Transcript INTEGRUS Technical Installation and Operating
Installing and Operating a System
System connections
Signal delay calculation
Programming the Transmitter
Testing the reception quality
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Connecting the DCN Next Generation system
The transmitter can be directly connected to the optical network of the DCN Next Generation conference system by means of an optical network cable Network mode must be enabled 2 Security Systems Integrus Tech IO
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Connecting the DCN system
The transmitter requires the DCN Interface Module The connections between DCN units and the transmitter are made in a loop-through configuration.
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DCN interface module
For interfacing with DCN Allows simultaneous interpretation generated by DCN LBB3423/20 4 Security Systems Integrus Tech IO
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Connecting the CCS800 and Interpreter desks
The transmitter requires the Symmetrical Audio Input and Interpreters Module.
Up to 12 6-Channels interpreter desks can be loop-through connected to the module.
The floor signal for the interpreters desk is connected to the Aux-Left input of the transmitter.
The floor signal from a CCS 800 discussion system line output or from an external audio source, such as an audio mixer.
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Symmetrical Audio Input Module
For use with analogue audio systems with 8 symmetrical Inputs Up to 12 6-Channels interpreter desks LBB3222/04 Automatic floor selection for unused interpretation channels LBB3422/20 6 Security Systems Integrus Tech IO
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Symmetrical Audio Input Module
T T T T T T T T T=optional (Beyer type TR/BV3)
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Settings on the Audio Input Module
Floor audio connection from CPSU line output to Aux. input of infra-red transmitter 8 Security Systems Integrus Tech IO
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Maximum cable length to interpreters’ desks
Maximum Up to 12 6-Channels interpreter desks can be loop-through connected to the module.
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Interface connection to Recording System
Audio 1 input Audio 2 input Audio 3 input Audio 4 input Audio 5 input Audio 6 input Audio 7 input Audio 8 input Audio Comm Audio AF Supply (+12V) Supply (+12V) Supply (- 12V) Supply (- 12V) Earth
1 14 4 18 2 16 5 17 7 19 8 22 6 20 11 23 9 21 3 15 24 25 12 13 10 LBB3422/20 Symmetrical Audio Input Module FL. CH.1 CH.2 CH.3 CH.4 CH.5 CH.6
To recording system 3,3uF/25V 10 Security Systems Integrus Tech IO
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OR Floor Channel Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Busy in Comm.
OR2 Auto Relay Supply (+27V) Supply (+27V) Ground Ground Earth
1 14 4 18 2 16 5 17 7 19 8 22 6 20 11 23 9 21 3 15 24 25 12 13 10
To be made locally
I n t e r p r e t e r ‘s D e s k LBB3222/04 6-Channel Interpreter’s Desk
Connecting other external audio sources
The audio signals (stereo or mono) are connected to the audio input cinch connectors.
When the cinch audio inputs are used in combination with inputs via one of the interface modules, the signals on corresponding channels are mixed.
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Connecting an emergency signal switch
To use the emergency signal function, a switch (normally-open) must be connected to the emergency switch connector. When the switch is closed, the audio signal on the Aux-right input is distributed to all output channels, overriding all other audio inputs.
The Aux. Input mode of the transmitter must be set to ‘Mono + Emergency’ 12 Security Systems Integrus Tech IO
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Connecting to another transmitter
The transmitter can operated in slave mode to loop-through the IR radiator signals from a master transmitter. One of the six radiator outputs of the master transmitter is connected with an RG59 cable to the radiator signal loop-through input of the slave transmitter. The Transmission mode of the slave transmitter must be set to ‘Slave’ 13 Security Systems Integrus Tech IO
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Connecting radiators to transmitter
The transmitter has six BNC connectors on the rear panel. They can each drive up to 30 radiators in a loop-through configuration. The radiators are connected with RG59 cables (75 Ohm).
The maximum cable length per output is 900 m. Automatically cable termination by a built-in detection circuit.
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Connecting radiators to transmitter
Notes:
Never leave an open-ended cable connected to the last radiator in a loop through chain.
When connecting infra-red radiators, do not split the cable, else the system will not function correctly.
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Signal delay calculation
Setting the radiator delay compensation switches
Differences in cable length between the transmitter and the radiators can cause black spots as a result of the multipath effect. The IR signal from a radiator with a long cable is delayed with respect to the signal from a radiator with a shorter cable.
To compensate these cable length differences, the delay of a radiator can be increased to make it equal to the signal delay of the other radiators.
This signal delay can be set with delay switches at the back of the radiator.
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Signal delay calculation
Two ways for determining delay compensation switch positions of the radiator.
1.
By measuring the
cable lengths
1.1
Manual 1.2
delay switch calculation tool (recommended) 2.
By using a
delay measuring tool
2.1
Manual 2.2
delay switch calculation tool (recommended) 17 Security Systems Integrus Tech IO
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Signal delay calculation 1.1
To determine the delay switch position based on
cable lengths
and
calculating manually
follow the next steps: 1.
Measure the lengths of the cables between the transmitter and each radiator.
2.
Multiply these cable length differences with the cable signal delay per meter
(the manufacturer specified factor).
This is the cable signal delay difference for that radiator.
3.
Determine the maximum signal delay.
4.
Calculate for each radiator the signal delay difference with the maximum signal delay.
5.
Divide the signal delay difference by 33. The rounded off figure is the signal delay switch position for that radiator.
6.
Set the delay switches to the calculated switch positions.
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Cable Measuring
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Signal delay calculation 1
Transmitter
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Signal delay calculation 1.2
To determine the delay switch position based on
cable lengths
and the
delay switch calculation tool
follow the next steps: 1.
Start the calculation tool 2.
Select system type 3.
Fill-in the cable signal delay per meter of the used cable. (
specified by the cable manufacturer
).
4.
Fill-in the number of radiator(s) on each output 5.
Fill-in the measured cable lengths of the cables between the transmitter and each radiator. 6.
Set the delay switches on the radiator(s) to the automatically calculated switch positions.
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Calculation tool
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Signal delay calculation 2.1
To determine the delay switch position by
delay measuring tool
calculating
manually
follow the next steps: and 1.
Disconnect the cable from a radiator output of the transmitter and connect this to a delay measurement tool.
2.
Disconnect the cable from the first radiator in that trunk. 3.
Measure the impulse response time (in ns) of the cable(s) between that transmitter and the radiator.
4.
Reconnect the cable to the radiator and repeat steps 2 to 4 for the other radiators (
started by the next radiator in that trunk
).
5.
Reconnect the cable to the transmitter and repeat step 2 to 5 for the other radiator outputs of the transmitter.
6.
Divide the impulse response times for each radiator by two. These are the cable signal delays for each radiator. 21 Security Systems Integrus Tech IO
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Signal delay calculation 2.1
7.
Determine the maximum signal delay.
8.
Calculate for each radiator the signal delay difference with the maximum signal delay.
9.
Divide the signal delay difference by 33. The rounded off figure is the delay switch position for that radiator.
10.
Set the delay switches to the calculated switch positions.
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Delay Measuring
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Signal delay calculation 2.2
584 ns 350 ns 237 ns 563 ns 339 ns
Transmitter
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Signal delay calculation 2.2
To determine the delay switch position by
delay measuring tool delay switch calculation tool
the follow the next steps: and the 1.
Start the calculation tool, Select system type, Fill-in the number of radiator(s) on each output 2.
Disconnect the cable from a radiator output of the transmitter and connect this to a delay measurement tool.
3.
Disconnect the cable from the first radiator in that trunk. 4.
Measure the impulse response time (in ns) of the cable(s) between that transmitter and the radiator.
5.
Enter this impulse response time in the calculation tool.
6.
Reconnect the cable to the radiator and repeat steps 2 to 4 for the other radiators (
started by the next radiator in that trunk
).
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Calculation tool
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Signal delay calculation 2.2
7.
Reconnect the cable to the transmitter and repeat step 2 to 5 for the other radiator outputs of the transmitter.
8.
When the cable signal delays are known, the delay switch calculation tool will calculate the delay switch positions automatically.
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Calculation tool
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Signal delay calculation with more transmitters
When radiators in one multi purpose room are connected to two transmitters, an extra signal delay is added by: Transmission from master transmitter to slave transmitter ( cable signal delay ). Transmission through the slave transmitter. 26 Security Systems Integrus Tech IO
Calculation tool
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Signal delay calculation with more transmitters
For calculating the delay switch positions for a system with a master-slave configuration, use the following procedure: 1.
Calculate the cable signal delay for each radiator, using the procedures for a system with one transmitter.
2.
Calculate the signal delay of the cable between the master and the slave transmitter in the same way as for cables between a transmitter and a radiator.
3.
Add to the cable signal delay of the cable between the master and the slave, the delay of the slave transmitter itself: 33 ns. This gives the master-to-slave signal delay.
4.
Add the master-to-slave signal delay to each radiator connected to the slave transmitter.
5.
Determine the maximum signal delay.
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Signal delay calculation with more transmitters
6.
Calculate for each radiator the signal delay difference with the maximum signal delay.
7.
Divide the signal delay difference by 33. The rounded off figure is the signal delay switch position for that radiator.
8.
Set the delay switches to the calculated delay switch positions.
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Signal delay calculation with more transmitters
20m R10 30m R9 R7 R5 20m 20m R8 R3 20m Tx Slave R6 R4 30m 30m 50m 20m Tx Master R2 20m R1 30m
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Signal delay calculation with more transmitters
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Radiation signal delay
A situation in which a radiation signal delay occurs. For systems with
more than four carriers
, add one delay switch position per 10 meter difference in signal path length to the radiators which are closest to the overlapping coverage area. In this Figure the signal path length difference is 12 meter. Add one delay switch position to the calculated switch position(s) for the radiator(s) under the balcony.
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Transmitter menu structure
Transmitter Status
0
Fault Status
1
Monitoring
2
Enquiry
3
Setup
4
Back
<
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Transmitter menu structure
Transmitter Status
0
Fault Status
1
Monitoring
2
2A
Source and Volume Enquiry
3
Setup
4
Back
<
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Transmitter menu structure
Transmitter Status Fault Status Monitoring
0 1 2
3C
FPGA Version
3B
HW Version
3A
Serial Number
3D
SW Version Enquiry
3
Setup
4
Back
<
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Transmitter menu structure
Transmitter Status
0
Fault Status Monitoring Enquiry
1 2 3
4I 4K
Sensitivity Aux. Right
4J
Sensitivity Aux. Left Aux. Input Mode
4H
Carrier Overview
4D 4E 4G
Carrier Settings
4F
Channel Name Language List Channel Quality
4C
Number of Channels
4B
Network Mode
4M 4P
Defaults
4O
Headphone on/off
4N
Mini Radiator on/off Unit Name
4L
Sensitivity Inputs
4A
Transmission Mode Setup
4
Back
<
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Testing the reception quality
An extensive reception quality test must be done to make sure that the whole area is covered with IR radiation of adequate strength. Such a test can be done during installation and during the meeting:
Test during installation:
1.
Check that all radiators are connected and powered up and that no loose cables are connected to a radiator. Switch the transmitter off and on. (needed for the auto signal equalisation) 2.
Set the transmitter in the Test-mode. For each channel a different frequency test tone will be transmitted. 3.
Set a receiver on the highest available channel and listen via the headphones to the transmitted test tone. 4.
For testing all positions follow the instruction of chapter 1.6 of the Integrus ‘Installation and Operating Instructions’ 36 Security Systems Integrus Tech IO
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Testing the reception quality
Testing during the meeting:
1.
Set a receiver in the Test-mode and select the highest available carrier. The quality of the received carrier signal is indicated on the display of the receiver.
The quality indication should be between 00 and 39 (good reception).
2.
For testing all positions follow the instruction of chapter 1.6 of the Integrus ‘Installation and Operating Instructions’ 37 Security Systems Integrus Tech IO
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Installing and Operating a System
End of section
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Integrus menu
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