![background image](http://html1.mh-extra.com/html/icom/ic-m604a/ic-m604a_instruction-manual_2037992042.webp)
36
6
DSC OPERATION
■
Receiving DSC Calls (Continued)
D
Receiving a Geographical Area call
While monitoring Channel 70 and a Geographical Area call
(for the area you are in) is received:
➥
Emergency alarm or beeps sound depending on the
received category.
➥
“
Received Geographic
” is displayed on the screen.
➥
“
” and the LCD backlight blink.
➥
Push
[CLR]
to stop the beeps and the backlight blinking,
then push
[ENT]
to change to the channel specified by
the calling station for voice communication; push other
key to ignore the Geographical Area call.
➥
Monitor the selected channel for an announcement from
the calling station.
When no GPS receiver is connected or if there is a
problem with the connected receiver, all Geographical
Area calls are received, regardless of your position.
D
Receiving a Position Request Call
While monitoring Channel 70 and a Position Request Call is received:
➥
“
Received POS Request
” is displayed on the screen.
➥
“
” and the LCD backlight blink.
➥
Push
[CLR]
to stop the beep and the backlight blinking, then
push
[ENT]
to reply to the call; push
[CLR]
to ignore the call.
D
Receiving a Position Report Call
While monitoring Channel 70 and a Position Report Call is received:
➥
“
Received POS Report
” is displayed on the screen.
➥
“
” and the LCD backlight blink.
➥
Push
[CLR]
to stop the beeps and the backlight blinking, then
push
[ENT]
to reply to the call; push
[CLR]
to ignore the call.
• After transmitting a reply call, then
push [ENT]
to display the
position information, or push
[CLR]
to exit the screen.