Furuno 821, 841 manual Window Display, Selecting the Presentation Mode, CU course-up

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2.14 The Window Display

Area selector (1/4 or 1/3 of range)

The window display appears at the bottom right (or left) 1/4 of the display. Two types of window displays are available: zoom and wide. Zoom doubles the size of the area se- lected by the operator, and wide (range-up) compresses and displays the entire radar pic- ture on the next higher range.

Note: The zoom display does not function on the 0.125 and 0.25 nm ranges.

Window display area

VRM

EBL

+CURSOR

**.** NM

***.*°R

***.**NM ***.*° R

(1)Press [DISP MODE] to select the window display.

VRM

EBL

+CURSOR

**.** NM

***.*°R

***.**NM ***.*° R

(2)Press cursor keys to select area to zoom and press [ENT].

Selecting the type of window display

1)Press the [MENU] key.

2)Select Mode & Function and press the [ENT] key.

Note: When you place the circle cursor behind the window display, the window display shifts left (or right) so you may view the circle cursor.

3)Select Window Display to Zoom or Wide (range-up).

4)Press the [ENT] key followed by the [MENU] key.

Selecting the area for the zoom picture

1)Press the [DISP MODE] key to select the window display. The area selector is a solid circle.

2)Press the cursor pad to place the circle cursor (area selector) on the area to zoom.

3)Press the [ENT] key. The area selector becomes a dashed circle and the cursor can be moved indepedently.

To reselect area to zoom, press [ENT] or [DISP MODE] and follow steps 2 and 3.

Figure 2-12 How to select

the area to zoom

2.15Selecting the Presentation Mode

This radar provides four presentation modes: head-up, course-up (course-up or waypoint- up; selectable on menu), north-up and true motion. Press the [DISP MODE] and [HM OFF] keys together to select a presentation mode. Each time the keys are pressed, if heading signal is input to the radar, the pre- sentation mode and mode indication change in the sequence of HU, CU (or WU), NU, TM. If there is no heading signal input to the radar, the presentation mode is always HU.

 

 

CU

 

 

 

 

 

 

 

(couse-up)

 

NU

 

 

TM

HU

 

WU

 

 

 

(north-up)

(true motion)

(head-up)

(waypoint-up)

 

 

 

 

 

 

 

Selecting course-up mode for CU or

WPT-UP

In course-up, you may select CU or WPT- UP, on the menu.

CU (course-up)

An azimuth stabilized display in which the line connecting the center with the top of the display indicates own ship’s intended course.

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Contents Marine Radar First Edition AUG Useable Environment Safety ArrangementsElectrical Shock Hazard Ground both the Display Unit and the Antenna UnitTable of Contents Foreword FeaturesDisplay Unit SPECIFICATIONS- ModelAntenna Unit Transceiver Module contained in radomeVibration Power supply & power consumptionProtection features Warm-up time Modulator switching methodReceiver front end MIC Michoeave IC Bandwidth 7 MHz Duplexer Ambiont temperatureInterface Nmea Model 821/841 Page Model 821/841 ConfigurationPrinciple of Operation How radar works Control Description OperationTurning the Radar On Off Display Indications and MarkersSelecting the Range Adjusting LCD Backlighting and Display ToneAdjusting Control Panel Brilliance TransmittingSTC MAN Auto Adjusting GAIN, STC, A/C Rain and FTCHow to tune manually Tuning the ReceiverAdjusting A/C Rain Adjusting FTCMeasuring the Bearing Measuring the RangeTarget on collision course with your vessel? Menu OperationMenu description 11 Display modes Selecting the Display ModeCU course-up Selecting the Presentation ModeWindow Display WPT-UP waypoint-up Guard AlarmGuard Suppressing Radar InterferenceSelecting Pulselength Suppressing Noise InterferenceOff Centering the Display Navigation Data Display Echo TrailsPress the Menu key Select Nav Data and press the ENT key Echo Stretch magnifying long range echoesWatchman Selecting Unit of Measurement for RangeSelecting Bearing Reference Displaying Navigation Data During Stand-by Erasing the Heading MarkerDeselecting Ranges Displaying Cursor Position, Range and Bearing to Cursor Visual Alarm IndicationsOutputting Cursor Position to Navigator Super-refraction Interpreting the DisplayRadar Wave and Radar Horizon Target Properties and Radar Wave ReflectionFalse Echoes Bearing ResolutionRange Resolution Multiple echoes Blind and shadow sectors Nautical Chart and Radar PictureTroubleshooting procedure Maintenance & TroubleshootingSafety Information Forming any maintenance orReplacing the Fuse Preventative MaintenanceTroubleshooting table TroubleshootingSelf Test Self TestAntenna Unit Installation InstallationVent tube Removing packing materialsMounting platform How to fasten the radome base To the mounting platform Ships bow Removing packing materials 10 Antenna unit Model 841, inside view, shield cover removed 12 Optional mounting bracket installation for sailboat Display Unit Installation 13 How to mount the display unit 14 Display unit, rear view Procedure Option connectorInstallation Check List Displaying the Installation Menus Initial Adjustment of PictureRelative Bearing Alignment Entering Initial SettingsSweep Timing Closing the Installation MenusSignal cable connection Page Page Page Page Page Page Page