![background image](http://html.mh-extra.com/html/icom/ic-m421/ic-m421_instruction-manual_612795039.webp)
33
6
DSC OPERATION
New2001
6
D
D
Transmitting a polling request call
Transmit a polling request call when you want to know a spe-
cific ship is in the communication area, etc.
q
Push
[MENU]
to enter the DSC menu.
w
Push
[
▲
]
or
[
▼
]
to select “
Polling Request
,” and
push
[ENT]
.
e
Push
[
▲
]
or
[
▼
]
to select the desired pre-programmed in-
dividual address or “
Manual Input
,” push
[ENT]
.
• The ID code can be set in advance. (p. 16)
• When “
Manual Input
” is selected, set the 9-digit ID code
for the individual you wish to call with
[
▲
]
or
[
▼
]
.
r
Push
[ENT]
to transmit the polling request call.
• If Channel 70 is busy, the transceiver stands by until the channel
becomes clear.
t
After the polling request call has been transmitted, the fol-
lowing indication is displayed.
y
Push
[CLR]
to return to the previous indication before en-
tering the DSC menu.
• Even if
[CLR]
hasn’t been pushed, the display automatically re-
turns to the previous indication after 2 sec. of inactivity.
--DSC Menu--
Polling Request
TX Completed
Now Waiting for ACK
<CLR˘Exit>
Transmitting
--DSC Menu--
Polling Request
--DSC Menu--
Select Address
˘Manual Input
˘Bob
John
≥
<CLR˘Exit / ENT˘OK>
--DSC Menu--
POLL Request Ready
<CLR˘Exit / ENT˘OK>
Push
--DSC Menu--
Select Item
˘All Ships Call
≤
Position Request
Position Report
˘Polling Request
≥
!IC-M421-3.qxd 06.5.29 4:35 PM Page 33 (1,1)
Summary of Contents for IC-M421
Page 1: ......
Page 42: ...re ush call or r Push ENT to transmit the polling request call to the se lected station ...
Page 61: ...55 12 TEMPLATE 11 12 Unit mm 164 78 149 61 6 ...
Page 62: ......
Page 63: ...57 28 3 14 2 111 2 60 6 Unit mm ...
Page 64: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan ...