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Distress frequencies – Furuno FS-1503 User Manual

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2. While pressing and holding down the [ALM] key, press

the [ENT] key. The alarm signal, modulated at 1300 Hz
and 2200 Hz tones alternately, is emitted at full power
for 45 sec.

The alarm can be monitored from the loudspeaker. The
alarm may be canceled at any time by pressing the [ENT]
key for immediate speech transmission.

3. Distress calls and Distress message

(1)

Speak slowly and distinctly, “MAYDAY, MAY-
DAY, MAYDAY, pronounced as the French expres-
sion “m’aider”.

(2)

This is;

(3)

The name of your vessel and call sign three times.

Then, continue with the distress message, which con-
sists of:

(1)

The distress signal MAYDAY;

(2)

The name of the mobile station in distress;

(3)

Particulars of its position (in latitude and longitude)

(4)

The nature of the distress;

(5)

The kind of assistance desired;

(6)

Any other information which might facilitate rescue, for length, color, and type of
vessels, number of persons on board.

4. Indicate the end of message by saying “Over.”

5. When you receive no answer to a distress message, repeat at intervals over again the radio-

telephone alarm signal, the distress call and the distress message.

Distress frequencies

All distress frequencies including 2182 kHz are shown below:

Telephony SSB (kHz, Carrier)

DSC (kHz, Center)

Telex (kHz, Center)

2 182

2 187.5

2 174.5

4 125

4 207.5

4 177.5

6 215

6 312

6 268

8 291

8 414.5

8 376.5

12 290

12 577

12 520

16 420

16 804.5

16 695

For other Telex frequencies, refer to APPENDIX.

MODE

1

CURS

2

AGC STATION

4

9

TX

TEST

START

CLARI

3

SQL

5

SCAN

6

RX

TUNE

7

H/L

8

CH

2182

INT

0

ALM

ENT

PRESS BOTH to emit
2-two tone alarm signal.

STOP

Figure 1-10 Keyboard