JRC JMA-5206, Instruction Manual, Page: 93 / 462

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3.5 BASIC OPERATIONS
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3.5.2 Use EBLs (Electronic Bearing Lines) [EBL1/2]
EBLs (Electronic Bearing Lines) are indispensable to the measurement of bearings.
Operators must be familiar with the operation of EBLs beforehand.
EBL1 Operation
If EBL2 is selected or EBL1 is not displayed, press [EBL1] key to select EBL1 before starting operation.
(The currently selected EBL is shown in reverse video at the lower right of the radar display.)
Procedures 1 Press [EBL1] key.
EBL1 at the lower right of the radar display will be shown in reverse video, and EBL1
becomes operable.
2 Press [EBL1] key again.
The EBL1 display will disappear.
* Button 31 on the radar display on page 2-7 is also available to switch EBL1 between ON and OFF.
EBL2 Operation
If EBL1 is selected or EBL2 is not displayed, press [EBL2] key to select EBL2 before starting operation.
(The currently selected EBL is shown in reverse video at the lower right of the radar display.)
Procedures 1 Press [EBL2] key.
EBL2 at the lower right of the radar display will be shown in reverse video, and EBL2
becomes operable.
2 Press [EBL2] key again.
The EBL2 display will disappear.
* Button 32 on the radar display on page 2-7 is also available to switch EBL1 between ON and OFF.
Operation procedures are described on the following pages. For how to measure distance and
bearing, see Section 4.