Icom IC-M803

27
DSC OPERATION
7
7
■ DSC Task mode (Single)
After sending or receiving a DSC call, the transceiver
enters the DSC Task mode.
If Single Task is enabled, the transceiver can hold up
only 1 task.
( Example: After transmitting an Individual call)
To use Single Task mode, select “Single” in
“Procedure” on the Menu screen.
[MENU] > DSC Settings > Procedure
In the DSC Task mode, you can resend the call, or
send an Acknowledgment to the caller station.
NOTE: The Task mode has a Time-out Timer (TOT)
function. After a certain time has passed without any
operation on a task, the transceiver automatically
exits the Task mode and returns to the Main screen.
When a Time-out Timer activates, an alarm sounds
and a countdown message is displayed for 10
seconds. No alarm sounds and no countdown
message is displayed before the Radio Telephone
TOT activates.
You can set the TOT function in the Inactivity Timer
menu. (p. 63)
D Software Key functions
While in the DSC Task mode, the following functions
are displayed rst.
Function Description
Standby
mode
Push to delete the task and return to the
Main screen.
Resend Push to resend the call.
The following functions may be displayed, depending
on the call type.
Function Description
Cancel Push to send a Cancel call.
Pause
Push to pause the ‘Call Repeat’ mode, or
pause the countdown.
Resume Push to resume the countdown.
Finish
Push to exit the Distress Cancel
Statement screen.
History
Push to display the Distress Call History
screen.
ACK/
ACK (able)
Push to send an Acknowledgment without
any changes.
ACK
(Unable)
Push to send an Acknowledgment, but you
cannot make a call.
ACK
(New CH)
Send an Acknowledgment. You can specify
the Voice Communication frequency.
D Unread List
If the transceiver has unread DSC calls, you can enter
the Unread List menu by pushing .
L Push to enter the task mode.
L Push to display the detail of the selected task.