Northstar
EXPLORER 550/550i
Installation and Operation Manual
60
GENERAL
Size
:
EXPLORER
550/550i:
150mm H x 164mm W x 65mm D
(5.9” x 6.5” x 2.6”)
Display
:
EXPLORER 550, 550i: 5” diagonal, TFT color, 234
x 320 pixels
Backlight
: Display and keys
Supply voltage
10.5 to 32 V DC.
Supply current
: at 13.8 V
300 mA min - no backlighting
550 mA max - full backlighting
External beeper or light output
: Switched
to ground to sound alarm, 30 V DC, 200 mA
maximum.
Operating temperature
0° to 50°C (32° to 122°F)
ALARMS
:
User set: Arrival radius, anchor, XTE, danger,
low fuel (optional), loss of DGPS fix
Fixed: Loss of GPS fix
GPS NAVIGATION
Chart card
: C-MAP™
NT-MAX, NT+ or NT
User card
: 3.3 V C-MAP™
Waypoints
: Up to 3000, with default or
user-defined alphanumeric names up to eight
characters.
Routes
: 25 Routes, with up to 50 points each
Tracks
: By time or distance, one track of 2000
points and four of 500 points.
Chart datums
121 Chart datums (see next page)
One user-defined map shift.
Chart scale
: 0.05 to 4096 nm for chart (chart
dependent) down to 0.01 nm in plotter mode.
COMMUNICATIONS
NavBus
Connection to other Northstar instruments.
NMEA
NMEA 0183 ver 2 4800 baud
•
Inputs from compatible instruments: DBT, DPT
(preferred), GGA, GLL, GSA, GSV, MTW, MWV,
RMC, VHW, VTG
Outputs, for compatible instruments: APA, APB,
BWR, GGA, GLL, GSA, GSV, RMB, RMC, VTG, XTE
STANDARDS COMPLIANCE
EMC
:
USA: FCC Part 15 Class B.
Europe: (CE) EN301843-1:2004-06.
New Zealand and Australia: (C Tick) EN60945
9.2 & 9.3.
Environment
: IPx6/IPx7/CFR46 (with card holder
and connections in place).
Appendix A - Specifications