INTEGRUS | Digital Infra-red Language Distribution System
en |
3
BOSCH Security Systems | February 2003
Table of contents
1
System description and planning ............................................................................................................................... 5
1.1
System overview .......................................................................................................................................................................................... 5
1.2
System technology....................................................................................................................................................................................... 7
1.2.1
IR radiation...................................................................................................................................................................................... 7
1.2.2
Signal Processing ............................................................................................................................................................................ 7
1.2.3
Quality modes ................................................................................................................................................................................. 8
1.2.4
Carriers and channels..................................................................................................................................................................... 8
1.3
Aspects of infra-red distribution systems................................................................................................................................................ 9
1.3.1
Directional sensitivity of the receiver ......................................................................................................................................... 9
1.3.2
The footprint of the radiator........................................................................................................................................................ 9
1.3.3
Ambient lighting........................................................................................................................................................................... 10
1.3.4
Objects, surfaces and reflections ............................................................................................................................................... 10
1.3.5
Positioning the radiators ............................................................................................................................................................. 11
1.3.6
Overlapping footprints and multipath effects......................................................................................................................... 13
1.4
Planning an Integrus infra-red radiation system .................................................................................................................................. 13
1.4.1
Rectangular footprints................................................................................................................................................................. 13
1.4.2
Planning radiators......................................................................................................................................................................... 14
1.4.3
Cabling 15
1.5
Setting the radiator delay switches.......................................................................................................................................................... 16
1.5.1
System with one transmitter....................................................................................................................................................... 16
1.5.1.1
Determining delay switch positions by measuring the cable lengths ................................................................. 16
1.5.1.2
Determining delay switch positions by using a delay measuring tool ................................................................ 17
1.5.2
System with two or more transmitters in one room .............................................................................................................. 18
1.5.3
System with more than 4 carriers and a radiator under a balcony....................................................................................... 20
1.6
Testing the coverage area......................................................................................................................................................................... 21
2
Infra-Red Transmitters (LBB 4502/xx) ................................................................................................................... 22
2.1
Description ................................................................................................................................................................................................. 22
2.2
Audio interface modules .......................................................................................................................................................................... 24
2.2.1
DCN Interface Module (LBB 3423/00) .................................................................................................................................. 24
2.2.2
Mounting an interface module in the transmitter housing ................................................................................................... 25
2.3
Connections................................................................................................................................................................................................ 27
2.3.1
Connecting the DCN system ..................................................................................................................................................... 27
2.3.2
Connecting other external audio sources................................................................................................................................. 28
2.3.3
Connecting an emergency signal ............................................................................................................................................... 29
2.3.4
Connecting to another transmitter............................................................................................................................................ 30
2.4
Using the configuration menu ................................................................................................................................................................ 31
2.4.1
Overview........................................................................................................................................................................................ 31
2.4.2
Navigate through the menu........................................................................................................................................................ 32
2.4.3
Examples........................................................................................................................................................................................ 33
2.5
Configuration and operation ................................................................................................................................................................... 36
2.5.1
Start-up 36
2.5.2
Main menu..................................................................................................................................................................................... 36
2.5.3
View transmitter status................................................................................................................................................................ 36
2.5.4
View fault status ........................................................................................................................................................................... 37
2.5.5
Set monitoring options................................................................................................................................................................ 37
2.5.6
View version information ........................................................................................................................................................... 37
2.5.7
Set transmission mode................................................................................................................................................................. 38
2.5.8
Set number of channels............................................................................................................................................................... 38
2.5.9
Set channel quality and assign inputs to channels .................................................................................................................. 38
