Offset Entry - Raymarine ST30 Round Bidata Owner's Handbook Manual

16
If CAL OFF is displayed, press depth or speed to return to normal
operation then use the Extended calibration procedure to turn on basic
calibration.

Offset entry

This option is used to select whether the displayed water depth is from
the surface or below the Biducer.
• Set a 0 (zero) offset, to give the depth from the transducer to the
• Set a negative offset, to give the depth from the keel to the seabed.
• Set a positive offset, to give the depth from the waterline to the
1. At the OFFSET display, press depth and speed together
seabed.
seabed.
momentarily to enter edit mode.
ST30 Round Bidata Owner's Handbook
bidata
depth
speed
depth speed
2 sec
CAL
d
OFFSET
d
DEPTH UNITS
d
LOG UNITS
d
LOG CALIBRATION
D5040-2