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there is the Ice Flasher. This page is only visible in IceMachine Mode. You
can tell at a glance which mode you are in because the battery gauge only
appears in the lower right corner of the Ice Flasher page.
Ice Flasher page, left, and normal Flasher page, right.
The ice mode differs from normal mode in two ways. First, the unit
changes how it filters incoming sonar echoes. This helps reduce some of
the surface clutter that can be picked up from the zone where the water
surface meets the bottom of the ice.
Second, the Ice Flasher defaults to a special IceView color mode with
fewer, higher-contrast colors than normal mode. This simplified color
scheme makes it easier to "see" and interpret a fish signal when it ap-
pears on the flasher screen.
The Split Zoom and Sonar Chart pages share the same settings. The chart
pages, the Flasher and Ice Flasher pages each have their own independent
controls for Sensitivity, ColorLine and sonar color mode. For example, if
you make any Sensitivity changes to the sonar chart page, the sensitivity
settings for the Flasher and Ice Flasher are unchanged. Each of these set-
tings are saved when you turn the unit off, so you can keep your favorite
settings for each operating mode.
Remember, no matter what changes you make to the various settings,
you can always restore the factory defaults by using the Reset Options
command, which is described in Sec. 4.
IceMachine Mode Operation
To turn on the M68C, press and release the PWR key. Just as in normal
mode, the Backlight control will appear for five seconds and then auto-
matically clear. You can adjust it with the ↓ and ↑ buttons, or clear it
immediately by pressing the
EXIT button.