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Marine Digital Compass with input nmea0183, rs422, 4800bps
Model: SY-422
Product Description
Uder the control of microcomputer chip, the inside stepping motor will rotate to indicator the course heading. Meanwhile, there is also a nixie tube to show the heading through receiving the digital signal from the NMEA0183 communication protocol. Our heading repeater provides digitally accurate, precise readings of the course heading on an easy-to-read, bright display. This item can support the use of our 3-ais digital compass
(Model:DCM300) or other equipment which outputs NMEA0183 protocol signal.
Technical Parameter
Instructions
1)Connect the power cable of SY-422 ,then connect the D+/D- in the RS422
interface to the A+/B- behind the SY-422.
2)Power on for SY-422, it will show the tight course heading at once.
3)According to the environmental change ,you can adjust the brightness of nixie tube
by pressing the bottom in the front panel.

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