JRC JMA-9922-6XA Instruction Manual page 97

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9 Left-click the selection section (combo box) of OUTER PPI.
3.OUTER PPI will be selected and the following pull-down menu will appear.
1.DAY/NIGHT
2.SYSTEM
3.OUTER PPI
4.INNER PPI
5.CHARACTER
6.DIAL
7.ECHO
8.TRAILS
9.OWN TRACK
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10 Select the background color outside the bearing scale from
the pull-down menu, select 1 through 3 with the trackball,
then left-click.
SUB2 MENU
COLOR
1.DAY
1.BLUE1
1.BLACK
1.BLACK
1.BLACK
2.BLUE
3.D-BLUE
1.WHITE
1.WHITE
1.YELLOW
1.SKY
1.SKY
EXIT
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