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Bosch Security Systems | 2007-02 | 9922 141 70691 en
DCN Wireless | Installation and User Instructions | Central Devices en | 53
10.6.3 Main
When you start the central control unit, the display first
shows Starting. The display then shows the Main menu
item:
The Main menu item contains:
• An indicator that shows the volume level of the
loudspeakers of the contribution devices. Turn the
knob to change the volume level (refer to 12.6).
• The name of the central control unit. The default
name is CCU. You can change the name with the
4L Unit Name menu item (refer to 10.6.8).
• The microphone mode and the maximum number
of activated microphones. You can change the
microphone mode and the maximum number of
activated microphones with the 4C Mic. Mode menu
item (refer to 10.6.8).
10.6.4 Fault status
Use the 1 Fault Status menu item to see the condition
messages of the central control unit. If there is more
than one message, the display shows the most important
message (refer to table 10.21).
Note
When a PC is connected to the central control
unit, the Main menu item also shows PC.
Note
When the condition of the central control unit
changes, the Main menu item shows a message
(refer to table 10.21). Such a message goes out
of view when you push the knob.
Note
If you do not turn or push the knob for three
minutes, the display automatically goes back to
the Main menu item. The display does not
automatically go back to the Main menu item
from these menu items and their sub-menus:
•2ASource/Volume
• 4Ia Assign Operator
• 4Ib Assign Chairman
table 10.21: Messages (low to high importance)
Messages Description
No Fault The central control unit
operates correctly.
Low Battery The battery pack of a
wireless device is
empty within 1 hour.
Bad Signal A wireless device has a
bad signal reception.
Incompatible SW The wireless access
point has a
incompatible software
version.
Invalid Software The central control unit
cannot start. The
central control unit
does not contain the
correct software.
Downloading The central control unit
downloads software.