Correction Mode shows available StarFire corrections licensed for receiver.
NOTE: Selecting OFF prohibits StarFire Receiver from receiving SF1, SF2, SF3, and SF-RTK correction signals.
SF1 and OFF are always available.
SF2 (StarFire 3000 Receivers) is available with a valid license.
SF3 (StarFire 6000 Receivers) is available with a valid license.
SF-RTK (StarFire 7000 and 7500 Receivers) is available with a valid license.
RTK is displayed when an RTK mode is selected.
See Activations for more information about SF2, SF3, and SF-RTK licenses and RTK activations.