SPEED

• Displays the velocity in knots
• Huge 2.5" digits!
• Indicator arrows for speed up, same and down - lets you know how you're doing without having to keep track of the last reading
• Over 10 knots? The arrows automatically reduce in size to make room for an additional third digit
• 0-9.9 knots, precision = 0.1 knot

VMG

• Velocity Made Good in knots to a direction set by you (wind direction, for example)
• Huge 2.5" digits!
• Stores the VMG heading until power down, no need to set again if you change functions
• The VMG heading can easily be changed during operation by using the UP and DOWN buttons on the remote
• Indicator arrows for VMG up, same and down - lets you know how you're doing without having to keep track of the last reading
• Over 10 knots? The arrows automatically reduce in size to make room for an additional third digit
• Precision = 0.1 knot

HEADING

• Displays your current course in degrees true or degrees magnetic
  • To display is degrees magnetic, simply enter your local local magnetic declination
    • Local variation/declination can be entered on the RockBox under "magnetic variation" in the Set Up menu or entered using the included RockBox Commander PC software
    • To find your local declination, use this link