MODEL VS-4
User’s Manual
CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S. 800-959-6439
FREE technical support, Call 714-641-6607 or fax 714-641-6698
Mail order: Hall Research
Web site: www.hallresearch.com • E-mail: info@ hallresearch.com
1163 Warner Ave. Tustin, CA 92780
UMA1083 Rev. 1.5
VS-4
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General .......................................................................................... 2
Supported Systems and Peripherals.............................. 2
Features........................................................................................2
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Modes of Operation................................................................. 4
Front-Panel Switches............................................................. 4
RS-232 control via Hyper Terminal................................. 5
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FEDERAL COMMUNICATIONS COMMISSION
AND CANADIAN DEPARTMENT OF COMMUNICATIONS
RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio frequency energy and if not
installed and used properly, that is, in strict accordance with the manufacturer’s
instructions, may cause interference to radio communication. It has been designed and
found to comply with the limits for a Class A computing device in accordance with the
specifications in Subpart B of Part 15 of FCC rules, which are intended to provide
reasonable protection against such interference when the equipment is operated in a
commercial environment. Operation of this equipment in a residential area is likely to
cause interference, in which case the user will be required to take whatever measures may
be necessary to correct the interference at his/her own expense. Changes or modifications
not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise emission from
digital apparatus set out in the Radio Interference Regulation of the Canadian
Department of Communications.
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VS-4
IInnttrroodduuccttiioonn
General
The Model VS-4 is a versatile, compact, high performance, solid-state,
4 input x 1 output, VGA video switch that can operate at resolutions of
up to 1600x1200.
The unit allows one monitor to be switched between 4 video sources.
The unit is housed in a small RFI shielded enclosure and is supplied
with an AC power adapter and a Serial (RS-232) control cable for
connecting to a PC or other serial control device.
The device terminates all video inputs and buffers the output to protect
signal integrity. The Model VS-4 can drive video cables to 150 feet or
more. The input and output connectors are all HD15 Female.
There are several ways to control the VS-4. There are 4 buttons on the
front of the VS-4, each corresponding to a VGA input signal and there
is a serial port on the back of the VS-4. The serial port is used to
control the VS-4 via a hyper terminal application on a PC. The unit
features Auto and Scan modes that can be invoked either from front
panel or by serial commands as well.
Supported Systems and Peripherals
• All VGA and RGBHV signals via HD-15 connectors
Features
• Can be controlled manually, via Serial port, or automatically
based on video
• Output can be blanked
• User assigned priorities in Auto mode
• Front panel buttons may be locked out
• Infinite switching cycle life
• Can drive long cables
• Terminates input signals and buffers the output for best integrity
• Includes power adapter and serial cables for control
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