JRC JMA-5312-6 Instruction Manual page 213

Setting Contour Lines on JRC Chart (Contour Setting)
Procedures 1 Press the [Map] key for 2 seconds.
The Map Setting menu will appear.
2 Press the [4] key.
The Contour Setting Menu will appear.
Depths and display colors can be set for 9 contour lines in total: 8 for depth
specification and 1 for other depths.
3 Press numeric keys corresponding to the depth for which the
settings are to be changed.
The numeric value input screen for the Contour Setting menu will appear.
4 Enter the depth to be set.
For how to input numeric data on the numeric value input screen, see Section 3.3.4.
After a value has been entered, depth contour setting items will be displayed.
5 Press numeric keys corresponding to the type of the depth contour
to be set.
The type of line for displaying the depth contour corresponding to the depth is set.
6 Select the number of display color to be set, pressing the numeric
key.
The selected color to represent the contour lines of the depth will be set.
When Off
To change the settings of other depths, repeat steps 3 to 6.
JRC ROM card plotting mode (JRC ROM Card Draw Mode)
Procedures 1 Press the [Map] key for 2 seconds.
The Map Setting menu will appear.
2 Press the [8] key.
The JRC ROM Card Draw Modes are switched. If the chart is plotted in segments
due to the [Fast] display mode, change the mode to the [Detailed] mode.
is selected, the depth contour will not be displayed.
Fast : The chart is displayed quickly.
Detailed : The chart is displayed in detail.
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3.12 Display Simple Chart
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