Aiphone JOS-1A, Installation & Operation Manual, Page: 2 / 64

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2
PRECAUTIONS
Prohibited Do not dismantle unit Keep unit away from 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. High voltage is present internally. Do not open the case.
Electric shock could result.
4. Do not connect any non-specified power source to the +, - terminals.
Also, do not install two power supplies in parallel to a single input.
Fire or damage to the unit could result.
5. Do not use power supply with a voltage other than specified.
Fire or electric shock could result.
6. Do not put any metal or flammable material into the unit through the openings.
Fire, electric shock, or unit trouble could result.
7.
The unit must be installed and wired by a qualified technician.
CAUTION
Negligence could result in injury or damage to property.
1. Do not install or make any wire terminations while power supply is plugged in. It
can cause electrical shock or damage to the unit.
2. When mounting the unit on a wall, install the unit in a convenient location, but not
where it could be jarred or bumped. Injury could result.
3. Before turning on power, make sure wires are not crossed or shorted. Fire or
electric shock could result.
4. Do not install the unit in locations subject to frequent vibration or impact. It may
fall or tip over, resulting in damage to the unit or personal injury.
5. For power supply, use Aiphone power supply model specified for use with system.
If non-specified product is used, fire or malfunction could result.
6. Do not put anything on the unit or cover the unit with cloth, etc.
Fire or unit trouble could result.
7. Do not install the unit in any of the following locations.
Fire, electric shock, or unit trouble could result.
* Places under direct sunlight or near heating equipment that varies in temperature.
*
Places subject to dust, oil, chemicals, hydrogen sulfide (hot spring).
* Places subject to moisture and humidity extremes, such as bathrooms, cellars,
greenhouses, 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
appliances are closeby.
* Locations subject to frequent vibration or impact.
8.
Do not apply high pressure on the screen. If fractured, injury could result.
9. If the LCD is punctured, do not allow skin contact with the liquid crystal inside.
Inflammation 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 and seek medical
attention.
GENERAL PRECAUTIONS
1. Keep the unit more than 1m (3.3 ' ) away from radio or TV set.
2. Keep the intercom wires more than 30cm (12 '' ) away from AC 100-240V wiring. AC
induced noise and/or unit malfunction could result.
3. Comply with all third party manufacturing specifications that will be used with this
system (sensors, door releases, etc.).
4. If the unit is down or does not operate properly, unplug the power supply.
5. When wall-mounted, the top of the unit may darken. This does not indicate a
malfunction.
6. The unit case may become warm with use, but this is not a unit malfunction.
7. If the unit is used near a cellular phone, the unit may malfunction.
8. The unit can be damaged if dropped. Handle with care.
9. The unit will not work during power failure.
10. In areas where broadcasting station antennas are close by, the intercom system may be
affected by radio frequency interference.
11. All the units, except for door stations, are designed for indoor use only.
Do not use at outdoor locations.
12. This product, providing door release, should not be used as a crime prevention device.
13. Please note the LCD panel, though manufactured with very high precision techniques,
inevitably will have a very small portion of its image elements always lit or not lit at
all. This is not considered a unit malfunction.
14. Environmental sound around the unit may hinder smooth communication, but this is
not a malfunction.
15. At night, due to reduced lighting on the object, the screen sees more noise and faces
become more difficult to see, but this is not a malfunction.
16. For hands-free communication:
If you stand too far away, it may be difficult for the other person to hear the
communication.
17. 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.
18. 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.
19. At a gate or porch illuminated by a fluorescent lamp, the image may vary, but this is
not a malfunction.
20. The outline of video images displayed by the video door station may differ from that
of the actual person(s) or background, but this is not a malfunction.
21. If the surface of a video door station freezes during wintertime, the image may
become difficult to see or the call button may not move, but this is not a malfunction.
22. Warm-color lighting shining on the video door station may change the tint of the
image on the screen.
23. When outside temperature lowers sharply after rainfall, etc., the inside of the camera
may fog up slightly, causing a blurry images, but this is not a malfunction. Normal
operation will be restored when moisture evaporates.
24. When the unit’s screen is illuminated with strong light, the image looks white or
silhouetted, but this is not a malfunction.
NOTICES
* We will under no conditions be liable for damage occurring due to the inability to
communicate due to malfunctions, problems, or operational errors in this product.
* We will under no conditions be liable for any damages or losses resulting from this
product’s contents or specifications.
* This manual was created by Aiphone Co., Ltd., all rights reserved. Copying, in part
or in whole, this manual without prior permission from Aiphone Co., Ltd. is strictly
forbidden.
* Please note that images and illustrations depicted in this manual may differ from the
actual ones.
* Please note that this manual may be revised or changed without prior notice.
* Please note that product specifications may be changed for the sake of improvement
without prior notice.
* This system is not intended for life support or crime prevention. It is a supplementary
means of conveying information. Aiphone will under no conditions be liable for loss of
life or property which occurs while the system is being operated.
* Lighting adjustments are made automatically by the door station. Adjustment results
may vary depending on installation environment.