57
7
DV MODE OPERATION (Optional UT-121 is required for IC-91A)
7
DD
Low-speed data communication application
setting
Configure the low-speed data communication application as
follows.
• Port : The same COM port number as IC-
91A/91AD’s
• Baud rate : 38.4 kbps
(fixed value)
• Data : 8 bit
• Parity : None
• Stop : 1 bit
• Flow control : Xon/Xoff
DD
Low-speed data communication operation
NOTE: Confirm that in AUTO, the computer controls when
[PTT] is activated to send data and the user doesn’t have
to operate the radio.
qSet your own, station call signs, etc. as described in
“■ Digital voice mode operation”
(p. 38) and “■ Digital re-
peater operation”
(p. 41).
wRefer to the instructions of the low-speed data communi-
cation application.
eTo transmit data
• With your voice audio, push and hold [PTT] to transmit while
sending data from the PC. Release [PTT] to receive.
• Under computer control, see Transmission condition setting at
right.
DD
Transmission condition setting
qEnter “DV DATA TX” in DV set mode. (p. 92)
wRotate [DIAL]
†
to select “PTT” or “AUTO.”
ePush [ï](5)
(or [
ΩΩ
](4)) to return to DV set mode, and push
[MENU/LOCK] to return to frequency indication.
MENU screen ➪ DV SET MODE ➪ DV DATA TX
(Push [MENU/LOCK]) (Rotate [DIAL]
†
, then push [ï](5)
†
.)
†
[DIAL] ↔ [
∫∫
](2)/[
√√
](8) [ï](5) ↔ [
≈≈
](6)
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