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4. Transmitter

and Modules

4.1 LBB 4502 Transmitter

The transmitter is the central element in the Integrus sys-

tem. It accepts analogue or digital input (from DCN),

modulates these signals onto carrier waves and transmits

these carrier waves to radiators located in the room.

Product Variants:

• LBB 4502/04: 4-Channel Transmitter

• LBB 4502/08: 8-Channel Transmitter

• LBB 4502/16: 16-Channel Transmitter

• LBB 4502/32: 32-Channel Transmitter

4.1.1 Features and Benefits

•Universal mains power facility allows use worldwide

•Capable of distributing a maximum of 4, 8, 16 or 32

audio channels

•Can be used with DCN or analogue systems like the

CCS 800

•Automatic distribution of emergency messages to all

channels

•Auxiliary mode for distribution of music to all channels

during a break

• Flexible configuration of channels and channel quality

modes for efficient distribution

•Adjustable sensitivity for each input to enable fine

tuning of audio levels

•Test mode which produces a different frequency tone

for each input/channel,with the tone gradually rising as

the channels are stepped through.

•Slave mode for distribution of signals from another

transmitter allows multiple rooms to be used

•Built-in mini infra-red radiator for audio monitoring

•Radiator and system status indication via display

•Configuration of transmitter and system via a display

and one single rotary push button

•Each transmitter can be assigned a unique name by the

installer for easy identification in a multi-transmitter

system

•Each audio channel can also be assigned a unique name

by the installer. These names can be selected from a list

of options or entered manually.

•Automatic standby/on function

•Automatic synchronization to the number of channels

in use in a DCN system

•Stylish 19" (2U) housing for table top use or rack

mounting

•Handgrips for easy transportation

• 19" rack mounting brackets, detachable feet and

mounting accessories for modules included

•System installation and operating manual on CD-ROM

•Mains cable included

4.1.2 Controls and Indicators

•2 x 16 character LCD display for status information and

transmitter configuration

•Rotary push button for navigation through menus and

configuration

•Power on/off switch on front panel

4.1.3 Interconnection

•Male Euro socket for mains connection

•Slot with audio data bus connector (H 15, female) for

accepting LBB 3422/10 Symmetrical Audio Input and

Interpreters Module or LBB 3423/00 DCN Interface

Module

•4,8,16 or 32 cinch connectors for input of asymmetri-

cal audio signals

•Two XLR sockets for input of symmetrical signals of

floor, emergency messages or music

• One terminal block socket for distribution of emer-

gency messages to all channels

Integrus Data brochure | Transmitter and Modules |17

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