Trango Systems VST2500 Wireless Video/Audio Alarm TX User Manual manual

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Document ID	93567
Application ID	DaZv9uHzYAL79RTJoM84kg==
Document Description	manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Microsoft Word - pdf
Filesize	12kB (150017 bits)
Date Submitted	2000-03-29 00:00:00
Date Available	2000-06-20 00:00:00
Creation Date	2000-03-29 08:05:11
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2000-03-29 08:05:13
Document Title	manual

STINGRAY
2.4 GHz Wireless Video/Audio/Alarm Transmission System
Installation
and
Operating Instructions
1• Verify proper operation of camera and monitor/event recorder using coaxial cable prior
to installing wireless link per the diagram below.
2• Connect the power adapter to the #6 terminals on the transmitter and receiver units per
the picture below.
3• Install transmitter (VST2500) and receiver (VSR2500) units in desired location to a wall
using the supplied mounting hardware as shown below. For optimum performance the units
should be mounted at a height of 6-7 feet above the ground and no more than 300 feet apart.
4• Connect the video audio and alarm inputs and outputs, following the color sche mes on
the cables and connectors.
5• Plug the AC adapters into the wall outlet. The LED on the unit should come on and blink
several times. The numbe r of blinks indicates the channel. Both units must be on the same
channel for proper operation.
6• Adjust the units until the best picture is obtained. Normally this will occur when the
units are oriented as shown below, but in some cases the best picture may occur when the
units are not aime d directly at each other.
7• After the picture has been optimized tighten the bracket down using the knob on the side
of the bracket as shown below.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Congratulations on choosing Trango Systems, Inc. to fulfill your wireless video needs. Unpack
your system carefully. If any items are missing, notify your sales representative. If an item
appears to be damaged from shipment, replace it in its packing material and notify the shipper.
Save the packaging for further storage of the equipment.
Service:
If the unit ever needs repair service, contact your Trango Systems, Inc. distributor for
return authorization and shipping instructions.
FCC Information:
Note: This equipme nt has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipme nt generates, uses, and can radiate radio frequency energy, and if not
installed and used in accordance with these instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipme nt does cause harmful interference to
radio or television reception, which can be determined by turning the equipme nt off and
on, the user is encouraged to correct the interference by one of more of the following
measures:
1) Reorient the receiving antenna;
2) Increase the separation between the affected equipment and the receiver;
3) Connect the affected equipme nt to an outlet on a different circuit from that
which the receiver is connected to;
4) Consult the dealer and/or experienced radio/TV technician for help.
VST2500: # NCYVST2500
CANADA: XXTBDXXX
IMPORTANT NOTE:
Intentional or unintentional changes or modifications not expressly approved by the
party responsible for compliance must not be made. Any such modifications could void
the user’s authority to operate the equipme nt and will void the manufacturer’s
warranty.
System Description:
The STINGRAY Wireless Video System is a professional quality system designed for
sending composite NTSC or PAL video, audio, and alarm signals using 2.4 GHz wireless
technology. The system consists of a VST2500 transmitter, VSR2500 Receiver, and
power adapters. The system is ideal for permanent or temporary video links due to its
portable nature and easy installation. It is not designed for operation while in motion.
It is not designed for outdoor operation
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Installation Hints:
The STINGRAY system is factory-configured for operation on channel 1 with right and
left audio operational. The system has a very directional transmission pattern that
increases the transmission range while rejecting interference. If installed properly, the
system will provide superior picture quality, even when transmitting through walls in a
typical home or office setup.
To obtain the best picture quality and transmission distance, the following rules of thumb
should be followed:
1) Mount the transmitter and receiver antennas above human and mechanical traffic
but away from metallic objects.
2) Keep the transmission path as open as possible. Objects such as walls, ceilings
and metallic objects near the transmission path can reflect signals and may reduce the
transmission distance.
3) If operating more than one system in an area, set the channels as far apart as
possible on each system (i.e. system 1 use channel 1, system 2 use channel 4).
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Figure 2 shows the interior of the VST2500 transmitter and the functions of each control and
input/output.
IMPORTANT NOTE: Any modification to the antenna unit may void the user’s
authority to operate the equipment and will void the manufacturer’s warranty.
CAUTION
DO NOT APPLY VOLTAGE TO THE ALARM PINS. DAMAGE TO THE
UNIT WILL RESULT.
1. Power – 6-12 Volts DC
2. Alarm 1/2 inputs – DRY
CONTACT ONLY
3. Right audio input – 1 Vpp 600
Ohm terminated RCA-F
4. Left audio input – 1 Vpp 600
Ohm terminated RCA-F
5. Stereo/Alarm switch
6. Video input – 75 Ohm
terminated RCA-F
7. Channel DIP switch
8. Status LED
• FIGURE 2•
Copyright © 1999 Trango Systems, Inc. All rights reserved.
2.4GHz Transmitter Inputs & Controls:
1. POWER INPUT
Accepts a 6-12 Vdc power source such as the standard 7 Vdc adapter (Trango part
number PT07800-1), or an optional battery. The nominal current draw is 145
milliamperes. If using an adapter from a third party, use a well-regulated 200 mA
minimum output supply. Do not use the PT07800-1 to power a camera or video
distortion may occur.
2. ALARM INPUTS
These inputs are used to send alarm signals to the receiver. They sense an open or
closed state and reflect that state to the receiver whenever it changes. The alarm
inputs operate independently of each other. The transmitter is capable of sending
either alarms or stereo audio, selectable via the Stereo/Alarm switch.
3/4. RIGHT & LEFT AUDIO INPUTS
Designed to mate to standard RCA connectors, each input accepts 1 Vpp audio input
and is terminated with 600Ω unbalanced configuration. It is designed to interface to
“lineout” audio sources. A preamplifier must be used to connect a microphone to this
input.
5. STEREO/ALARM SWITCH
When this switch is in the “R Audio Active” position, stereo audio transmission is
enabled. This permits the transmission of stereo audio with no alarms. When it is in
the “Alms Active” position, R audio is disabled. In its place, the alarms are
transmitted. The left audio(mono) is always active.
6. VIDEO INPUT
Designed to mate to a standard RCA-F connector, this input accepts 1Vpp video in
both NTSC and PAL formats. This input is terminated with 75Ω. RCA-BNC
adapters are available for use with some cameras and VCRs.
7. CHANNEL DIP SWITCH/ STATUS LED
This switch controls the transmitter channel. Remember to change the receiver
channel as well, since it is not automatically changed when the transmitter channel is
changed. The status LED will blink to indicate the channel number after the switch
is changed.
CAUTION
DO NOT APPLY EXTERNAL VOLTAGES TO THE ALARM INPUTS AS
PERMANENT DAMAGE TO THE UNIT MAY RESULT. USE ONLY DRY
CONTACTS WITH THESE INPUTS.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
Figure 4 shows the front panel of the VSR2500 receiver and the functions of each control and
input/output.
1. Power – 6-12 Volts DC
2. Alarm 1/2 relay outputs – 1
Amp 40 Volt AC/DC Rated
3. Right audio output – 1.5 Vpp
RCA-F
4. Left Audio output – 1.5 Vpp
RCA-F
5. Stereo/Alarm switch
6. Video output-75 Ohm
terminated RCA-F
7. Channel DIP switch
8. Status LED
• FIGURE 4 •
Copyright © 1999 Trango Systems, Inc. All rights reserved.
2.4GHz Receiver Inputs/Outputs & Controls:
1. POWER INPUT
Accepts a 6-12 Vdc power source such as the standard 7 Vdc adapter (Trango part
number PT07800-1), or an optional battery. The nominal current draw is 400
milliamperes. If using an adapter from a third party, use a well-regulated 612Vdc/500mA output supply.
2. ALARM OUTPUTS
These are dry contact relay outputs which can sink 1 ampere at 40 V AC/DC. When
the corresponding transmitter alarm input closes or opens, this output will close and
open as well. Consider these outputs mirrors of the transmitter alarm inputs. These
outputs are independent and can be used to turn on peripheral devices such as video
recorders and audible alarms.
3/4. RIGHT & LEFT AUDIO OUTPUTS
Designed to mate to a standard RCA male connector, this provides a 1.5 Volt peakto-peak audio output and should be terminated in a minimum 600 Ω load, as is found
in most “line in” audio inputs.
5. STEREO/ALARM SWITCH
When this switch is in the “R Audio Active” position, stereo audio transmission is
enabled. This permits the transmission of stereo audio with no alarms. When it is in
the “Alms Active” position, alarm transmission is enabled. Left audio reception is
always enabled.
7. VIDEO OUTPUT
Designed to mate to a standard RCA male connector, this provides a 1 Volt peak-topeak video signal output. This must be terminated with 75 Ω. RCA to BNC adapters
are available for use with some monitors and VCR inputs.
8. CHANNEL DIP SWITCH/ STATUS LED
This switch controls the receiver channel. Remember to change the transmitter
channel as well, since it is not automatically changed when the receiver channel is
changed. The status LED will blink to indicate the channel number after the switch
is changed.
CAUTION
DO NOT APPLY EXTERNAL VOLTAGES TO THE ALARM OUTPUTS.
PERMANENT DAMAGE TO THE UNIT MAY RESULT.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
INTERFERENCE
If interference such as lines in the pictures is observed, changing the transmission
channel may cure the problem.
Also, AC generators in close proximity to the transmitter or receiver may cause lines
in the picture. Move the unit away from the source of the interference.
NO PICTURE
Check that the transmit and receive channels are set the same, and make sure the
LED is glowing.
Verify all connectors are tight.
POOR PICTURE QUALITY
Raise transmitter and receiver antennas above ground and away from obstacles and
traffic, including foot traffic.
VIDEO TOO DARK
Make sure that any monitors/peripheral equipment connected to the video source are
set to high impedance termination since the VTX2500 has a built-in 75 Ω
termination.
VIDEO TOO BRIGHT
Make sure that the receiver video output line is terminated with 75 Ω.
Check the Technical Support section of our website at http://www.trangosys.com/ for
additional assistance.
Copyright © 1999 Trango Systems, Inc. All rights reserved.
VST2500 Transmitter
RADIO SECTION:
Frequencies:
RF Output Power:
VIDEO SECTION:
Input Level:
Input Impedance:
AUDIO SECTION:
Input Level:
Input Impedance:
ALARM SECTION:
Input Level:
POWER SECTION:
Input Voltage:
Channel 1:
Channel 2:
Channel 3:
Channel 4:
2413 MHz
2432 MHz
2451 MHz
2470 MHz
Meets FCC Part 15.249 radiated field strength of 50 mV/m at 3
meters with CP omni or CP patch antenna provided with unit.
1Vpp per NTSC/PAL standard
75Ω unbalanced
1 Vpp Nominal
600 Ω
Normally open contact closure input on both Alarm 1 and Alarm
2. The current state of the input (open or closed) is transmitted
to the receiver which reflects the transmitter alarm input states.
DO NOT APPLY VOLTAGES TO THESE INPUTS AS
DAMAGE TO THE UNIT WILL OCCUR.
7 Vdc nominal, 6-12 Vdc range
Current Consumption: 145 mA typical
Max. Ripple Input:
MECHANICAL:
Material:
1 Vpp
Cold Rolled Steel with ABS radome
Finish:
Off-white powdercoat
Size:
x” W x y”L x z”H without antenna
Weight:
xxxx lb
Copyright © 1999 Trango Systems, Inc. All rights reserved.
ENVIRONMENTAL:
Operating Temp.:
0 to 50 ºC
Storage:
-40 to 85 ºC
VSR2500 Receiver
VIDEO SECTION:
Video 3dB BW:
5.8 MHz (Conforms with NTSC/PAL standard)
Video Diff. Gain:
< 5%
Video Diff. Phase:
< 5 degrees
Chr. To Lum. Gain:
70% to 107%
Chr. To Lum. Delay:
±60 nS
Output Load Imp.:
75 Ω
DC Clamping:
Back Porch with 0 V typical DC offset
AUDIO SECTION:
Audio Bandwidth:
50 Hz to 15 kHz (3 dB)
Output Load Imp.:
600 Ω
Output Level:
1.5 Vpp typical
ALARM SECTION:
Data Rate:
19,200 bps
Coding Scheme:
32 bit command/address, 8 bit data with checksum
Output Level:
Reflects state of transmitter alarm inputs – updated twice per
second
POWER SECTION:
Input Voltage Range:
Max. Ripple Input:
7 Vdc nominal, 6-12 Vdc
1 Vpp
Current Consumption: 400 mA nominal
10
Copyright © 1999 Trango Systems, Inc. All rights reserved.
MECHANICAL:
Material:
Cold Rolled Steel with ABS radome
Finish:
Off-white powdercoat
Size:
x” W x y”L x z”H without antenna
Weight:
xxx lb
ENVIRONMENTAL:
Operating Temp.:
0 to 50 ºC
Storage:
-40 to 85 ºC
Humidity:
95% non-condensing
11
Copyright © 1999 Trango Systems, Inc. All rights reserved.

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