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6-9 If optional units are installed
1 When a separately-installed sensor detects a malfunction or CALL
button is pressed, the alarm sound occurs and the transmit LED (red)
flashes.
Prrrrrr
2 Press OFF button to stop the alarm sound.
1. The ararm sounds aren't interlocked with chime tone volume. The
alarm sounds at a level equivalent to 10 (HIGH) (fixed).
2. The length of the alarm sound varies depending on the
specifications of the connected monitor station.
3. When connecting with JK-1MD, the alarm sound stops after
30 seconds and restoration occurs even if OFF button is not
pressed.
7
TECHNICAL PRECAUTIONS Operating temperature: 0 C to 40 C (+32 F to +104 F)
The video image may distort when the door release is activated. But
this is not a unit malfunction.
Cleaning: Clean the units with a soft cloth dampened with a neutral
household cleanser. Do not use any abrasive cleaner or
cloth.
If there is a system malfunction, turn the POWER switch at the
monitor station OFF and back ON again. If this does not solve
the problem, unplug the DC power supply and contact a qualified
technician for service.
8
SPECIFICATIONS Power: DC 18 V
Current consumption: (Max.) 200 mA
Calling: Chime and image, approximately 45 seconds
Communication: <HANDS-FREE mode> Hands-free
<PTT mode> Press-to-talk, release to listen:
Communication time is based on the connected
monitor station.
Video monitor: 3-1/2" direct view TFT color LCD
Scanning lines: 525 lines
Dimensions: 185 (H) x 135 (W) x 27 (D) (mm)
7-5/16 (H) x 5-5/16 (W) x 1-1/16 (D) (inches)
Weight: Approx. 370 g (0.82 lbs.)
6-8 Backlight adjustment, Night sensitivity adjustment
To perform adjustment
1 Press ADJUST button when the screen is difficult to see.
Automatic adjustment to a more visible screen is performed.
<Day> <Night>
[Before adjustment] [Before adjustment]
[After adjustment] [After adjustment]
To halt adjustment
1 Press ADJUST button during adjustment.
NOTES: 1. Distinguishing between day and night is automatically done by
the door station.
2. Pressing ADJUST button at night makes the caller's face
easier to see, but moving subjects may be more difficult to see.
JK-1HD_multi.indb 10 2008/12/11 22:52:15