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Safety or urgency priority
For safety or urgency priority the field COM. FREQ is automatically set to the same pair
frequency as the DSC frequency.
a) Select DSC FREQ and press the [ENT] key.
GO TO ALL VIEW
***
Send message
***
CALL TYPE:
STATION ID:
PRIORITY
COM. TYPE
INDIVIDUAL
001234567
: SAFETY
: TELEPHONE
DSC FREQ
: 2187.5 KHZ
COM. FREQ
: 2182.0KHZ
4207.5
6312.0
8414.5
12577.0
16804.5
MANUAL
2187.5
b) Select appropriate frequency with
or
and press the [ENT] key.
13. Press the [CALL] key to send the message (transmission time: about 7 sec.). The display
shows the message "Individual request call in progress!" while the message is being sent.
Individual request
call in progress!
TIME TO GO: 7S
TO SHIP:
123456789
DSC FREQ :
2187.5 KHZ
ROUTINE
TELEPHONE 2189.5 KHZ
14. After the message is sent, the equipment waits for acknowledgement of the message,
showing the display below.
Waiting for
acknowledgement.
TIME TO GO: 4M30S
FROM SHIP:
123456789
DSC FREQ :
2187.5 KHZ
ROUTINE
TELEPHONE 2189.5 KHZ
15. The timer starts counting down the maximum time to wait for acknowledgement, 3.5-4.5
minutes, randomly set. One of the following three messages appears. (“No response! Try
calling again.” appears after the timer counts down to zero. It means the station called did not
respond.)
No response!
Try calling again?
FROM SHIP:
123456789
ROUTINE
TELEPHONE 2189.5 KHZ
DSC FREQ :
2187.5 KHZ
RE-SEND
Able acknowledge
call received.
FROM SHIP:
123456789
ROUTINE
TELEPHONE 2189.5 KHZ
STOP ALARM
Unable acknowledge
call received.
STOP ALARM
FROM SHIP:
123456789
ROUTINE
NO REASON GIVEN
Able acknowledge call received Unable acknowledge call received No response from station
16. Do one of the following depending on the message shown in step 15.