1. OPERATIONAL OVERVIEW
1-54
1.33.1
Methods to measure bearing
There are two methods for measuring bearing, using the
EBL
key and on-screen
menu box operation.
Using the EBL keys
1. Press the
EBL ON
key to activate the [EBL1] box. Press the
EBL ON
key again
to activate the EBL2 box. Press the
EBL ON
key again to toggle active EBLs. The
active EBL marker is displayed as shown on the previous page.
2. Rotate the
EBL
knob clockwise or counterclockwise until the active EBL bisects
the target of interest, then read its bearing at the lower-left corner of the screen.
3. Press the
EBL OFF
key to erase the active EBL.
On-screen menu box operation
1. Select the appropriate EBL box.
2. The guidance box reads "EBL ON/". Press the
left button
to turn on the EBL.The
guidance box now reads "EBL SET L=DELETE /".
3. Press the
left button
again and the cursor jumps to inside the operational display
area. The guidance box now reads "EBL FIX L=DELETE/".
4. Spin the scrollwheel, or use the trackball, to move the EBL until the active EBL
bisects the target of interest, then press the
left button
to anchor the EBL. Read
the bearing at the lower-left corner of the screen.
5. Press the
EBL OFF
key to erase EBLs.
1.33.2
True or relative bearing
The EBL readout is affixed by "R" (relative) if it is relative to own ship's heading, "T"
(true) if it is referenced to the north. True or relative indication is available regardless
of presentation mode.
1. Open the menu.
2. Select [3 NAV TOOLS].
3. Select [3 EBL•VRM•CURSOR SET].
4. For IMO/A/R-type radars, select [5 EBL•CURSOR BEARING].
For B-type radars, select [2 EBL1] or [3 EBL2] as appropriate.
5. Select the [REL] or [TRUE] as required, then press the
ENTER MARK
key.
6. Close the menu.
Note:
The EBL and its indication change with gyrocompass changes as follows:
Gyro heading
EBL changes
HEAD UP / relative
EBL indication and EBL marker are unchanged.
HEAD UP / true
EBL indication does not change, however the EBL marker
moves accordingly
COURSE UP / relative
EBL indication does not change, however the EBL marker
moves accordingly.
COURSE UP / true
EBL indication and EBL marker are unchanged.
NORTH UP / relative
EBL indication does not change, however the EBL marker
moves accordingly
NORTH UP / true
EBL indication and EBL marker are unchanged.
Summary of Contents for FAR-2218
Page 132: ...1 OPERATIONAL OVERVIEW 1 110 This page is intentionally left blank ...
Page 176: ...3 TARGET TRACKING TT 3 36 This page is intentionally left blank ...
Page 202: ...4 AIS OPERATION 4 26 This page is intentionally left blank ...
Page 232: ...5 VIDEO PLOTTER OPERATION 5 30 This page is intentionally left blank ...
Page 294: ......