User's Manual

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JMA-9172-SA Instruction Manual > 4.MEASUREMENT OF RANGE AND BEARING > 4.1 USE OF NAVIGATION TOOLS
4.1.4 Using Parallel Index Lines (PI Menu)
Parallel index lines can be displayed.
4.1.4.1 Operating Parallel Index Lines (PI)
Procedures
1) Press the [VRM] dial.
Parallel index lines and the PI Menu will appear.
To change the bearing of parallel index lines, turn the [EBL] dial, to change the line interval,
turn the [VRM] dial.
The bearing and interval of parallel index lines are displayed in the PI Menu.
2) Press the [VRM] dial again.
The parallel index lines will be fixed.
Cancel
1) Press the [VRM] dial again.
The parallel index line display will disappear.
4.1.4.2 Operation of Parallel Index Lines
• Parallel index lines rotate in the same direction as you turn the [EBL] dial.(1,
2)
• The intervals of parallel index lines narrow when you turn the [VRM] dial
counterclockwise (3), and widen when you turn the [VRM] dial clockwise
(4).
• When the [VRM] dial is pressed, the PI Menu closes and the parallel index
lines are fixed.
i
Parallel index lines are operable only while the PI Menu is
displayed. When the menu is closed, the parallel index line
display remains, but the settings of the bearing and interval
cannot be adjusted any more. To adjust the bearing and
interval after closing the menu, press the [VRM] dial twice to
open the PI Menu.