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Thumbwheel
Controls
Display
Monitoring Timer
Talk Timer
Ringtone Timer
Power Consumption
Voltage Input to Power Supply
Voltage Output from Power Supply
Operational Temperature Range
GENERAL NOTES
1. Do not put Indoor Monitor in wet areas.
2. Do not place the Indoor Monitor on an unstable
surface, to prevent malfunction or damage
caused by falls.
3. Keep Indoor Monitor out of the reach of small
children.
4. Please do not use needles and other sharp ob-
jects to press the Indoor Monitor buttons.
5. Please don't hit, shake or throw. Handle with
care.
6. Do not install near any electrical devices, dim-
mers, ballasts or high voltage wiring.
Alpha Communications •
Toll-Free Technical Line
Web: www.alphacommunications.com
Due to continuous product improvement, all colors, sizes, wiring and specifi cations are subject to change without notice.
VK237 2-Wire Video Intercom Kit
Installation Instructions
INDOOR MONITOR(S)
TECHNICAL SPECIFICATIONS
42 Central Drive
1-800-666-4800
©Copyright 2014-2015 Alpha Communications®. All Rights Reserved.
LAYOUT
A. 'MONITOR' Button
B. 'DOOR' Button 1
C. 'DOOR' Button 2 [NOT USED]
D. 'CALL ON/OFF' Button
E. Ringtone Volume Adjustment
F. Voice Volume Adjustment
G. Chroma/Contrast Adjustment
H. Brightness Adjustment
I. Microphone
FEATURES
1. Soft-Touch button operation
2. Two-Way voice communication
3. Dual door release options
4. Volume, brightness & contrast adjustable
5. Surface-mounted (low-profi le: 1" deep)
6. 2-Wire installation
7" Color TFT LCD Screen
30 seconds
120 seconds
30 seconds ringing, 90 seconds waiting
<0.5W (standby), <10W (operating)
100VAC-240VAC, 50/60Hz
18VDC, 1500mA
-13°F to 149°F (-25°C to 65°C)
CLEANING AND MAINTENANCE
1. Indoor Monitor is not water-proof and do not
use it in high humidity places, like bathrooms.
2. If the screen is dirty, use a soft, dry cloth to
gently wipe the screen.
WARNING
Please use the dedicated power supply provided
in this kit by Alpha Communications®. Use of any
other power supply will void the warranty and
may cause system damage.
•
Farmingdale NY 11735-1202
•
Phone: (631) 777-5500
•
Email: info@alphacommunications.com
Page 1
AWD188
Rev 3
03/2017
•
Fax: (631) 777-5599
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Related Manuals for Alpha VK237
Summary of Contents for Alpha VK237
- Page 1 Indoor Monitor buttons. Please use the dedicated power supply provided 5. Please don’t hit, shake or throw. Handle with in this kit by Alpha Communications®. Use of any care. other power supply will void the warranty and 6.
- Page 2 OUTDOOR REMOTE STATION(S) LAYOUT A. ‘CALL’ Button B. Name Holder C. Speaker D. CCD Camera E. Microphone F: LED Illuminators FEATURES 1. Aluminum alloy panel, vandal resistant 2. Water-resistant 3. Surface-mounted 4. Calling / Talking functions 5. Powered by indoor monitor 6.
- Page 3 SYSTEM WIRING & INSTALLATION IMPORTANT NOTE The End-of-Line Resistor Jumper The End-of-Line Resistor jumper is located on the back side of the monitor(s), accessible through the opening in the plastic housing. If your installation has only a single monitor, the black plastic end-of-line resistor jumper must remain in place on the monitor.
- Page 4 Side View Remote Installation Notes: • The proper height of monitor or door camera is between 63”-67” (160-170cm) from the ground. This may vary on each installation. View range should be actively tested before complete. • Viewing window of door camera is about 19.5” (50cm)vertically, and 27.5”...
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The Alpha VK237 manual explains how to unlock the door, but does not explain how to lock it. Can you provide some information about that? Thank you.