Furuno 841 MARK-2 manual Initial Adjustment of Picture, Displaying the Installation Menus

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5.4 Initial Adjustment of Picture

Follow the procedure below to obtain proper radar picture.

1)Press the [POWER] key on the display unit. The display should light. Wait until the mes- sage “ST-BY” appears on the screen. (About 1:30.

2)Press [TX ST-BY] key to transmit. The ra- dar will start transmitting, and you will prob- ably see some targets around you, even though the radar is not yet properly adjusted.

3)Select a long range.

4)Press the [ECHO] key. The following dis- play appears.

GAIN [MANAUTO

1

2

3

Item selected

STC [MANAUTO

 

 

 

for adjustment

1

2

3

 

A/C RAIN

00

 

 

 

 

FTC

0 1 2

 

 

 

 

12

 

 

 

 

Current

 

 

 

 

level

ECHO KEY

TO EXIT

Figure 5-14 Display for adjustment of gain,

STC, A/C RAIN and FTC

5)Press the cursor pad to select GAIN-AUTO, if it is not already selected.

6)Select minimum range. Press the [ECHO] key and press the cursor pad to select STC- AUTO, if it is not already selected.

5.5Displaying the Installation Menus

Two sets of installation menus, Installation Setup 1 and Installation Setup 2 enable entry of initial settings and adjustment of the radar.

Procedure

1)Turn on the power while pressing and hold- ing down the [HM OFF] key.

2)Press the [MENU] key.

MAIN MENU

Select item by ▲▼ keys and press ENT key.

1.Backlight/Brilliance

2.P/L, IR, NR & Radar Mode

3.Nav Data

4.Mode & Function

5. Tuning

AUTO

MANUAL

6.Self Check

7.Installation Setup 1

. . . . . . . . . . . . . . . . .

Press HM-OFF to temporarily hide menu.

<Press MENU key to escape.>

Figure 5-15 main menu

3)Press the cursor pad to select Installation Setup 1 and press the [ENT] key.

INSTALLATION SETUP 1

Select item and option by ▲▼ keys.

1. Key Beep

OFF

ON

2. Hdg Sensor

MAG

GYRO

3. Ant on Tx

ROTATE STOP

4.

Demo Display

OFF

ON

5.

Antenna Unit

M841 M841 MK2

6.. Installation. . . . .Setup. .2 . . . . . . . . .

Press HM-OFF to temporarily hide menu.

<Press MENU for main menu.>

Figure 5-16 Installation setup menu 1

4)To display the Installation Setup 2 menu, press the cursor pad to select Installation Setup 2.

INSTALLATION SETUP 2

Select item and option by trackball.

1.Align Heading

2.Adjust Sweep Timing

3.On Hours 000019.8 H

4.Tx Hours 000016.0 H

. . . . . . . . . . . . . . . . .

Press HM-OFF to temporarily hide menu.

<Press MENU for main menu.>

Figure 5-17 Installation setup 2 menu

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Contents Marine Radar B . N o . O M E 3 4 4 4 Safety Instructions Do not open the equipment Stay away from transmitting antennaDo not disassemble or modify the equipment Do not operate the equipment with wet handsIii Use the correct fuseTable of Contents Features ForewordSpecifications Antenna UnitTransceiver Module contained in radome Display UnitInterface Nmea Installation Materials CP03-15xx Accessories FP03-05900Equipment List Complete SetOptional Equipment Configuration Model 841 MARK-2Principle of Operation How radar works Operation Control DescriptionDisplay Indications and Markers Turning the Radar On and Off5NM 675NM 220.9R 0.646NM 308.7RAdjusting LCD Backlighting and Display Tone Adjusting Control Panel BrillianceTransmitting Selecting the RangeAdjusting GAIN, STC, A/C Rain and FTC General procedureSTC MAN Auto Tuning the Receiver Adjusting A/C RainAdjusting FTC How to tune manuallyMeasuring the Range Measuring the BearingMenu Operation Press the Menu key to open the menu. The main menu appearsSee the table on the next Menu description Menu FunctionSelecting the Display Mode 11 Display modesSelecting the Presentation Mode Window DisplayCourse-up, you may select CU or WPT- UP, on the menu CU course-upGuard Alarm Setting the guard zoneSilencing the audible alarm WPT-UP waypoint-upCanceling the guard zone Suppressing Radar InterferenceSuppressing Noise Interference Off Centering the DisplaySelecting Pulselength Echo Trails Navigation Data DisplaySetting up the nav data display Echo Stretch magnifying long range echoesPress the Menu key Select Nav Data and press the ENT key Turning echo stretch on or offSelecting Unit of Measurement for Range Selecting Bearing ReferenceWatchman Turning on watchmanCanceling watchman Erasing the Heading MarkerDeselecting Ranges Displaying Navigation Data During Stand-byVisual Alarm Indications Error Visual alarmOutputting Cursor Position to Navigator Displaying Cursor Position, Range and Bearing to CursorInterpreting the Display Radar Wave and Radar HorizonTarget Properties and Radar Wave Reflection Super-refractionBearing Resolution Range ResolutionFalse Echoes Multiple echoesSide-lobe echoes Indirect echoesNautical Chart and Radar Picture Maintenance & Troubleshooting Safety InformationPreventative Maintenance Replacing the FusePeriod Check point Remarks Troubleshooting But ThenSelf Test Self TestAntenna Unit Installation Siting, handling considerationsMounting Holes for antenna unit Parallel with the fore and aft lineDisplay Unit Installation Mounting considerationsMounting procedure Display unit is designed to be mounted on a tabletop Signal cable connection ConnectionsTo connect external equipment to the OP- Tion connector For E/SNavigation aid, video sounder connection Heading Sensor ConnectionInstallation Check List RadarInitial Adjustment of Picture Displaying the Installation MenusFollow the procedure below to obtain proper radar picture Entering Initial Settings Relative Bearing AlignmentSweep Timing Closing the Installation Menus Press the Menu key and turn off the powerPage Page Page Page Page Page