Instruction manual
Operating Modes 16
Speedometer Mode
Speed mode displays speed at an update rate of 2Hz (twice a second).
Displayed speed is the Doppler shift speed measured by the GPS unit. The speed can be displayed in
knots, miles/hour, kilometers/hour or meter/second by editing the device settings. The default is to
display speed in knots.
Maximum Speed Recall
Maximum speed and maximum 10 second average speed can be recalled by pressing the plus and minus
buttons respectively.
Clearing the Maximum Speed
Both instantaneous and 10 second maximum speeds are cleared from memory every time the SC-1 is
powered off or disconnected from a computer.