19
6
DSC OPERATION
t When receiving the acknowledgment, reply using the mi-
crophone.
➥ A distress alert contains (default);
• Nature of distress: Undesignated distress
• Position data : GPS or manual input position data held for
23.5 hrs.
➥ The distress call is repeated every 3.5–4.5 min., until re-
ceiving an ‘acknowledgement.’
➥ Push [DISTRESS] to transmit a renewed distress call, if
required.
➥ Push [CLR] to cancel the ‘Call repeat’ mode.
➥ “??” may blink instead of position and time indications
when the GPS data is invalid, or has not been updated
after 4 hours the position and time data input manually.
■ Transmitting DSC calls
DD
Transmitting Individual call
The individual call function allows you to transmit a DSC sig-
nal to a specific ship only.
q Push [MENU] to enter the DSC menu.
w Rotate [CHANNEL] to select “Individual Call,”
push [ENT].