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-1.44-
1.48 Alarms
The table below summarizes alarms which may occur at various warning conditions.
Warning Audible
alarm
Visual alarm To quit alarm status
HEADING
failure
2 beeps HDG label reads xxx.x° and the
message GYRO SIG MISSING
appears in red.
Display is automatically switched
to head-up mode within 1 min.
When the heading signal from
the gyrocompass restores
normal, the indication HDG SET
appears in red.
Match the on-screen HDG
readout with the actual compass
reading, if necessary. To stop
the audible alarm press the
AUDIO OFF key.
Press the MODE key to erase
HDG SET and correct the
heading readout.
Target alarm
(TAZ)
Beeps Target flashes. Press [TARGET ALARM] key.
WATCH alarm Beeps WATCH 0:00
(Label WATCH TIM turns red
and time count freezes at 0:00).
Press the [AUDIO OFF] key.
The label WATCH turns to
normal video and the timer is
reset.
Own ship
lat/lon
Cursor lat/lon
None xxx.x° In own ship position field
xxx.x° In cursor position field
Make sure that own ship
position data is fed from
external radionav equipment.
System failure None Message AZIMUTH SIGNAL
MISSING appears. No radar
echoes.
Incorrect
keystroke
Double
beep tone
None Correct keystroke creates a
single beep provided that KEY
BEEP ON is selected in initial
settings.
Log failure 2 beeps LOG xx.x and LOG SIGNAL
MISSING appear, if a log signal
is absent for 30 sec while an os
speed has been > 5.0 kt.
If the SDME has failed, use the
Manual Speed mode or other
appropriate sensor.
EPFS failure Continuous
beep
EPFS in red (EPFS: electronic
position-finding system)
The indication also appears
when the GPS mode is
switched between GPS and
DGPS.
To silence the beep, press the
[AUDIO OFF] key.
TRUE VECTOR
indication
None TRUE VECTOR (red) appears in
the second data cell when the
presentation mode is RM, goes
off in the North-up TM.
UPDATE PLOT None If you have failed to enter a
next EPA plot within 10 min,
this indication flashes. Plot
symbol of the target also
flashes.
Re-acquire the flashing target
within 5 min. Leave it if it is not
important.
COLLISION Continuous
beep
COLLISION comes on when
EPA- or ATA-tracked target is
on collision course.
Take evasive action or
terminate tracking of target.
Then, visual indication goes off.