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Horis User Manual
2.4.4
Power - PWR
Connect supplied power cable at the back of the instrument. Power
connector has a notch on one side, which protects against wrong
polarity, see Figure 9.
Connect blue lead to negative (ground) terminal and red lead to
positive (+12-24 V) terminal.
A 1 ampere slow fuse or a similar circuit breaker shall be used on the
positive lead.
2.4.5
GPS Antenna - GPS
Please consider mounting GPS antenna, as follows:
• Find a good spot in a cabin where the antenna is able to see
blue sky during most of the aircraft movement. Such a good
spot can be usually found on the top of the instrument panel
cover, just below the canopy.
• Mounting surface should be flat, clean and rigid.
• Avoid close proximity to any transmitting antennas like radio
stations, transponders or any other active GPS antennas (GPS
antennas may interfere each other).
+12 V ... red
GND ... blue
Figure 9: Pins of the power connector.
20
2.4 Connections
© Kanardia 2021
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