NT–2000 REF Manual
Typical NAVTEX Message Screen
1-2
1. Typical NAVTEX Message Screen (
continued – 2/5
)
1.1. Introduction (
continued – 2/4
)
④ Receiver Operating Status Indication
The current status of receiver operation is indicated here.
・ STANDBY: Receiver is waiting for a NAVTEX message transmission.
・ ACQUIRING: Receiver is currently in the process of locking onto the start of
the current message transmission.
・ LOCKED: Receiver has locked onto the current NAVTEX transmission,
allowing a message to be received. As soon as the equipmet
starts receiving the message, this indication will be replaced
by its message ID.
・ ABORTED: Receiver has failed to lock onto the current transmission, or
has already received the same message. No message will be
received.
⑤ Operating Status Line
The current status of receiver operation, text scroll keys, etc. are indicated here.
Examples:
・ 1ST RCVR MSG: Message received on the first receiver is currently displayed.
・ 2ND RCVR MSG: Message received on the second (490 or 4209.5 kHz) is
currently displayed.
・
: Message can be scrolled line by line by pressing
/
.
・ STANDBY: Receiver is idling, waiting for a NAVTEX message
transmission. See
④
above for details.
⑥ Message Identification (Message ID)
The ID of the currently displayed message is shown here. A red–colored ID
represents a warning message. A message ID consists of the following elements:
station ID, message type, and message serial number, as in the following example:
Figure 1-2 NAVTEX Message ID Format – Example
*
1
:
ID of the transmitter from which the message was received
.
Examples:
I
in NAVAREA ⅩⅠ
:
Yokoh ama, Japan
L
in NAVAREA Ⅲ: Limnos, Greece
P
in NAVAREAⅠ:
Ijmuiden, Netherlands
*
2
:
Type (category) of this message (subject indicator)
Examples:
A:
Navigational warnings
B:
Weather warnings
D:
Search and rescue (SAR), piracy or armed robbery warnings
*
3
:
Serial number of this message
Each message within the same category group is allocated a serial number between
00 and 99 by each transmitter. A message with number 00 is always received on
each transmission regardless of rejection settings, and will be stored in memory.
(
continued on next page
)
I B 4 3
*
3
Message serial number
(
B
3
&
B
4
characters)
*
2
Message Type
(
B
2
character)
*
1
Transmitter ID
(
B
1
character)
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