Methods To Measure Bearing; True Or Relative Bearing - Furuno FAR-2218 Operator's Manual

1. OPERATIONAL OVERVIEW
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
HEAD UP / relative
HEAD UP / true
COURSE UP / relative
COURSE UP / true
NORTH UP / relative
NORTH UP / true
1-54
EBL indication and EBL marker are unchanged.
EBL indication does not change, however the EBL marker
moves accordingly
EBL indication does not change, however the EBL marker
moves accordingly.
EBL indication and EBL marker are unchanged.
EBL indication does not change, however the EBL marker
moves accordingly
EBL indication and EBL marker are unchanged.
EBL changes