Furuno 1761 MARK-3 User Manual
Page 31

SP - 2
E3481S01B
4. DISPLAY UNIT
4.1. Indication System
PPI Daylight display, raster scan, 8 tones in monochrome
4.2. Picture Tube
7 inch rectangular monochrome CRT
Effective display area more than 100 mm
4.3. Range, Range Interval, Number of Rings
Range
(NM)
0.25 0.5 0.75 1 1.5 2 3 4 6 8
12
16
24
48
Ring Interval (NM) 0.125 0.125 0.25
0.25
0.5 0.5 1 1 2 2 3 4 6 12
Number
of
Rings
2
4
3 4 3 4 3 4 3 4 4 4 4 4
4.1. Markers
Heading Line, Bearing Scale, Range Rings,
Variable Range Marker (VRM),
Electric Bearing Line (EBL), Tuning Bar, Cursor, Alarm Zone,
Waypoint Mark (navigation input required),
North Mark (heading sensor input required)
4.2. Alphanumeric Indications Range, Range Ring Interval, Interference Rejection (IR),
Stand-by (ST-BY), Radar Alarm (G(IN), G(OUT), G(ACKN)),
Range, Bearing and Latitude/Longitude of Cursor,
Echo Stretch (ES), Echo Plot (PLOT), Plot Elapsed Time,
Navigation Data (navigation input required),
Heading
(HDC, heading sensor input required)
4.3. Input Data
NMEA0183 (Ver.1.5/2.0), current loop
Own ship’s position:
GGA>RMA>RMC>GLL (accept GLL in NMEA Version1.5 only)
Speed: RMA>RMC>VTG>VHW
Heading (True):
HDT>HDG
*1
>HDM
*1
>VHW>VHW
*1
Heading (Magnetic):
HDM>HDG
*1
>HDT
*1
>VHW>VHW
*1
Course (True):
RMA>RMC>VTG
Course (Magnetic):
VTG>RMC>RMA
Waypoint (Range, Bearing): RMB>BWC>BWR
Loran time difference:
RMA>GLC>GTD
*1: calculated by magnetic drift.
4.4. Output Data
NMEA 0183 (Version 1.5/2.0), RS-422
5. ENVIRONMENTAL CONDITION
5.1. Ambient Temperature
Antenna Unit: -25°C to +70°C
Display Unit: -15°C to +55°C
5.2. Relative Humidity
95 % or less at +40°C
5.3. Waterproofing
Antenna Unit: IPX6
Display Unit: IPX4
6. POWER SUPPLY & POWER CONSUMPTION
6.1. Power Supply
12-32 VDC (10.2 to 40.0 VDC), 58 W approx.
6.2. Voltage and Current
XN-10A (24rpm): 12 VDC: 4.5 A, 24 VDC: 2.0 A, 32 VDC: 2.0 A
6.3. Power Consumption
XN-10A (24rpm): 70 W to 90 W (100 kt)