Ericsson EDACS PRISM HP, Operator'S Manual

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Call Originate
A short mid-pitched alert tone sounds after keying the
radio (Push-To-Talk button is pressed). This indicates the
radio has been assigned a working channel or that the
radio is transmitting on a conventional channel and voice
communication may begin immediately.
Call Queued (Trunked Mode Only)
A high-pitched tone after pressing the PTT button
indicates the system has placed the call request in the
queue. The receiving unit(s) also hear the tones, indicat-
ing they will receive a call shortly. If the the PTT button
is released, the radio will autokey whenever a channel
becomes available (see Autokey).
Autokey (Trunked Mode Only)
After being placed in queue (see called queued), the
site calls the radio when a channel becomes available.
At this point, the radio automatically keys the transmitter
(autokey) for a short period to hold the channel. The radio
sounds a mid-pitched tone when it is clear to talk; imme-
diately press the PTT button to keep the assigned chan-
nel.
System Busy (Trunked Mode Only)
Three low-pitched beeps will be heard if: 1) the radio
is keyed when the system is busy, 2) if no channels are
available for sending the message, 3) if the call queue is
full, 4) or if an individual call is being attempted to a radio
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