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. Keep the unit away from water or any other liquid. Fire or electric shock could result. 
3. Do not put any metal or flammable material into the unit through the openings. Fire or
electric shock could result.
CAUTION
(Negligence could result in injury to people or damage to
property.)
1. 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.
2. Do not put anything on the unit or cover the unit with cloth, etc. Fire or unit trouble could result.
3. 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.
4. Do not place (install) the unit in locations subject to frequent vibration or impact. In- jury or damage could result if the unit falls.
General Precautions
1.Keep the unit more than 1 m away from radio or TV set.
2.This unit is for indoor use only. Do not use outdoors.
3.In areas where broadcasting station antennas are close by, intercom system may be af- fected by radio frequency interference.
4.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.
5.If the unit is down or does not operate properly, turn off the power supply.
6.The unit is for
7.The unit case may become warm with use, but this is not a unit malfunction.
8.If a cellular phone is used close by, the unit may malfunction.
9.The unit turns inoperative during power failure.
10.When putting a hearing aid into
11.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.
12.When
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