Raymarine stand-alone master instrument - Manual (Page 34)

Chapter 6: Calibration 31
6.2 Speed calibration
The ST30 Bidata can be set to display speed in knots or mph and trip and
total distance in nm or miles. The most important speed calibration feature
is Log Calibration; this calibrates the transducer paddlewheel to the
vessel's hull so that accurate speed/log related information is displayed.
Press and hold and Depth for 2 seconds until CAL is displayed.
Units selection – speed
1. Cycle Speed until knots or mph is displayed.
TM
D695
BIDATA
DEPTH SPEED RESET
Knots
DEPTH
SPEED
2. Press Reset to change between knots and mph.
TM
D696
BIDATA
DEPTH SPEED RESET
Mph
DEPTH
SPEED