Furuno 1761 MARK-3 Manuel d'utilisateur

1-11.1 What is Radar?The term “RADAR” is an acronym meaningRAdio Detection And Ranging. Although thebasic principles of radar were developed dur-ing

1-2ABCDOwn ship(radar)DABCHeading markerTargetsOwn shipin center(A) Bird's eye view of situation(B) Radar picture of (A)Range and bearing of a ta

2-12. OPERATION2.1 Control DescriptionPOWERBRILLSHIFTZOOMRINGEBL VRM MENURANGEOFFECONOMYSTBYT XGAINPUSH/HM OFFA/C SEAA/C RAINTurns power on.Press tog

2-22.2 Turning the Radar On/OffAfter confirming there are no crew near thescanner unit, press the [POWER] key to turnon the power.The front panel wil

2-3echoes and the background noise on the dis-play.To adjust receiver sensitivity, transmit on longrange, and adjust the [GAIN] control so back-groun

2-42.9 Adjusting the A/C RAINControl(reducing rain clutter)The vertical beamwidth of the antenna is de-signed to see surface targets even when theshi

2-52.13 Select the Cursor DataDisplayWhen connecting with NAV (IEC61162 for-mat) and gyro converter (IEC61162 or AD-10 format), this radar can show t

2-62. Position the EBL so it bisects the targetby operating the trackball.3. Press the [EBL] key again to fix the EBLto the position.4. Check the bea

2-72. Press the [SHIFT/ZOOM] key. The indi-cation “ZOOM” appears and brinks.3. To turn off the zoom, press the [SHIFT/ZOOM] key again, or change the

2-82.19 Echo StretchNormally, the reflected echoes from long dis-tance targets appear on the screen as weakerand smaller blips even through they are

C 9-52, Ashihara-cho, Nishinomiya, Japan Telephone: 0798-65-2111 Telefax: 0798-65-4200 Your Local Agent/Dealer All rights re

2-92.22 Selecting RangesThis radar has 14 ranges, some which youmay not require. You can select or deselectranges as follows.1. Press the [MENU] key

2-10Note 2: A target echo does not always meana landmass, reef, ships or surface objects butcan imply returns from sea surface or pre-cipitation. As

2-111. Determine the guard zone (usually 360degrees) with the guard alarm function.2. Press the [MENU] key to open the menu.3. Operate the trackball

2-12If the output format is FURUNO CIF a jumperwire must be connected to “JUP1” on the SPUBoard in the display unit. Note that for CIFformat the bear

3-13. FALSE ECHOES3.2 Side-lobe EchoesEvery time the scanner rotates, some radia-tion escapes on each side of the beam—called “side-lobes.” If a targe

3-23.3 Indirect EchoesIndirect echoes may be returned from eithera passing ship or returned from a reflectingsurface on your own ship, for example, as

3-33.5 SART (Search and Rescue Transponder)A Search and Rescue Transponder (SART)may be triggered by any X-Band (3 cm) ra-dar within a range of a

4-1This chapter tells you how to keep your ra-dar in good working order. Before reviewingthis chapter please read the safety informa-tion which follow

4-24.3 TroubleshootingTable 4-2 contains simple troubleshootingprocedures which you can follow to try to re-store normal operation. If you cannot rest

4-34.4 Life Expectancy of MagnetronThe following table shows the life expectancyof the magnetrons.Table 4-3 Life expectancy of magnetronsepyTnort

iSAFETY INSTRUCTIONSDANGERRadio Frequency Radiation HazardThe radar antenna emits electromagnetic radio frequency (RF) energy which can beharmful, pa

SP - 1 E3481S01B SPECIFICATIONS OF MARINE RADAR MODEL 1761 MARK-3 1. GENERAL 1.1. Indication System PPI Daylight display, raster scan, 8 tones

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 rect

SP - 3 E3481S01B 7. COATING COLOR 7.1. Display Unit Panel: N3.0, Chassis: 2.5GY5/1.5 7.2. Antenna Unit N9.5 8. COMPASS SAFE DISTANCE 8.1. Dis

IN-1IndexAA/C RAIN control ... 2-4A/C SEA control ... 2-3BBearing measurement ...

iiDANGERBefore turning on the radar make sure no one is near the scanner unit.Prevent the potential risk of someone begin struck by the rotating ante

iiiCongratulations on your choice of theFURUNO MODEL 1761 MARK-3 Marine Ra-dar. We are confident you will see why theFURUNO name has become synonymous

ivTABLE OF CONTENTSFOREWORD ... iiiMENU TREE ... vTABLE OF CONTENTS BYINDICATION, MARKER ...

vMENU TREE1. ECHO STRETCH (ON, OFF)2. I. REJECT (OFF, ON)3. PANEL DIMMER (0, 1, 2, 3, 4)4. PLOT INTVL (CONT, 30S, 1M, 3M, 6M)5. PLOT BRILL (LOW,@HIGH

viTABLE OF CONTENTS BYINDICATION, MARKERMAG 115.0¡SHIFT12 NM3.0 NM PLOT 3M FTCIR GUARDVRM2.62 NM315.1 R¡9.05 NMEBL45.6 R¡ 18:25 ES*WATCHMANTun

viiSYSTEM CONFIGURATION*Equivalent to NMEA 0183 OptionRDP-099NavigationdeviceIEC 61162* (In/Out)Gyro-compassGyro ConverterAD-10012/24/32