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D.
Normal O14peration Mode:
D.1 Switching the system "On" or "Off":
a) To switch the thruster "ON" or "OFF" follow the instructions on the diagram above.
b) When switched "ON" the unit will double beep and the "On" and "Up" LED's will light up.
c) When switched "OFF" the unit will double beep and all LED's will go out.
d) It's only possible to switch off the unit with thruster in the fully up position.
D.2 "Lowering" & "Raising" Thruster Unit:
a) Once unit has been switched on as described above, press and hold the "Down" pushbutton for
one second after which unit will beep once and then lower automatically to fully down position.
b) When thruster will be fully down the "Down" LED comes on and the buzzer double beeps
to indicate that thruster is completely down and ready to thrust.
c) As long as thruster is in the down position the buzzer will beep (short) once every three
seconds, to indicate that thruster is still in the down position.
d) To raise thruster, press and hold the "Up" pushbutton for one second after which unit will
beep once and then raise automatically.
e) When thruster will be fully up the "Up" LED comes on and the buzzer double beeps to
indicate that thruster is completely up and ready to be switched off.
f) If thruster meets any abnormal resistance when lowering or raising, the system will
automatically go into Manual Mode.
g) To raise thruster, press and hold the "Up" pushbutton for one second after which unit will
beep once and then raise automatically.
h) When thruster will be fully up the "Up" LED comes on and the buzzer double beeps to
indicate that thruster is completely up and ready to be switched off.
i) If thruster meets any abnormal resistance when lowering or raising, the system will
automatically go into Manual Mode.
D.3 Thrusting "Left" & "Right":
a) Use joystick to thrust either left or right.
b) Please note that it is only possible to thrust left or right when thruster is detected to be
fully down.
c) The thruster controller provides a time delay between left and right thrust in order to avoid
rapid direction changes, but no delay when thrusting to same side.
D.4 Overheat Alarm & Shut-Down:
a) If the thruster motor overheats the buzzer will start beeping and the "On" L.E.D. will flash
with one-second intervals until the motor has cooled down.
b) During this overheat condition one has a total of ten seconds of actual use (left & right thrust)
of the thruster, the unit will auto retract and switch off automatically.
c) After this overheat shut down it will not be possible to switch "On" the system again until
the thruster motor has cooled down.
D.5 General:
a) If the thruster unit has not been used for a period of ten minutes the unit will
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