NT-2000 REF Manual
List of Alarms
10-1
1 0 . L i s t
o f
A l ar m s
1 0 . 1 . M e s s a g e A l a r m s
●
Alarm for D–Type Message
･
Enabled/Disabled Status:
Enabled at all times.
･
Triggering Condition:
To be triggered upon reception of a D–type message.
･
User Interface:
- Audible:
Beeping at approx. 1–sec. intervals by alarm buzzer.
- Visual:
Attaching
i
A L A R M !
i
tag to message ID and
displaying both message ID and text in red.
●
Alarm for A–, B–, and L–Type Messages
･
Enabled/Disabled Status:
Initially disabled, and can be individually enabled by
the user. See paragraph 4.13 for instructions.
･
Triggering Condition:
To be triggered upon reception of an A–, B– or L–type
message.
･
User Interface:
- Audible:
Beeping at approx. 3–sec. intervals by alarm buzzer.
- Visual:
Attaching
i
A L A R M !
i
tag to message ID and
displaying message ID in red.
1 0 . 2 . O p e r a ti o n a l Al a r m s
●
Storage Limit Alarm:
･
Enabled/Disabled Status:
Enabled at all times.
･
Triggering Condition:
To be triggered when protecting NAVTEX messages
for permanent storage in excess of 50.
･
User Interface:
- Audible:
Beeping 3 times in quick succession by small buzzer.
- Visual:
Displaying warning “
STORAGE LIMIT IS REACHED !
”
in prompt line at screen’s bottom.
●
Memory–Full Alarm:
･
Enabled/Disabled Status:
Enabled at all times.
･
Triggering
Condition:
To be triggered when receiving new NAVTEX
message with 199 messages stored.
･
User Interface:
- Audible:
Beeping 3 times in quick succession by small buzzer.
- Visual:
Displaying warning “
MEMORY FULL ! [ C L R ] TO
A C K N L G.
” in prompt line at screen’s bottom.
●
Invalid Keypress Alarm:
･
Enabled/Disabled Status:
Enabled at all times.
･
Triggering Condition:
To be triggered when any key not valid for current
operation is pressed.
･
User Interface:
- Audible:
Beeping 3 times in quick succession by small buzzer.
- Visual:
Displaying warning “
I NVALID KEYPRESS
,
” blinking.
