. Fire or electric shock could result.
2. Do not connect
3. Keep the unit away from water or any other liquid. Fire or electric shock could result.
4. Do not put any metal or paper into the unit through the openings. Fire, electric shock, or unit trouble could result.
5. High voltage is present internally. Do not open the case. Electric shock could result. 
6. Do not use a power supply with a voltage other than the specified. Fire or electric shock
could result.
CAUTION
(Negligence could result in injury to people or damage to
property.)
1. Do not place (install) the unit in locations subject to frequent vibration or impact. In- jury or damage could result if the unit falls.
2. Do not press on the LCD or subject it to high impact. The LCD glass could break which could result in an injury.
3. If the LCD is punctured, do not allow skin contact with the liquid crystal inside. Inflam- mation could result.
*If liquid crystal is ingested, immediately gargle with water and seek medical attention.
*If contact with the eyes or skin occurs, clean with pure water for at least 15 minutes and seek medical attention.
4. Do not install the unit in any of the following locations. Fire, electric shock, or unit trouble could result.
*Places under direct sunlight or places near heating equipment that varies in tempera- ture.
*Places subject to dust, oil, chemicals, etc.
*Places subject to moisture and humidity extremes, such as bathrooms, cellars, green- houses, etc.
*Places where the temperature is quite low, such as inside a refrigerated area or in front of an air conditioner.
*Places subject to steam or smoke (near heating or cooking surfaces).
*Where noise generating devices such as dimmer switches or inverter electrical appli- ances are close by.
5. Do not put anything on or cover the unit with cloth, etc. Fire or unit trouble could result.
6. For power supply, use Aiphone power supply model or model specified for use with system. If
7. When performing call tests or checking the chime volume or call volume, make sure the handset is placed on the main unit. Failure to do so may result in injury to the ears.
General Precautions
1.The unit turns inoperative during power failure.
2.In areas where broadcasting station antennas are close by, intercom system may be af- fected by radio frequency interference.
3.Keep the unit more than 1 m away from radios or TV sets.
4.Be careful about where the unit is used, as use of computers, televisions, or radios near the unit may affect transmission from the unit or cause unwanted noise.
5.When
6.If the unit is down or does not operate properly, turn off the unit's power supply.
7.The unit case may become warm with use, but this is not a unit malfunction.
8.If the surface of an entrance station freezes during wintertime, the picture may become difficult to see or the buttons may not move, but this is not a malfunction.
9.Security guard stations are for indoor use only. Do not use outdoors.
10.If a strong light shines on the main unit screen, the picture will turn white or only silhou- ettes will be visible. But this is not a unit malfunction.
11.As to other manufacturer's devices (such as sensor, detectors, door releases) used with this system, comply with the Specifications and Warranty conditions that the manufacturers or venders present.
12.If a cellular phone is used close by, the unit may malfunction.
13.The LCD panel is manufactured with very high precision techniques. Please be aware of this in advance.
14.Talk within 50 cm (20") or less from the unit. If you stand too far away, it may be difficult for the other person to hear the communication.
15.If there are loud noises around the unit (such as music playing or children crying), the sound may break up and be difficult to hear.
16.During communication, if you speak before the other person has finished talking, your voice may not come through clearly. Communication will proceed smoothly if you wait until the other person has finished before speaking.
17.The outline of video images displayed by an entrance station may differ from that of the actual person(s) or background, but this is not a malfunction.
18.When putting a hearing aid into
19.The sensor of an entrance station (integrated type) may activate due to moving shadows or moving tree branches, etc. and cause a message to display, but this is not a malfunction.
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