Technical data

38 | en INTEGRUS | Digital Infra-red Language Distribution System
BOSCH Security Systems B.V.| February 2003
2.5.7 Set transmission mode
The Transmission Mode menu item (4A) is used to select which signals will be distributed over the channels. It is also possible
to switch all channels off (Standby).
When using a DCN interface module of version 01.05 or higher, the transmitter is automatically switched to ‘Standby’ when the
connected DCN system is switched off. When the DCN system is switched on, the transmitter is automatically switched to
‘On’.
Menu Item Option Description
4A Transmission Mode:
- Standby
All channels are switched off, no signals are distributed.
*
- On
Normal transmission. Input signals are distributed on the channels as
set in the Channel Quality sub-menu (4C).
- Aux to All
The signals on the Auxiliary inputs are distributed on all channels.
- Test
A different test tone is distributed on each channel. The frequency
increases with increasing channel number. For stereo channels the
tone for left and right will also be different.
- Slave
The radiator signal on the slave input is looped-through to all
radiators.
2.5.8 Set number of channels
Via sub-menu item 4B the number of channels that will be used can be set. Note that the maximum number of channels
depends on the transmitter type (4, 8, 16 or 32 channels) and the chosen quality modes.
When a DCN system is connected to the transmitter, (using a DCN interface module of version 01.05 or higher), the number
of channels can be automatically set by the DCN system.
Menu Items Option Description
4B Nr. of Ch. Nr. of channels:
*
- Automatic: nn
The number of used channels is set automatically to the maximum
possible number of channels (depending on transmitter type and the
selected quality modes). When a DCN system is connected, the
number of channels is determined by the settings of the DCN-system.
- Manual: nn
Set the number of used channels (the maximum number depends on
the transmitter type and the selected quality modes).
An asterix (*) is shown when the selected number is not possible
because it is higher than the maximum number of channels.
2.5.9 Set channel quality and assign inputs to channels
The audio quality of the channels (mono/stereo, standard/premium) can be set in sub-menu 4C. The quality can be set the
same for all channels or for each channel separately. Note that choosing stereo and/or premium quality uses more bandwidth
and decreases the number of available channels (see section 1.2.4).
In stereo mode, the left signal is always an even numbered input. The next higher input number is used for the right signal.
When the quality is set the same for all channels with the 'All Mono' or 'All Stereo' options, the inputs are assigned
automatically to the channels as indicated in the table below:
All Mono All Stereo
Channel Input Channel Input L Input R
00 00 00 00 01
01 01 01 02 03
... ... ... ... ...
31 31 15 30 31
with menu option 4C (Per Channel Settings), the assignment can also be done for each channel separately.