Icom IC-M220 Instruction Manual page 28

7
DIGITAL SELECTIVE CALLING (DSC)
D Regular call
Select the nature of the Distress call to include in the Regular Distress call.
DISTRESS
1. Push
• The "DISTRESS" screen is displayed.
2. Push [ENT] to enter the Nature selection mode.
3. Select the nature of the Distress, and then push
[ENT]. (Example: Flooding)
• The setting is saved and returns to the previous screen.
L If no valid GPS data is being received, select
"Position," and then enter the latitude, longitude, and
UTC.
See "Entering the position and time" on page 16 for
details.
4. While lifting up the key cover, hold down [DISTRESS]
(the red button) for 3 seconds until you hear 3 short
countdown beeps and a long beep sound.
•
The backlight blinks.
5. After sending, wait for an Acknowledgment.
• "Waiting for ACK" is displayed.
L The Distress call is automatically sent every 3.5 to 4.5
minutes, until an Acknowledgment is received, or a
Distress Cancel call is sent. (p. 19)
6. When you receive an Acknowledgment, an alarm
sounds. Push
• Channel 16 is automatically selected.
7. Hold down [PTT] to communicate.
TIP: You can also send a Regular call by selecting the
"Distress" item on the Menu screen.
18
.
ALARM OFF
to turn OFF the alarm.