System Products 69
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These LEDs Indicate which keys are selected.
Event Select Key:
These buttons are used to select keys, each key may link to an event for triggering actions like
paging or adjust the value of parameters.
All/Release LED:
This indicator lights up if all keys are selected.
All/Release Button:
This button is used to select or deselect all keys.
Talk Key:
Push this key to request paging.
Talk Indicator:
Light up if PPM-AS is allowed to paging, on the other word, the paging request has been
acknowledged.
Sometimes even the paging request is granted, zones under paging still can be occupied by
other sources with higher priority. In the event of, the talk LED still lights up, you can check it
from busy LEDs.
Busy LED:
Show the status of zone:
Priority of the zone is lower than other sources.
The zone only desired for paging is not using by other
sources.
Priority of the zone is higher than other sources.
3.2.1.1.2 Rear Panel
PPM Keypad (Left) and PPM-AS (Right)
PPM-AS:
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