XI
3.3.24 Displaying Date and Time ............................................................................................. 3-51
3.3.25 Displaying the Plain Radar Screen ................................................................................ 3-53
3.3.26 Setting Echo Power ....................................................................................................... 3-55
3.4 Using Function Key [FUNC] ···························································3-56
3.4.1 Overview ....................................................................................................................... 3-56
3.4.2 Operation Method .......................................................................................................... 3-56
3.4.3 Function Setting Items ................................................................................................... 3-57
3.4.4 Operation Outline of the Function Setting Items .......................................................... 3-58
3.5 Displaying the Chart ·······································································3-70
3.5.1 Displaying a C-MAP Marine Chart ............................................................................... 3-70
3.5.2 Displaying Shoreline ROM Card made by JRC ............................................................ 3-72
3.5.3 Displaying the ERC Card .............................................................................................. 3-73
3.5.4 Display the JRC Chart ................................................................................................... 3-74
3.5.5 Displaying the Contour of the Shoreline ROM Card by JRC ....................................... 3-75
3.6 Displaying Own Ship Track ····························································3-77
3.6.1 Changing Track Color [Combined Plotter] ................................................................... 3-77
3.6.2 Selecting Track Storing Interval .................................................................................... 3-77
3.6.3 Stopping Track Storing ................................................................................................. 3-79
3.6.4 Deleting Track by Color (Using the [COLOR] Control) .............................................. 3-81
3.6.5 Deleting Track by Color (Using Menu) ........................................................................ 3-83
3.6.6 Displaying or Hiding Track by Color ............................................................................ 3-85
4. MEASUREMENT
4.1 Measurement with Trackball ····························································4-1
4.2 Measurement with Fixed Range Ring ··············································4-2
4.3 Measurement with Electronic Cursor
and Variable Range Marker ······························································4-3
4.4 Measurement between Two Optional Points of Target ··················4-4
5. TRUE AND FALSE ECHOES ON DISPLAY
5.1 Radar Line-of-sight Range ·······························································5-1
5.2 Strength of Reflection from Target ··················································5-3
5.3 Sea Clutters ·······················································································5-3
5.4 False Echoes ·····················································································5-3
5.5 Display of Radar Transponder ·························································5-6
6. MAINTENANCE
6.1 Routine Maintenance ········································································6-1
6.1.1 Cleaning ........................................................................................................................... 6-1
6.2 Maintenance of Each Unit ·································································6-2
6.2.1 Scanner Unit NKE-1055 / 1056 .................................................................................... 6-2
6.2.2 Display Unit NCD-3780 .................................................................................................. 6-4