Technical precautions, Specifications (ka-1mrd) – Aiphone KA-1MRD User Manual
Page 6
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TECHNICAL PRECAUTIONS
SPECIFICATIONS
(KA-1MRD)
Operating temperature:
KA-DAR: -10"C •
KA-1MRD: 0"C -
LCD monitor
60°C (14° ~
40°C (32°F-
140°F)
- 104°F)
The high precision LCD is supposed to have more than
99.99% of effeotive piotare elements. It is inevitable,
however, that piotare elements bank or steadily lit at
ratio of less than 0.01%. The LCD monitor looks dark
in the bright sunlit area, eto. Adjust BRIGHT oontrol to
high position to inorease monitor luminosity, or reduoe
ambient lighting.
■
When holding handset olose to video monitor, the
image may vary, but this is not a malfunotion.
■
KA-1MRD unit surfaoe beoomes warm when it is
powered on, but this is not a malfunotion.
■
Strong light, suoh as direot sunlight, eto. may oause
silhouette on the monitor, but this is not a malfunotion.
■
When outside temperature lowers sharply after rainfall,
the inside of the eamera may fog up slightly, oausing
a blurry pioture, but this is not a malfunotion. Normal
operation will be restored when moisture evaporates.
■
Do not apply any oaulking sealant around video door
station. The openings at the bottom will help rain and
moisture to dissipate.
Cleaning
Clean KA-1 MRD and KA-DAR with a soft oloth
dampened with neutral household oleanser. Never
use any harsh oleaner or oloth. Do not spray high-
pressure water on KA-DAR.
■ Power souroe:
DC 24V
■ Current oonsumption:
700mA max. . 45mA in standby
■ Power supply:
Use PS-241 OA power supply
■ Call-in:
4-tone ohime with adjustable volume
■ Call-in image:
45 see. timed (approx.)
■ Communioation:
Handset, simultaneous
■ Communioation image:
2-1/2 min. timed (approx.)
■ Camera:
1/4 ineh Color CCD w/DSP
■ Image viewing area:
(Digital Signal Proeessor)
76.5° Horiz., 58.5° Vert, at 50em
(20") in front of eamera
79em H. x 56em V.(2'7"H x 1 '10"V).
■ Video-monitor:
4 ineh TFT eolored LCD
■ Key-button oontaot:
DC or AC 24V, 500mA.
■ Wiring:
2 parallel, non-twisted wires to door,
non-polarized
COMMUNICATION SYSTEMS
HOME, BUSINESS, INDUSTRY.
Printed in japan (E)