To edit the GNSS/GPS engine parameters:
Select the minimum satellite elevation to use for positioning [0 to 50 degrees] in the Pos EL drop-down box.
Select the minimum satellite elevation to use for timing [0 to 50 degrees] in the Time EL drop-down box.
Click OK to accept changes and return to the GPS Port Configuration screen, or Cancel to return to the GNSS/GPS Port Configuration screen without saving changes.