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190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Traffic
3. Touch the
Back
key to return to the TCAD Control menu.
9.7.3.2 Shield Setup
The Shield Setup function allows you to select the Shield Type (mode of
operation) and the size of the shield volume that will provide alerts when
entered by aircraft.
Approach Shield Type
1. While viewing the TCAD Control menu, touch the
Shield Type
key and touch the Approach Shield Type.
Touch to Automatically
Select the Destination
Airport Field Elevation
Touch to Manually
Set Field Elevation
Touch to Select
Shield Type:
Approach or
Standard
Figure 9-28 TCAD 9900B Shield Setup for Approach
2. Touch the
Field Elevation
key.
3. With the
Use DEST APT
key deactivated (no green bar), touch
the
Field Elevation
key to manually select the Field Elevation
for traffic reporting. Use the keypad to select the elevation
value.
4. Touch the
Enter
key to accept the selected value. The selected
value will be shown in the
Field Elevation
key.
5. Touch the
Use DEST APT
key to automatically use the field
elevation of the destination airport of the active flight plan for
traffic reporting.
NOTE:
Activating the Use DEST APT feature automatically uses the
elevation for the current destination airport for the TCAD. If no destination
airport is present in the GTN system, the TCAD will not receive a field
elevation and therefore not automatically enter approach mode.
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