Lowrance electronic Lowrance GlobalMap 7200C - Manual (Page 154)

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4. Select All Engines or the engine connected to the desired device and
press
ENT
.
5. Highlight
R
ESET
C
ALIBRATION
and press
ENT
. The following message
will appear: Are you sure you wish to Reset Calibration?
6. Highlight
Y
ES
and press
ENT
. Press
EXIT
repeatedly to get back to the
main display.