Icom IC-M412 [29/68] N transmitting dsc calls

DSC OPERATION

New2001

i After receiving the acknowledgment, reply using the micro-

phone.

Scrolls

➥A distress alert contains (default);

 •Natureofdistress:Selectednatureofthedistress

 •Positiondata :

GPS or manual input position data is held for

23.5 hours or until the power is turned OFF.

➥ The Distress call is repeated every 3.5 to 4.5 minutes,

until receiving an ‘acknowledgement.’ (‘Call repeat’ mode)

 •“RE-TRANSMISSION”isdisplayed.

➥ Push [DISTRESS] to transmit a renewed Distress call,

if desired.

➥

“??” may blink instead of position and time indications

when the GPS data is invalid, or has not been manually

updated after 4 hours.

n Transmitting DSC calls

To ensure correct operation of the DSC function, please

make sure you set the squelch correctly. (p. 7)

D Transmitting an Individual call

The Individual call function allows you to transmit a DSC sig-

nal to a speciﬁc ship or a Coast station.

4 Convenient

When the lcom MA-500TR c l a s s b a i s t r a n s p o n d e r is con-

nected to your transceiver, an individual DSC call can be trans-

mitted to a selected AIS target using the transponder, without

needing to enter the target’s MMSI code.

See the MA-500TR instruction manual for more details.

q Push [MENU] to enter the DSC menu.

w Push [Y] or [Z] to select “INDIVIDUAL,” then push

[ENT].

Scrolls

☞ Continued on the next page