CA42/50/52 Troubleshooting, Maintenance and Service Chapter 11
148
GPS Antenna RS5640 DGPS Antenna MGL-3
Type: Quadrifilar Helix. Patch (GPS) H-field (diff.).
Dimensions: L:230mm, D:38mm
H:75mm, D:127mm
Weight: 150gr (0.33 lbs) 600gr (1.3 lbs)
Environment: -35°Cto+75°C, 95% rel.
Mounting: 1” 14 thread (standard US).
Cable: 10m RG58 (standard), 15m RG58 (option) - Max. 30m RG213.
Chartplotter section
Chart system: C-MAP NT+
Presentation: Two charts in different scales on screen simultaneously.
Radar and chart split screen.
Echosounder section
Frequencies: 38, 50 and 200 kHz, selectable.
Output power: Variable up to 1kW RMS per channel.
Impedance: 75 ohms
Displayranges:3to3000metersin21steps,andauto.
Detection
ranges: Frequency Beam Fish* Bottom*
38 kHz 13x21° 410m 1800m
50 kHz 10x16° 430m 1500m
200 kHz 7° 290m 550m
*Single Fish Target Strength: -30dB (60cm cod)
*Bottom Back Scattering Strength: -20dB
*Simrad transducer C38/200 or C50/200
Pulse length: Short, medium, long and auto.
Max. trans-
mission rate: 10 pings per second.
Alarms: Fish, max. and min. depth.
Zoom mode: Bottom and VRM expansion = 3 to 50 meters, feet or fathoms.
Event markers: At current echo (ping) and depth memory.
Picture speed: True distance or time (3 steps), 1 step/ping and freeze.
Noise filter: User-selectable on/off.
Presentation: A-scope and white line discrimination.
Temperature: Transducer or NMEA.
Speed: Transducer or NMEA.
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