Raymarine ST60 Owner's Handbook Manual page 48

Chapter 4: Calibration
Speed
response
speed
Dealer calibration
Hold down speed
for approximately 12 seconds
timer
Calibration
on/off
speed
Use
either
timer
to set the required values
VMG
response
speed
and trip
and
reset
speed
reset
or
Boat show
mode
35
Factory
defaults
speed
D4369-1