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echo 200, echo 300c, echo 500c, and echo 550c Owner’s Manual 21
Index
Split Zoom page 5
surface noise 15
symbols, sh 12
system information 19
temperature alarm 13
temperature log
duration 7
scale 7
viewing 7
temperature offset 17
temperature, showing 15
units of measure 19
version, software 19
voltage alarm 13
water speed
odometer, displaying 16
sensor, calibrating 17
showing 15
water temperature alarm 13
water temperature offset 17
water temperature, showing 15
zoom
adjusting automatically 10
adjusting manually 9
split screen 5