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GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. H
14-16
SECTION 14
ADDITIONAL FEATURES
Altitude Display Mode
The GTS 8XX has four altitude display modes
(Figure 14-23); Normal (±2,700 ft), Above (-2,700 ft to
+9,000 ft), Below (-9,000 ft to +2,700 ft), and Unrestricted
(±9,900 ft). The GTS 8XX continues to display up to 30
intruder aircraft within its maximum surveillance range,
regardless of the altitude display mode selected.
The selected altitude display mode (Figure 14-24)
is displayed in the upper left-hand corner of the Traffic
Page.
Changing the Altitude Display Mode:
1) From the Traffic Page, press the small right
knob to activate the cursor and highlight the
current mode (Figure 14-24).
2) Turn the small right knob to cycle through
the options. The screen changes to display
the traffic detected within the selected
altitude display range. Refer to Figure 14-23
for information regarding altitude display
ranges.
Figure 14-23 Altitude Display Modes
+2,700 ft
Drawing Not to Scale
Normal (NRM)
Below (BLW)
+2,700 ft
-9,900 ft
Above (ABV)
0 ft
+9,900 ft
Unrestricted (UNR)
0 ft
-2,700 ft
-9,000 ft
+9,000 ft
NOTE: Confirmation is not required, the mode is
changed immediately when using the small right
knob.
Figure 14-24 “UNR” Selected
Altitude Display Mode
3) Press the small right knob to turn the cursor
off after the selection is made.