Geonav 4C Manuel D'emploi Et D'installation page 5

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Characteristics
CHARACTERISTICS
General characteristics
Portable chart plotter with built-in GPS receiver and an-
tenna
12-channel internal GPS
Satellite acquisition time:
2 minutes (cold)
15 minutes first fix
GOTO function (Port, Nearest Service, Marker, Lat/Lon)
External GPS or depth sounder interface via NMEA 0183
Display of depth and water temperature data (if interfaced
with an echosounder)
Autopilot interface via NMEA 0183
Chart Rotation (head-up display)
Screen Amplifier™ function
Autozoom™ function
Overzoom™ function
Easy View™ function
8 marker shapes, 8-character name
Reverse route function
Selectable depth units (meters, feet and fathoms)
Cartography with port services and Tides and Currents
data
16 zoom levels
Heading vector
CompactFlash™ cartridge
Storage of routes, tracks and markers in separate files on
CompactFlash™ cartridges
Built-in world map
Waterproof (IPX7)
Weight: 450 g., batteries included
Electrical characteristics
Input voltage: 9.8 VDC to 18 VDC with protection against
reverse polarity and overvoltage
Battery pack: 4 alkaline or rechargeable batteries (AA)
English
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Built-in battery charger (for rechargeable batteries only; see
par. Battery Pack)
Power consumption: 2.2 W
Operating temperature: -20° to +70° C, with 12Vdc exter-
nal power supply. The range is reduced with battery sup-
ply, depending on the type of battery used. Humidity
9 3%
Storage temperature: -20°C to +70°C, with 12Vdc external
power supply. The range is reduced with battery sup-
ply, depending on the type of battery used. Humidity
9 3%
Color LCD, transflective, TFT 4", sunlight visible
Adjustable backlight and contrast
Backlight keypad
Pixel resolution: 240 x 320
ARM9 RISC processor
Memory characteristics
Up to 20 waypoints per route
Up to 500 trackpoints
Up to 99 markers per group
Number of routes, tracks and markers: unlimited, depend-
ing on the size of the CompactFlash™ used
Interface characteristics
Standard NMEA 0183 sentences
- from the position sensor:
GLL, VTG, GGA, RMC, GSV, ZDA, RMA, GSA
- from the depth sounder:
DBT, MTW
- to the autopilot:
APA, APB, XTE, RMB, BWC, GLL, VTG
If received from the GPS, the following sentences are trans-
mitted:
GGA, RMC, ZDA
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