
Start-up procedures
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The simulated trigger signal now makes it
possible to operate
and test most functions on the sonar control panel:
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(CD1868)
Figure The main control panel
Use the CURSOR JOYSTICK (1) to check if the yellow
cross on the screen can be moved in any direction
, and
that it stops
when the joystick is released.
Press the TARGET
MARKER button (3 button no.
1) and
check if a numbered triangle appears in the position
the yellow cross.
Press the SHIP MARKER button (3
, button no.
2) and
check if a numbered square appears
across the ship
symbol.
Press the CIRCLE
MARKER button (3, button no. 3) and
check if a circle appears, centered around the yellow
cross. Also check that
the button lights up. Press the
button once more and check if the
circle marker
disappears, and that the button light
extinguishes.
Press the GEAR button (3
, button no. 4) and
check if a
seine circle appears beside the ship symbol
, and that the
button lights up. A
second press should give a
yellow
square at the ship symbol, and a third press should
remove the seine circle and extinguish the
button light.
Select MODE True Motion in the menu, and press the
DISPLAY CENTRE button (3
, button no. 5) to check if a
new centre is formed.
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