Furuno 1734C Service Manual

SP - 2

3 TRANSCEIVER

MODULE

3.1 Frequency and Modulation 9410 MHz ±30MHz (X band), P0N
3.2 Peak Output Power

M1724C: 2 kW nominal,

M1734C: 4 kW nominal,

3.3 Modulator

FET Switching Method

3.4 Intermediate Frequency 60 MHz
3.5 Tuning

Automatic

3.6 Receiver Front End

MIC (Microwave IC)

3.7 Bandwidth

MHz

3.8 Duplexer

Circulator with diode limiter

3.9 Warming up

M1724C: 60 s approx, M1734C: 90 s approx.

4 DISPLAY

UNIT

4.1 Display

7-inch rectangular color LCD, 480(H) x 640(V) dots,

Effective radar display area: 432 x 432 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

RI (nm)

0.0625 0.125 0.125 0.25 0.25 0.5 0.5 1 1 2 2 3 4 6 12

Rings

4 3 4 3

4 3 4 3 4 4 4 4 3

Maximum

range:

M1724C: 24nm, M1734C: 36nm

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

>HDM

Course: RMC>RMA>VTG
Water depth:

DPT>DBT

Wind: MWV>VWT>VWR
Water Temperature:

MTW

Time:

ZDA

: calculated by magnetic deviation