TQ Aviation
KTX2-F.0100
EASA.AP445
MAN
KTX2-F.A-MAN.0001.docx
Page 19 of 74
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2.1.2 Display Indications
Indication
Meaning
Remark
Transponder is transmitting
Mode-A/C Replies on
Interrogations
Appears per reply and persists for
some time
Transponder is transmitting
Mode-S Replies on
Interrogations
Appears per reply and persists for
some time
Transponder is locked by a
ground station and will be
directly addressed
Appears at every addressed reply and
persists for some time
ADS-B out Status
Status of ADS-B transmission
Active Squawk
Is shown at upper position
Battery power too low
Appears above Standby-Squawk
Failure indication
See 4
IDENT- Marking is transmitted
ID („Squawk Ident“) has been pressed
– active for 18s
Current Flight Level
Flight Level (in 100ft steps)
Mode display
(STBY, ON, GND, ALT)
see chapter. 2.1.6 Transponder-
Modes
Standby-Squawk
Is shown at lower position.
Can be exchanged with active Squawk
by pressing the UP/DOWN (“Change”)
button
Flight ID
Only shown if a Flight ID is configured
with a valid Aircraft Address
VFR indication
Shown while VFR squawk is used
Transponder is in airborne mode
Only shown if Ground Switch support
is configured.
Transponder is in ground mode
Only shown if Ground Switch support
is configured.
Figure 3: Indicators
