Furuno NAVNET GD-1920C - Manual (Page 228)

SP - 3
3.4 Intermediate Frequency 60 MHz
3.5 Tuning
Automatic or manual
3.6 Receiver Front End MIC (Microwave IC)
3.7 Bandwidth Tx pulselength 0.08 µs and 0.3 µs: 25 MHz
Tx pulselength 0.8 µs: 3 MHz
3.8 Duplexer Circulator with diode limiter
3.9 Warming up 90 to 180 s approx.
4 DISPLAY UNIT
4.1 Display 10.4-inch rectangular TFT color LCD
640(H) x 480(V) dots, Effective radar display dia.: 152 mm
4.2 Range, Range Ring Interval (RI), Number of Rings
Range (nm) 0.125 0.25 0.5 0.75 1 1.5 2 3 4 6 8 12 16 24 36 48 64 72
RI (nm)
0.0625 0.125 0.125 0.25 0.25 0.5 0.5 1 1 2 2 3 4 6 12 12 16 18
Rings 2 2 5 4 5 4 5 4 5 4 5 5 5 5 4 5 5 5
Maximum range: 1824C: 24nm, 1834C: 36nm, 1934C: 48nm, 1944C: 64nm, 1954C: 72nm, 1964C: 72nm
4.3 Markers Heading Line, Bearing Scale, Range Rings,
Variable Range Marker (VRM), Electronic Bearing Line (EBL),
Alarm Zone, Waypoint Mark (navigation input required)
4.4 Alphanumeric Indications Range, Range Ring Interval, Interference Rejection (IR),
Variable Range Marker (VRM), Electronic Bearing Line (EBL),
Stand-by (ST-BY), Echo Averaging (EAV), TX Pulse width
Guard Alarm (G(IN), G(OUT)), Echo Stretch (ES),
Range and Bearing to Cursor or Cursor Position,
Echo Trailing (TRAIL), Trailing Time,
Data Box (Position, COG, SOG, STW, etc. selectable on menu)
4.5 Input Data IEC 61162-1 (NMEA 0183 Ver1.5/2.0)
Own ship’s position: GGA>RMC>RMA>GLL
Ship’s speed: RMC>RMA>VTG>VHW
Bearing (True): HDT>HDG *1 >HDM *1 >VHW
Bearing (Magnetic): HDM>HDG *1 >HDT *1 >VHW
Course: RMC>RMA>VTG
Water depth:
DPT>DBT>DBS>DBK
Wind: MWV>VWT>VWR
Water Temperature:
MTW
Time: ZDA
*1 : calculated by magnetic deviation