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Praesideo 3.5 | Installation and User Instructions | 9 | System Configuration
47.3.17 BGM volume control
Using a BGM volume control action, the background
music volume can be controlled. The stepsize of the
volume change is 3 dB. See figure 47.24 for an overview
of the Action programming page for a BGM volume control
key.
figure 47.24: BGM volume control key
The BGM volume in a certain zone can be changed by
selecting the zone using a zone key (see section 47.3.11)
and then pressing a BGM volume control key. If a BGM
source key is pressed, then the indicators of all zones
assigned to that source (if present) will light. In these
zones, the volume can be changed. It is also possible to
add zones to or remove zones from the selection before
changing the volume. If a BGM source selection partly
influences a zone group, the indicator of that zone group
will be yellow instead of green.
If a BGM source key is pressed and a numeric display is
connected to the same call station, its LCD will show
"BGM", and the numeric keypad cannot be used (see
17.6.3).
Bosch Security Systems | 2011-02
47.3.18 BGM on/off
The BGM on/off action is used to turn background music
on or off in preselected zones. See figure 47.25 for an
overview of the Action programming page for a BGM on/off
key.
figure 47.25: BGM on/off key
en | 393
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