Garmin GNC 420AW Pilot's Manual Addendum - Page 12
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Section 3
Skywatch Interface
SECTION 3: SKYWATCH INTERFACE
Introduction
With the exception of traffic display range selec-
tions, all information in this section pertaining to the
display and control of the L-3 SKYWATCH (SKY 497)
also applies to the L-3 SKYWATCH HP (SKY 899) and
the Bendix/King KTA 870/KMH 880—this includes
TCAS-like symbology. Traffic display range selections
are as follows:
• SKYWATCH (SKY 497)—2 NM, 2 and 6 NM, and
6 and 12 NM.
• SKYWATCH HP (SKY 899)—2 NM, 2 and 6 NM,
6 and 12 NM, and 12 and 24 NM.
• Bendix/King KTA 870/KMH 880—2 NM, 2 and
6 NM, 6 and 12 NM, 12 and 24 NM, and 20 and
40 NM.
The Standby Screen appears when the
SKYWATCH passes the power-up test. NOTE:
when the system is in standby, the SKY-
WATCH does not transmit, interrogate, or
track intruders aircraft.
10 10
SKYWATCH Description
Please, refer to the SKYWATCH Pilot' s Guide for a
complete description of the SKYWATCH system.
Traffic Page showing Bendix/King KTA 870/
KMH traffic near the 40 nautical mile range,
at 10 o'clock above.
Power-up Self-Test
Check for the following test criteria on the Traffic
Page during power-up:
1.
If the SKYWATCH passes the power-up test and
your aircraft both has a squat switch and is on
the ground, the Standby Screen is displayed
(see sidebar).
2.
If the SKYWATCH passes the power-up test
and your aircraft both has a squat switch and
is airborne, the Traffic Page is displayed on the
6-NM display range and in the normal altitude
display mode.
3.
If the SKYWATCH passes the power-up test and
your aircraft does not have a squat switch, the
Standby Screen is displayed.
4.
If the SKYWATCH continues to fail, please refer to
the failure response section in the SKYWATCH Pilot's
Guide on actions to take.