Measurement Between Two Optional Points Of Target - JRC JMA-3910-4 Instruction Manual

4.4

Measurement between Two Optional Points of Target

1. Press the
Procedures
EBL1 is displayed in a box on the lower left of the screen.
2. Turn the EBL control and bring EBL1 (short dashes line) to Point A.
(See Fig. 4.3.)
3. Open the main menu to select the floating EBL mode.
EBL2 is displayed in a box on the lower left of the screen.
(See subsection "3.3.2 Using EBL (Electronic Cursor) [EBL]".)
4. Use the trackball and bring the starting point of FEBL to Point A.
5. Turn the EBL control and bring FEBL to the other point (Point B). (See
Fig. 4.3.)
6. Press the
(See subsection "3.3.12 Displaying Variable Range Markers [VRL]".)
When VRM1 is selected, ○ (VRM marker) appears on FEBL2, and when VRM2 is
selected, a circle appears there.
7. Turn the VRM control to move the VRM marker on FEBL to Point B.
The range between the two points and the bearing are displayed in the "VRM" and
"EBL" columns on the lower left of the screen.
(When VRM is movable, its range is displayed in the VRM column.)
270
EBL
key to display EBL1 and to select motion of EBL1.
VRM
key to display VRM1 or VRM2 and to select its motion.
0
340
EBL1
Point A Point B
3NM
Own ship
180
340.0° R
EBL1
90.0° R
EBL2
VRM1 3.000NM
Fig. 4.3
4 – 4
Starting point of EBL2
VRM1 marker
FEBL2
VRM1
90
4