The Only Instructions You Need to Read Before Hitting the Water



Turning On Your SC-1



  1. Use your thumbs to cover both the Mode and Minus buttons.
  2. You will see a countdown starting from 3 on the lower display. If you do not see the countdown appear, remove and reapply your right thumb.
  3. When the countdown reaches zero, remove both your thumbs.
  4. The device will turn on. The above procedure can be repeated to turn the SC-1 off.

Acquiring a GPS Solution



  1. When the SC-1 is first turned on, both the upper and lower display will show "- - -". The lower display will also blink on and off.
  2. After 2-5 minutes outdoors the device will acquire a GPS solution. When this happens the upper display will show course over ground in degrees true (not magnetic) and the lower display will show speed over ground in knots.
Please Note: The SC-1 cannot acquire a GPS solution indoors.