Page 4-20
Installation Checkout
TQG191-IM
Rev 0: 28 Feb 2019
KTX2
Installation Manual
•
ADS-B (L-Band) antenna
failure
•
Check antenna installation
•
Resolve problem before
next flight
•
Weak or failed transmitter
•
Check antenna installation
including cables &
connectors
•
If warning persists, send
unit for servicing
Table 4-6: Errors and Warnings
4.5 POST-INSTALLATION CHECKOUT
Once the KTX2 has been configured, the Installer must perform the following checks to
determine that the unit is operating correctly and that it will have no adverse effects on other
aircraft equipment.
4.5.1 General
1. Connect the aircraft battery and ensure that full battery voltage is available. Since the
full series of checks may take an hour or more, a charger may be necessary to avoid
draining the battery.
2. Check all connections, paying particular attention to the both the L-Band and GPS
antenna coax connectors, static source and 15-pin D-Sub (P1).
3. Turn on the GPS source and the KTX2 and proceed with the full post-installation checks
listed below.
4.5.2 KTX2 Operational Checks
1. After power has been applied, note that the start-up screen (Figure 4-2) appears.
2. Wait approximately 2 seconds for the Normal Operation screen (Figure 4-3) to appear.
Note - If the FID and AA have not yet been configured and/or the GPS has not fully
aligned, failure & warning screens (see Table 4-6) may alternatively appear.
3. Complete any remaining configuration items in accordance with the instructions in
paragraph 4.4.
4.5.3 GPS Source Check
1. This check requires that the GPS antenna to be open to a clear sky or a GPS Simulator
or repeater to generate the necessary signal.
2. Verify that no
CRC Failure
is present on the GNSS Data screen. If a
CRC Fai
lure is
present:
