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Operator manual
1.2.2
Stepping motor assembly
(Refer to Fig. 3)
The two cards are driven by a stepping motor each. The shaft of the stepping motor for the
10° card is arranged centrically in the shaft of the stepping motor for the 360° card. The
cards are directly mounted on the shafts of the stepping motors. The speed of the two step-
1
ping motors are in the ratio of 1:36. The 10° card is equipped with a graduation of
/
° and
10
the 360° card with a graduation of 5°. Both cards are translucent and lit up around the lub-
ber line by LEDs.
Front panel
360° card
10° card
Steering repeater PCB
Stepping motor
Fig. 3: Stepping motor assembly -- section view of the Repeater Compass
4
Edition: July 06, 2005
3649.DOC010102
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