Bosch DCN Next Generation Installation And Operation Manual page 237

Conference System
Fault pop-up
When the audio expander detects a fault, the display shows a message. If there is more than
one message, the display shows the most important message.
Messages
Downloading
Max. CH mismatch
No network
Table 8.11 Messages (low to high importance)
When a fault condition is resolved, the fault message will disappear. The messages Max. CH
mismatch, and No network go out of view when you push the knob.
Fault status
Use the 1 Fault Status menu item to see condition messages of the audio expander. If there is
more than one message, the display shows the most important message.
Messages
No Fault
Max. CH mismatch
No network
Table 8.12 Messages (low to high importance)
Monitoring
Use the 2 Monitoring menu item to open the Monitoring sub-menu.
Menu item
2A Source/Volume
2B Input Engaged
Table 8.13 Monitoring sub-menu (* = default)
Bosch Security Systems B.V.
Description
The audio expander downloads software.
You have attached an audio input or audio output to a channel
that does not exist.
The audio expander cannot find the optical network.
Description
The audio expander operates correctly.
You have attached an audio input or audio output to a channel
that does not exist.
The audio expander cannot find the optical network.
Parameter Value
Signal: Volume level:
In 1* -31 to 0 dB (16 dB*)
In 2 -31 to 0 dB (16 dB*)
In 3 -31 to 0 dB (16 dB*)
In 4 -31 to 0 dB (16 dB*)
Out 1 -31 to 0 dB (16 dB*)
Out 2 -31 to 0 dB (16 dB*)
Out 3 -31 to 0 dB (16 dB*)
Out 4 -31 to 0 dB (16 dB*)
Audio input:
1, 2, 3, 4
Installation and Operation manual
Operation | en 237
Description
The signal that is available
on the headphones socket
of the audio expander and
its volume level. The menu
item also shows the
attached channel (read-
only).
If the menu item shows a
audio input number in the
display, the language
channel corresponding with
the audio input is already in
use by another (digital)
audio expander, a cobranet
interface or an interpreter
desk.
DCN-NG_IOM_V4.1 | V1.3 | 2012.07