JRC JMA-9172-SA, Instruction Manual

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JMA-9172-SA Instruction Manual
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4.MEASUREMENT OF RANGE AND BEARING
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4.1 USE OF NAVIGATION TOOLS
4 － 5
4
[2] To return the EBL starting point to own ship's position
Procedures
1) Make EBL1 or EBL2 operable.
2) Press the [EBL] dial to set for the EBL1 / EBL2 starting point
mode switching located at the upper right of the display.
The selected EBL starting point will be set as the own ship's position.
4.1.3.3 Setting EBL Operation Mode
[1]
To set the numeric value display mode of EBL (EBL Bearing REF)
Determine whether to display EBL in true bearing mode or relative bearing mode.
Procedures
1) Put the cursor on the EBL1/2 numeric value indication true /
relative switching (located at the upper right of the display), and
left-click.
The selected mode is switched as shown below each time the left button is clicked.
⇒ ⇒
[2]
To set a mode for fixing EBL display (EBL Bearing Fix)
When this function is set to Angle , an EBL is fixed to the preset bearing. For
example, if a true bearing of 020
° is preset, the EBL is fixed to the true bearing
020 ° even when the own ship turns.
When the function is set to Screen , the EBL is fixed on the radar display. In this
case, the EBL is always fixed to the same bearing on the display when the own
ship turns.
:EBL bearing is displayed in true bearing mode.
:EBL bearing is displayed in relative bearing mode.
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T R T
T
R