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Reference Manual
10 Specifications
Electrical
Supply voltage: 10.5 to 30.5 V DC.
Supply current ( at 13.8 V):
Without backlighting: 160 mA.
With full backlighting: up to 390 mA.
Other optional instruments: refer to the instrument’s
operation manual.
Interfaces
NavBus: connection to MCU and other
Northstar instruments.
NS 3300 Display unit power/data cable wires:
Black connector - Power
Pin Wire color Signal
5 Red Power positive, 10.5 to 30.5 V DC
1BlackPower negative
6 Orange NavBus +
4 Blue NavBus -
7 Yellow Factory use (isolate, do not cut)
3 White Factory use (isolate, do not cut)
8 Green External alarm, switched to ground, 30 V DC and 250 mA max.
2 Brown +9V out
Green connector - NavBus expansion
Pin Wire color Signal
5 Red Factory use (isolate, do not cut)
1BlackPower negative
6 Orange NavBus +
4 Blue NavBus -
7 Yellow Factory use (isolate, do not cut)
3 White Factory use (isolate, do not cut)
8 Green Factory use (isolate, do not cut)
2 Brown +9V out
Standards compliance
EMC compliance:
USA (FCC): Part 15 Class B
Europe (CE):IEC 60945:2002 Clause 9 & 10.
New Zealand and Australia (C Tick):
IEC 60945:2002 Clause 9.
Environment:
IPx6 and IPx7 - completely waterproof.