Garmin GNS 530 Pilot's Manual And Reference page 179

Selecting a menu option from the Setup
Page:
1) Press the small right knob momentarily, to
activate the flashing cursor.
Turn the large right knob to select the desired
2)
menu option, and press the ENT Key (Figure
10-29).
Figure 10-29 Units/Position Page
The following menu options are available:
for the GNS 530' s on-screen course deviation
indicator. The scale values represent full scale
setting, the
of the destination airport the
when leaving the departure airport the
190-00181-00 Rev. G
GNS 530(A) Pilot's Guide and Reference
gradually ramps down even further, to 0.3 nm.
higher scale settings are not selected during any
the GNS 530 uses this for the enroute and
terminal phase and ramp down to 0.3 nm during
and corresponding modes:
CDI Scales and Corresponding Flight Phases
Oceanic
Enroute
Terminal
Approach
(for each scale/phase to be available,
'Selected CDI' must be set to '5.00nm')
Figure 10-30 CDI Scales
SECTION 10
AUX PAGES
10-19