Installation; External Connections - Bosch DCN Next Generation Installation & User's Instructions

DCN Next Generation | Installation and User Instructions | Flush-mounted Devices
27.3.4 Channel/volume restore function
Use the X13 solder spot to enable or disable the
channel/volume restore function of the channel selector.
table 27.4: Solder spot X11 (* = default)
Solder spot
Not soldered*
Soldered
For example, you can enable this function when all
delegates and chairmen have a fixed seat number.
Note
The channel selector saves all channel changes
after 5 seconds.
Note
If the last known channel number is greater than
the maximum number of channels that are
available, the channel selector automatically
goes to channel 0. When the last known
channel becomes available, it is only restored if
you did not operate the buttons of the channel
selector.
Bosch Security Systems | 2007-02 | 9922 141 70525
Function
The channel/volume restore
function is disabled. When the
channel selector is enabled, it
automatically:
• Selects channel 0 (floor)
• Sets the volume level to
-18 dB.
The channel/volume restore
function is enabled. When the
channel selector is enabled, it
automatically:
• Select the last known
channel.
• Sets the last know volume
level.
27.4

Installation

The channel selector is a flush-mounted device. Refer to
chapter 19 for installation procedures.
table 27.5: Physical characteristics
Dimensions (h x w x d):
40 x 100 mm (built-in depth about 80 mm)
Weight:
approximately 300 g
You can install the channel selector in a DCN-TTH
Tabletop Housing (refer to chapter 31).
27.5

External connections

27.5.1 DCN
Connect the channel selector to the DCN with the DCN
cable. You can use the DCN socket to make a
loop-through with the channel selector.
table 27.6: DCN connections
Number of connections:
1x DCN socket
1x DCN cable (2 m) with plug
Power consumption:
0.9 W
en | 190