Oldrodo, OBS (out of OBS) load (GPS approach) direct to the IAF (or FAF if receiving vectors to final) RAIM (check predictability on status page 5) OBS (set as required) displays (use the NAV button to select the GPS for the CDI) OBS (off prior to 2 miles to the FAF).

a) Oldrodo and OBS (out of OBS)
b) Load GPS and direct to IAF
c) RAIM and set as required
d) Displays and off prior to 2 miles