85Dialog 4224 Operator
Other Useful Features
Alarm
If a fault occurs in the exchange, the alarm lamp flashes.
Use the following procedure to acknowledge the alarm:
ÖÔ Alarm Press and hold while reading the display.
The bottom right hand corner of the display shows 2, 3 or 4. The
number indicates the degree of seriousness:
2 = Requires action within one week
3 = Requires immediate action during normal working hours
4 = Demands immediate action at all times
The purpose with the acknowledgement of the alarm is to avoid
other operators from reporting the alarm. After acknowledgement,
you must report the alarm to maintenance, stating the alarm class
as above.
When the Alarm key is released, the key lamp changes to steady
light. This indicator remains until maintenance staff have eliminated
the fault and erased the alarm from the maintenance terminal.
If you press the Alarm key while the lamp shows steady light,
EXG
SERV is displayed in the bottom right corner indicating that the
exchange is being repaired.
Emergency mode
It is possible to set the exchange into Emergency mode. This only
allows predetermined extensions to initiate calls.
To set the exchange into Emergency mode:
*90# Dial.
EXG EMER is shown in the upper right corner of the display.
To return the exchange to normal state:
#90# Dial.
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