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Appendix a - specifications – NorthStar Navigation EXPLORER 657 User Manual

Page 84

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Northstar Explorer 657 Installation and Operation Manual

84

Appendix A - Specifications

GENERAL
Size: 5.9” H x 6.5” W x 2.6” D
(150mm H x 164mm W x 65mm D)

Display: 127 mm (5”) diagonal, TFT color, 480 x

640 pixels.

Backlight: Display and keys

Supply voltage

10.5 V DC to 30.5 V DC.

Supply current: at 13.8 V

350 mA min - no backlighting.

1A max - full backlighting. ]

External beeper or light output: Switched

to ground to sound alarm, 30 V DC, 200 mA
maximum.

Operating temperature

0°C to 50°C (32°F to 122°F)

ALARMS:

User set: Arrival radius, anchor, XTE, danger,
dangerous AIS vessels, too shallow, too deep,
fi sh, temperature, temperature rate, low
battery, 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-

defi ned 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-defi ned map shift.

Chart scale: 0.05 to 4096 nm for chart (chart

dependent) down to 0.01 nm in plotter mode.

SONAR FISHFINDING

Depth range:

0.6 m (2 ft) to 1000 m (3300 ft )

Sonar output:

Power: Variable, up to 600 W RMS
Dual frequency: 50 khz and 200 kHz

Transom transducer cable length:

10 m (33 ft)

Depth acquisition time from startup:

Typically 2 seconds at 30 m (100 ft)

Temperature:

Range 0° to 37.7°C (32° to 99.9°F)
Resolution of 0.1° unit.

Speed (from paddlewheel transducer):

1 to 96.6 kph (57.5 mph, 50 kn).

FUEL COMPUTER
(Optional fuel sensor(s) required)

Engine types:

Outboard carburetted two stroke and EFI

petrol/gasoline engines: 50 to 300 hp.

Outboard four stroke petrol/gasoline engines:

90 to 300 hp.

Inboard petrol/gasoline engines: 70 to 400 hp.

Flow rate:

Minimum: 5 litres per hour (1.3 U.S. gallons per

hour).

Maximum: 130 litres per hour (34 U.S. gallons

per hour).

COMMUNICATIONS

NavBus
Connection to other Northstar instruments.

NMEA

NMEA 0183 ver 2 4800 baud

Inputs from compatible instruments:

BWR, DPT, GGA, GLL, GSA, GSV, HDG, HDM,

HDT, MTW, MWV, RMC, VHW, VTG and DBT

Outputs, for compatible instruments:

APA, APB, BWR, DBT, DPT, GGA, GLL, GSA, GSV,
RMB, RMC, MTW, VHW, VLW, VTG, XTE

STANDARDS COMPLIANCE

EMC:

USA: FCC Part 15 Class B.
Europe: (CE) EN64000-6-1 and EN64000-6-3
New Zealand and Australia: (C Tick) AS-NZS

3548.

Environment: IPx6/IPx7/CFR46 (with card holder

and connections in place)