Operation Manual

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User Manual
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 RAM Test
To verify the integrity of the RAM. If on the screen the message "ERROR"
appears, the RAM is physically damaged.
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 RAM Clear
To clear internal memory. If the chart plotter exhibits unusual behavior, or appears
to be malfunctioning, it may be possible to correct the problem by clearing RAM.
This operation will erase all Marks, Events, Routes, stored track plots and desti-
nations. It will also return all selections (Input Data Format, Autopilot selection,
etc.) to original default values. To confirm to clear RAM press 'ENTER' again
(but if at this time you do not wish to clear RAM press 'CLEAR').
7.6.2 DIM MENU
To select the preferred value for contrast and backlight.
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 Contrast
Each time you pressed the cursor key to right, the screen will decrease brightness,
instead of to left it will increase brightness.
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 Backlight
To set the backlight. Operates in similar mode as Contrast.
7.6.3 CARTRIDGES
To check the C-CARD and its connector.
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 Background ROM
To test the WorldWideBackground. If there is not a malfunction, the code of the
Background and the message "OK" are shown.
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 C-CARD Test
To test the C-CARD. There are three possible situations:
1. if there is a C-CARD inserted in the slot and there is not a malfunction, the
name of the C-CARD zone and the message "OK" are shown.
2. if there is a C-CARD inserted in the slot, but it is a damaged C-CARD, the
name of the C-CARD zone and the message "Faulty" are shown.
3. if there is not any C-CARD inserted in the slot, the message "not present" is
shown.
4. if there is an User C-CARD inserted in the slot, the message "USER C-CARD"
is shown.