User's Manual

Names and Functions
2-5
(2) Operating display of DSC calls
When communicating using DSC messages, the controller shows as follows.
1. Indicates the transceiver setting screen
similar to the status display mentioned
above.
2. Indicates the message type according to
the following components.
¾ Call direction : Calling event -
Called event -
¾ Category : RTN… routine
SAF… safety
URG… urgency
DST… distress
¾ Address type : IND… individual
ARE… area
GRP… group
¾ DST type : ALT… distress alert
RLY… distress relay
CNL… distress cancel
ACK… distress ack
¾ Other type : TST… safety test
POS… safety position
POLL… routine polling
EOS…
routine ind w/o ack
Additionally, indicates COMM if started
communication without using DSC.
3. Indicates procedures information of active
or on hold with the DSC categories or COM.
4. Indicates the message info as follows;
¾ Destination/source ID to comm with:
TxTO/RxID
¾ Address type:
IND, Area, GRP, All
¾ Category or DST type:
RTN, SAF, URG, DST
DISTRESS ALT, DST RLY,
¾ Other information:
ACK, NACK
5. Indicates the DSC message status with the
elapsed time of the top frame procedure.
Additionally the following special marks may
be indicated on this line.
E … Indicates when including the ECC
error in the message.
D … Indicates when the DSC procedure
is started by receiving a delayed
ACK without a calling message.
6. Indicates the message received frequency.
7. Indicates the subsequent frequency if exist.
8. Indicates the handling menus. This figure
shows the following menus.
¾ ACK : Accepts the call and sends ACK
¾ NCK : Sends “unable to comply”
¾ NEW : Sends ACK with new work FRQ
¾ INF : Indicates the detail info
¾ HLD : Makes the active proc on hold
¾ END : Terminates the procedure
- When sending the “able to comply” acknowledgement against the received
message requesting the TEL communication, lifting handset is also available as a
substitute for selecting the ACK handling menu.
- When selecting the NEW or NCK menu, the dedicated popup screen is appeared.
- When sending an acknowledgement automatically to the receiving calls such as
position request, safety test, polling, or the call requesting communication with
an invalid frequency, the above screen is shown and starts sending automatically.
After finishing it, that screen is closed automatically.
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