Garmin GNS 530W Pilot's Manual & Reference page 119

DO NOT USE FOR
NAVIGATION
14. As you approach the MAP, a waypoint alert
("Arriving at waypoint") appears in the lower
right corner.
As you approach the MAP, "Arriving at waypoint" appears in
the lower right corner of the screen.
15. As you cross the MAP, "SUSP" appears
above the OBS key, indicating that auto-
matic sequencing of approach waypoints is
suspended at the MAP. A "FROM" indication
GNS 530W only
is displayed on the Default NAV Page, but
course guidance along the final approach
course continues. Do NOT follow this extended
course. Follow published missed approach
procedures using the OBS key to initiate the
missed approach sequence.
As you cross the MAP, "SUSP" appears above
the OBS key. To execute the missed approach,
press OBS and follow the published missed
approach procedures.
NOTE: In addition to using the OBS key to initiate
the missed approach sequence, you may wish to
press the CDI key to manually switch external CDI
output to the GPS receiver. "GPS" is indicated
above the CDI key. If you leave the external CDI
output on "VLOC" and are using an external CDI
(not an HSI), expect reverse sensing on the back
course of the ILS.
5 - PROCEDURES
ILS Approach
109