Furuno 841 MARK-2 - Manual

Furuno 841 MARK-2

Furuno 841 MARK-2 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 3 – iiiiiiiiiiiii; The level of risk appearing in the notices is defined as follows:; SAFETY INSTRUCTIONS; CAUTION
  • Page 4 – ii; Safety Instructions for the Operator; Do not open the equipment.; Electrical shock can result.; Keep heater away from equipment.; WARNING
  • Page 5 – iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii; iii; Safety Instructions for the Installer; Use the correct fuse.
  • Page 6 – Outputting Cursor Position to; DISPLAY; The Radar Wave and Radar Horizon21; TROUBLESHOOTING; TABLE OF CONTENTS
  • Page 7 – vi; Features; FOREWORD
  • Page 8 – vii; Antenna Unit; SPECIFICATIONS
  • Page 9 – viii; Total amplitude; Ambient temperature; Interface NMEA; Input; RSD : A cycle of four seconds
  • Page 10 – ix; EQUIPMENT LIST; Complete Set; ll; il
  • Page 11 – Optional Equipment; li
  • Page 12 – xi; CONFIGURATION
  • Page 13 – The Radar Display; PRINCIPLE OF OPERATION
  • Page 14 – Figure 1-1 How radar works
  • Page 15 – Control Description; Figure 2-1 Control panel
  • Page 16 – Turning the Radar On and Off; Turning the radar on; Display Indications and Markers; Figure 2-2 Display indications
  • Page 17 – Selecting the Range; • When navigating in or around crowded; Procedure; Figure 2-3 Display for adjustment of; Procedure; ) Press the cursor pad to select Backlight/
  • Page 18 – General procedure; GAIN; Figure 2-4 Display for adjustment of; Figure 2-5 Effect of STC
  • Page 19 – Adjusting FTC; Tuning the Receiver; Figure 2-7 Tuning indicator; Manual tuning; ) Press the cursor pad to select Tuning.; How to tune manually
  • Page 20 – Figure 2-8 Measuring range by the VRM; Measuring the Bearing; By cursor; ) Press the cursor pad to bisect the target; Measuring the Range; By range rings; key to display the VRM.
  • Page 21 – Figure 2-9 Measuring bearing by the EBL; Tips for measuring the bearing; Figure 2-10 Main menu; Menu description
  • Page 22 – Table 1-1 Menu description; Menu
  • Page 23 – Figure 2-11 Display modes
  • Page 24 – The Window Display; Selecting the type of window display; ) Select Window Display to Zoom or Wide; Selecting the area for the zoom picture; ) Press the cursor pad to place the circle
  • Page 25 – Figure 2-13 In and out alarms; Setting the guard zone
  • Page 26 – • When the radar range is less than one half; Figure 2-14 How to set a guard zone; est degree of interference rejection
  • Page 27 – Selecting Pulselength; ) Select Pulselength to SHORT or LONG; Off Centering the Display; ) Locate the cursor where you want to the
  • Page 28 – Starting echo trail; Figure 2-17 Appearance of echo trails; Fixed time trails
  • Page 29 – Figure 2-18 Sample nav data display; Setting up the nav data display; Figure 2-19 Nav data menu; Turning echo stretch on or off
  • Page 30 – How watchman works; Figure 2-21 How watchman works; Turning on watchman; with the guard alarm function.
  • Page 31 – Canceling watchman; Deselecting Ranges; Active ranges appear in reverse video.; ) Select the Nav Data menu and press the; ST–BY; Figure 2-22 Navigation data display
  • Page 32 – Visual Alarm Indications; Table 2-1 Visual alarm indications
  • Page 33 – Radar horizon; Figure 3-1 Radar horizon; How the radar wave travels; INTERPRETING THE DISPLAY
  • Page 34 – Figure 3-2 Range resolution; Bearing Resolution; Figure 3-3 Bearing resolution; Multiple echoes
  • Page 35 – Indirect echoes; • their shapes may indicate they are not di-
  • Page 36 – Blind and shadow sectors; Figure 3-7 Blind and shadow sectors
  • Page 37 – Safety Information; ELECTRICAL SHOCK HAZARD; RF RADIATION HAZARD
  • Page 38 – Table 4-1 Recommended maintenance program
  • Page 39 – Table 4-2 Troubleshooting table
  • Page 41 – Unpacking the antenna unit; Figure 5-2 Antenna unit; Antenna Unit Installation; Siting, handling considerations
  • Page 42 – Mounting platform; Holes for antenna unit:; Prepare a platform of 5 to 10 millimeters in; Figure 5-3 Assembling the sailboat mast; Figure 5-5 How to fasten the radome base; Wiring and final preparation; Drill a hole of at least 20 millimeters diam-
  • Page 43 – Figure 5-7 Signal cable, antenna unit side; Figure 5-9 How to attach EMC core; Display Unit Installation; Mounting considerations; Figure 5-10 How to position the radome
  • Page 44 – ) Using the hanger as a template, mark screw; Cutting size for flushmount; Figure 5-11 How to mount the display unit
  • Page 45 – Connections; Signal cable connection; Connect the signal cable to DJ-1 on the rear
  • Page 46 – The OPTION connector; ) Remove the plastic cover on the connector.; ) Cover signal cable at junction with display
  • Page 47 – Installation Check List
  • Page 48 – Initial Adjustment of Picture; Figure 5-14 Display for adjustment of gain,; if it is not already selected.; ) Turn on the power while pressing and hold-; Figure 5-15 main menu; ) Press the cursor pad to select Installation; Figure 5-16 Installation setup menu 1; ) To display the Installation Setup 2 menu,; Figure 5-17 Installation setup 2 menu
  • Page 49 – Entering Initial Settings; ) At the Installation Setup 1 menu, press; Relative Bearing Alignment; ) Display the Installation Setup 2 menu.; Figure 5-18 Installation setup 2 menu; ) Press the cursor pad to bisect the target se-; Figure 5-19 Examples of improper and
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MODEL 841 MARK-2

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Summary

Page 3 - iiiiiiiiiiiii; The level of risk appearing in the notices is defined as follows:; SAFETY INSTRUCTIONS; CAUTION

iiiiiiiiiiiii i "WARNING" and "CAUTION" notices appear throughout this manual. It is the responsibil-ity of the operator and the installer of the equipment to read, understand and follow thesenotices. If you have any questions regarding these safety instructions, please contact aFURU...

Page 4 - ii; Safety Instructions for the Operator; Do not open the equipment.; Electrical shock can result.; Keep heater away from equipment.; WARNING

ii Safety Instructions for the Operator Use the proper fuse. Use of a wrong fuse can result in fire orpermanent equipment damage. Do not use the equipment for other thanits intended purpose. Personal injury can result if the equipmentis used as a chair or stepping stool, forexample. Do not place obj...

Page 5 - iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii; iii; Safety Instructions for the Installer; Use the correct fuse.

iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii iii Safety Instructions for the Installer Do not work inside theequipment unless totallyfamiliar with electricalcircuits. Hazardous voltage which cancause electrical shock, burn or serious injury exists inside the equipment. Wear a safety belt and hardhat when...

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