3-FTCU operating instructions
EST3 System Operation Manual 4.3
Functional description of 3-FTCU controls and indicators (see Figure 4-1)
Index
Control or
Indicator Functional Description
1 Master Telephone
Handset
The master telephone handset permits the operators to
communicate with dedicated firefighter telephone stations
which are strategically located throughout the facility.
2 Connect Switch The connect switch connects the incoming calls to the master
telephone handset.
3 Review Pending
Switch
The review pending switch scrolls the list of pending incoming
calls.
4 ACKnowledge
Switch
The acknowledge switch silences the call-in buzzer.
5 LCD Display The LCD display shows the status of the firefighter telephone
system. The display is backlit in the alarm mode and when an
incoming call is received.
6 Disconnect Switch The disconnect switch is used to remove the connected phone
which is shown in reversed text on the bottom of the display.
7Review
Connected Switch
The review connected switch scrolls the list of connected calls
on the bottom of the display.
8 Instruction Placard This card is a set of phone operating instructions.
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