Furuno gp-31 Manuel D’Utilisation

 

 

E4399S02B 

 

1. ANTENNA UNIT 

(1) GP-31 

GPA-017 (GPS antenna) 

(2) GP-36 

GPA-019 (GPS antenna with H-field Beacon ANT) 

   

GPA-018 (GPS antenna with E-field Beacon ANT) 

  

selectable 

 

2. GPS RECEIVER 

(1) Receiving System 

12 channels parallel, 12 satellite tracking 

(2) Rx Frequency 

1575.42 kHz 

(3) Rx code 

C/A code 

(4) Position Fixing System 

All in view, 8-state Kalman filter 

(5) Position Accuracy 

Approx. 50 m (GPS), or approx. 5 m (DGPS), 95% of the time, 

   

horizontal dilution of position (HDOP) 

≤

4  

 

Note: All GPS receiver are subject to degradation of position and 

 

velocity accuracy under the U.S. Department of Defense. 

 

Position may be degraded. 

(6) Tracking velocity 

999 kts 

(7) Position-fixing time 

Warm start: 12 seconds, Cold start: 90 seconds 

(8) Position Update Interval 

1 second 

(9) Beacon Receiver (GP-36) 

Frequency range: 283.5 to 325.0 kHz 

   

MSK rate: 50, 100, 200 bps (auto or manual, selectable) 

   

3. DISPLAY SECTION 

(1) Display 

95 x 60 mm (120 x 64 dot matrix) 

(2) Display Mode 

Plotter, Steering, Highway, NAV data, User display (Digital data or 

  

Speedometer) 

(3) Display 

Mercator projection 

   

Position indication (L/L, Loran C LOP or Decca LOP) 

(4) Memory Capacity 

Track: 1000 pts, Waypoint: 950 pts with comment (16 charactor) 

(5) Storage Capacity 

50 routes with 30 waypoints each 

(6) Alarms 

Arrival and anchor watch, Cross track error, 

 

Ship’s speed in and out alarms, DGPS alarm, Time alarm, Trip alarm 

(7) Display Scale 

Plotter display: 

0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 40, 80, 160, 320 nm 

Highway display: 

0.2, 0.4, 0.8, 1, 2, 4, 8, 16 nm