Digital Data/Chart - Eagle FISHMARK 640C Installation And Operation Instructions Manual

Split Zoom Sonar Chart. The left image shows the left split screen
window zoomed to 2X. The right image shows the left split screen win-
dow zoomed to 4X.

Digital Data/Chart

This mode shows the chart on the right side of the screen. The left side
has five large digital data boxes or windows containing (by default):
Water Depth; Water Temperature; Water Speed (from an optional
speed sensor) and Water Distance (distance traveled or log, it also re-
quires a speed sensor).
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