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APPENDIX 3 LIST OF ABBREVIATIONS
AP-17
Icons
Telex (NBDP)
Icon Meaning Icon Meaning
Speaker ON Noise blanker ON
Speaker OFF Notch filter ON
Unread message Number keys
Send a distress alert of your
ship.
Name of the ship registerd in ad-
dress book
• Receive a distress alert from
a ship in distress.
• Send a distress relay on be-
half of a ship in distress.
Auto ACK for individual mes-
sage is ON.
Send a general (safety, urgency
or routine) message.
Data is being updated regularly.
Receive a general (safety, ur-
gency or routine) message.
Unsolved error
Communicate via radiotele-
phone
Class of emission is SSB.
Turn down the handset volume. Class of emission is TLX.
Turn up the handset volume. Class of emission is AM.
Squelch ON Class of emission is FAX.
Noise reduction: NR1 (Low),
NR2 (High)
Class of emission is NBDP.
1: Watch
2: Scan
3: Communication
Attenuator ON ENTER knob
Abbreviation Meaning Abbreviation Meaning
ACK Acknowledge CFM Confirm
ADV Advise CH Channel
AGN Again COL Collation
Alt Alternative Comm Mode Communication Mode
Apr April Comm Status Communication Status
ARQ Automatic Repetition request CRV How do you receive?
Aug August Ctrl Control
BI (GS) Good bye Dec December
BK I cut off. DER Out of order
Caps Capital and Small Dir Direction
CFEC Collective FEC DSC Digital Selective Call
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