3-FTCU operating instructions
4.8 EST3 System Operation Manual
Paging by phone
The phone page feature of the 3-ASU audio source unit permits
individuals with access to a remote firefighter telephone to make
announcements over the emergency voice/alarm
communications system, under the supervision of the Audio
Source Unit operator.
1. Establish a phone connection with the remote phone which
is to issue the page.
2. Set up the areas to receive the page using one of the ASU
page area functions and/or manual switch selection of
additional audio zones.
3. When ready to begin the paging sequence, the ASU operator
should press the Phone Page switch.
4. Begin the announcement. The 3-ASU operator can monitor
the page using the master handset.