16
SET-UP & OPERATION
Using the Life Safety Functions
The 975 connects and responds to several important third-party life safety solutions.
2. PageFirst
MUTES CLASSROOM AUDIO SYSTEM
When the PageFirst sensor clip is
connected to an external paging
source, all audio signal is muted to
ensure paging is heard clearly.
See page 17 for installation details
1. Input Priority
MUTES CLASSROOM AUDIO SYSTEM
When an audio source is connected to
the Input Priority jack, an audio signal
from that source will automatically
mute all other audio inputs to allow it
to be heard without interference. The
975 is shipped with a removable plug
inserted into the Input Priority jack to
ensure that the connection to an audio
source is intentional.
3. Relay Input
MUTES CLASSROOM AUDIO SYSTEM
When the 975 is connected to a fire
alarm, audio signals going through
the unit are muted when the fire alarm
is activated to minimize distractions
from the sound of the alarm.
Input
Priority
Power
24VDC / 2.5A
Speaker Outputs
12
Audio Inputs
Class 2 Wiring
Optical
Adjust
Page
First
Relay
Input
Contact
Closure
21 3 4
4. Alert Notification
INITIATES ALERT WITH FLEXMIKE
If your building is equipped with an alert
notification system, simultaneously
holding down the volume up and
down buttons for three seconds on the
Flexmike activates the contact closure
function on the 975. External systems
sense this contact closure to perform
a prescribed action, notifying the
appropriate parties of a classroom alert.
See page 17 for details
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