Policy on Intellectual Property Right (IPR)
Annex 1 General purpose equipment characteristics
1 General
2 Technical format of a call sequence
3 Dot pattern and phasing
3.4.1 200 bits
3.4.2 20 bits
4 Format specifier
5 Address
Example:
6 Category
7 Self-identification
8 Messages
8.1.1 Message 1
8.1.2 Message 2
8.1.3 Message 3
8.1.4 Message 4
8.2 Distress alert relay,
distress alert relay acknowledgement, distress acknowledgement
8.2.1 Message 0
8.2.2 Message 1
8.2.3 Message 2
8.2.4 Message 3
8.2.5 Message 4
8.3 Other types of calls
8.3.1 Message 1
8.3.2 Message 2
8.3.3 Message 3
8.4 Distress alert relay
8.5 Test calls
8.6 Distress self-cancel
operation
9 End of sequence
10 Error-check character
11 Distress alert attempt
12 Shipborne human machine
interface
12.1 Shipborne audible
alarm
12.2 Inactivity timer
12.3 Display
12.4 Maritime mobile
service identity
12.5 Automatic channel
switching function on VHF
12.6 Data interface
12.7 Position updating
12.8 Geographic area entry
12.9 Medical transport and
neutral ships and aircraft
12.10 Group calls (Ships
having common interest)/individual call
13 Handheld human machine
interface
13.1 Audible alarms
13.2 Inactivity timer
13.3 Display
13.4 Maritime mobile service identity/Maritime identity
13.5 Automatic channel
switching
14 Handheld VHF digital selective
calling equipment with electronic position fixing systems (Class H)
15 Position request operation for
Class D, E and H
16 Man overboard devices using VHF
digital selective calling (Class M)
16.1 Open and closed loop
16.2 General requirements
16.3 Identification number
16.4 Measures to avoid
false alerts
16.5 Distress self-cancel
operation
16.6 Action on receipt of
acknowledgment messages
16.7 Open loop man
overboard devices
16.8 Closed loop man
overboard devices
Annex 2 Equipment classes
1 Equipment classes only apply to
shipborne equipment
Annex 3 User interface for simplified operation of shipborne equipment
1 General
2 Definitions
3 Controls
4 Display of messages in plain
language
5 Transmission of digital
selective calling messages
5.1 DSC message
composition features
5.2 Operational guidance
to the operator
5.3 Defaults
5.4 Other items
Annex 4 Automated procedures for simplified operation in shipborne equipment
1 General
2 Definitions
3 Tasks of automated procedures
3.1 Tasks common to all
automated procedures handling DSC messages
3.1.1 Handling
alarms
3.1.2 Displaying
stages of the automated procedure
3.1.3 Tuning the
radio
3.1.4 Displaying
operator options
3.1.5 Handling
DSC messages not pertinent to the active procedure
3.1.6 Displaying
warnings
3.1.7 Handling
DSC messages containing errors
3.1.8 Transmission
of digital selective calling messages
3.1.9 Automated
termination
3.2 Tasks specific to
certain automated procedures
3.2.1 Tasks of
automated procedures initiated by receiving non‑distress digital
selective calling messages
3.2.2 Tasks of
automated procedures initiated by sending a non‑distress digital
selective calling message
3.2.3 Tasks of
automated procedures initiated by receiving a distress digital selective
calling message or sending a distress alert relay on behalf of someone else
3.2.4 Tasks of
automated procedures initiated by sending a distress alert attempt
3.2.5 Radiotelephone
communications automated procedure
3.2.6 Other non-digital
selective calling automated procedures
3.3 Tasks concerning
multiple automated procedures
3.3.1 Number of
simultaneous automated procedures
3.3.2 Sending
distress automated procedure
3.3.3 Operator
options
3.3.4 Unacknowledged
poll, test, or position request automated procedures received on hold
3.4 Warnings