Furuno 1942 MARK-2 - Manual (Page 46)

SP - 2
(8) Bandwidth Tx pulselength 0.08
μs and 0.3 μs: 25 MHz
Tx pulselength 0.8
μs: 3 MHz
(9) Duplexer Circulator with diode limiter
4. DISPLAY UNIT
(1) Indication System PPI Daylight display, raster scan, 8 tones in monochrome
(2) Picture Tube 10 inch rectangular monochrome CRT
effective display area more than 150 mm
(3) Range, Range Interval, 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
Ring Interval (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
Number of Rings 2 2 4 3 4 3 4 3 4 3 4 4 4 4 3 4 4
Maximum Range; MODEL 1932 M2: 48 nm, MODEL 1942 M2: 64 nm
(4) Markers Heading Line, Bearing Scale, Range Rings,
Variable Range Marker (VRM1, VRM2),
Electronic Bearing Line (EBL1, EBL2),
Tuning Bar, Cursor, Parallel Cursor,
Alarm Zone, Waypoint Mark (navigation input required),
North Mark (heading sensor input required)
(5) Alphanumeric Indications Range, Range Ring Interval, Pulselength (SP, MP, LP),
Display Mode (HU,CU,NU,TM),
Interference Rejection (IR1,IR2,IR3),
VRM (1, 2), EBL (1, 2), Automatic A/C SEA (A/C AUTO),
Stand-by (ST-BY), Radar Alarm (G(IN), G(OUT), G(ACKN)),
Echo Stretch (ES1, ES2), Cursor Range, Bearing or L/L Position,
Echo Tailing (TRAIL), Trailing Time, Trailing Elapsed Time,
Navigation Data (navigation input required),
Heading (HDC, heading sensor input required)
(6) Input Data NMEA0183 (Ver.1.5/2.0), current loop
Own ship
’s position:
GGA>RMC>RMA>GLL (accept GLL in NMEA Version 1.5 only)
Speed: RMC>RMA>VTG>VHW
Heading (True): HDT>HDG
*1
>HDM
*1
>VHW>VHW
*1
Heading (Magnetic): HDM>HDG
*1
>HDT
*1
>VHW>VHW
*1
Course (True): RMC>RMA>VTG
Course (Magnetic): VTG>RMC>RMA
Waypoint (Range, Bearing): RMB>BWC>BWR
Loran time difference: RMA>GLC>GTD
Water depth: DPT>DBT>DBK>DBS