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Furuno NAVNET 1823C User Manual

Page 247

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SP - 3

E3503S02J-M

03/09/24

3.5 Tuning

Automatic or manual

3.6 Receiver Front End

MIC (Microwave IC)

3.7 Bandwidth

Tx pulselength 0.08

µ

s and 0.3

µ

s: 25 MHz

Tx pulselength 0.8

µ

s: 3 MHz

3.8 Duplexer

Circulator with diode limiter

3.9 Warming up

90 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

4

3 4 3

4

3 4

3

4

4 4 4 3 4

4

4

Maximum

range:

M1823C: 24nm, M1833C: 36nm, M1933C: 48nm, M1943C: 64nm, M1953C: 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

4.6 Output

Data

Alarm signal

12 VDC, 100 mA or less