Icom IC-M220 Instruction Manual - Page 34

Sending a Test call, ALARM OFF

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7 DIGITAL SELECTIVE CALLING (DSC) DDSending a Test call You should avoid testing calls on the exclusive DSC Distress channels and safety calling channels. When you cannot avoid testing on a Distress or safety channel, you should indicate that these are test calls. Normally the Test call would require no further communications between the two stations involved. 1. Push OTHER DSC . ••The "Other DSC" screen is displayed. LL You can also display the "Other DSC" screen by selecting the "Other DSC" item on the Menu screen. 2. Select "Test," and then push [ENT]. ••The Test call is selected, and returns to the "OTHER DSC" screen. 3. Select "Address," and then push [ENT]. ••The "ADDRESS" screen is displayed. 4. Select a station to send the Test call to. LL You can also select "Manual Input" to manually enter the calling station. 5. Push CALL to send the Test call. LL If Channel 70 is busy, the transceiver stands by until the channel becomes clear. 6. When you receive an Acknowledgement: ••An alarm sounds. ••The screen to the right is displayed. 7. Push ALARM OFF to turn OFF the alarm. ••The Acknowledgement information is displayed. 8. Push CLOSE . ••The received call's information is displayed. ••The call is saved in the DSC Log. 9. Push STBY to return to the operating screen. 24

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24
7
DIGITAL SELECTIVE CALLING (DSC)
D
Sending a Test call
You should avoid testing calls on the exclusive DSC Distress channels and safety calling
channels. When you cannot avoid testing on a Distress or safety channel, you should
indicate that these are test calls.
Normally the Test call would require no further communications between the two stations
involved.
1.
Push
OTHER DSC
.
• The “Other DSC” screen is displayed.
L
You can also display the “Other DSC” screen by
selecting the “Other DSC” item on the Menu screen.
2.
Select “Test,” and then push [ENT].
•
The Test call is selected, and returns to the “OTHER
DSC” screen.
3.
Select “Address,” and then push [ENT].
•
The “ADDRESS” screen is displayed.
4.
Select a station to send the Test call to.
L
You can also select “Manual Input” to manually enter
the calling station.
5.
Push
CALL
to send the Test call.
L
If Channel 70 is busy, the transceiver stands by until
the channel becomes clear.
6.
When you receive an Acknowledgement:
• An alarm sounds.
• The screen to the right is displayed.
7.
Push
ALARM OFF
to turn OFF the alarm.
•
The Acknowledgement information is displayed.
8.
Push
CLOSE
.
• The received call’s information is displayed.
• The call is saved in the DSC Log.
9.
Push
STBY
to return to the operating screen.