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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. High voltage is present internally. Do not open the case. Electric shock could result.
2. Do not dismantle or alter the unit. Fire or electric shock could result.
3. 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.
4. Keep the unit away from water or any other liquid. Fire or electric shock could result.
5. Do not put any metal or flammable material into the unit through the openings. Fire
or electric shock could result.
6. Do not use power supply with a voltage other than specified. Fire or electric shock
could result.
7. Do not connect any terminal on the unit to an AC power line. Fire or electric shock
could result.
CAUTION
(Negligence could result in injury to people 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. Before turning on power, make sure wires are not crossed or shorted. If not, fire or
electric shock could result.
3. 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.
4. For power supply, use Aiphone power supply model or model specified for use
with system. If non-specified product is used, fire or malfunction could result.
5. 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
temperature.
* Places subject to dust, oil, chemicals, etc.
* 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 close by.
* Do not install the unit in locations subject to frequent vibration or impact.
6. Do not put anything on the unit or cover the unit with cloth, etc. Fire or unit trouble
could result.
7. Do not press on the LCD or subject it to a high impact. The LCD glass could be
punctured and result in an injury.
8. 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 for at least 15 minutes
and seek medical attention.
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, the intercom system may be
affected 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. Keep the intercom wires at least 30 cm (12") away from AC 100-240 V lines. Noise
and malfunction could result.
6. If the unit is down or does not operate properly, unplug the power supply or turn off
the JK-1MED and JK-1HD (JK-1SD) POWER switches.
7. The unit is for wall-mount use only. For desktop applications, use desk stand.
8. When wall-mounted, the top of the unit may darken. This does not indicate a
malfunction.
9. The unit case may become warm with use, but this is not a unit malfunction.
10. If a cellular phone is used close by, the unit may malfunction.
11. The LCD panel is manufactured with very high precision techniques. Small portions
of the panel may fail to light up or some portions may be constantly lit, but this does
not indicate a unit malfunction. Please be aware of this in advance.
12. Refrain from using the color monitor station in sunlit areas.
13. At night, due to reduced lighting on the object, the monitor sees more noise and the
face becomes more difficult to see, but this is not malfunction.
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. At a gate or porch illuminated by a fluorescent lamp, the picture may vary, but this is
not a malfunction.
18. When outside temperature lowers sharply after rainfall, etc., the inside of the camera
may fog up slightly, causing a blurry picture, but this is not a malfunction. Normal
operation will be restored when moisture evaporates.
19. Due to the environmental sound around the unit, it may hinder smooth communication,
but this is not a malfunction.
20. The outline of video images displayed by video door station may differ from that of
the actual person(s) or background, but this is not a malfunction.
21. If the screen of a video door station freezes during wintertime, the picture may become
difficult to see or the CALL button may not move, but this is not a malfunction.
22. Aiphone assumes no responsibility for corruption of saved information (such as
changes to or deletion of saved information). Please be aware of this in advance.
23. This unit is not compatible with JA, JF, KB, and KC series units.
24. Warm-color lighting shining on the door station may change the tint of the picture on
the monitor.
1
PACKAGE CONTENTS
JK-1MED
Mounting screws x 2
Wood mounting screws x 2
Option connector
Installation & Operation manual