The Sonar Page menu with the Log Sonar Chart Data command selected (left). Sonar Chart Logging menu, with the Start Logging command selected (right). The MMC has 11.7 MB of free space, which will record the scrolling chart for 20 minutes and 44 seconds.
To record or log chart data:
1.Press MENU↓ to LOG SONAR CHART DATAENT.
2.To record data using the default settings, press ENT. The menu clears
and the Sonar Page title bar shows the name of the file you are recording. Warning messages will appear as recording time begins to run out.
NOTE:
You can change any of the settings by using the cursor arrows to highlight different commands. Select FILE NAME if you want to change the name. Select CHART QUALITY if you want to lower the file quality and record for a longer period of time. After you've changed the settings, select START LOGGING.
Noise Rejection
See the entry on Advanced Signal Processing in this section.
Overlay Data
On any Page display except Satellite Status, you can "float" or overlay additional Sonar or data on the screen with the Overlay Data command. The various data available from your unit are divided into categories in the Overlay Data menu. These categories include GPS Data, Navigation, Trip Calculator, Time, Sonar Data and Miscellaneous Data.
You can select items from any of these categories for display, in any combination. The category divisions are there only to help you sort through the information.
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