Page 4-3
Installation Checkout
TQG191-IM
Rev 0: 28 Feb 2019
KTX2
Installation Manual
4.2.3 Display Indications
The State, Status and Failure Conditions of the KTX2 are indicated on the display by icons
illustrated in Table 4-2 displayed in the positions described in Figure 4-1. Extended Squitter and
ADS-B OUT functions are described in Table 4-3. Detailed troubleshooting is covered in Table
5-1.
Indication
Meaning
Remark
Transponder is transmitting
Mode-A/C Replies on
Interrogations
Appears per reply
Transponder is transmitting
Mode-S Replies on
Interrogations
Appears per reply
Transponder is locked by a
ground station and will be
directly addressed
Appears at every addressed reply
Extended Squitter
Status of Extended Squitter
transmission
Active Squawk
Battery power too low (< 11 VDC)
Blinking
Antenna Failure
Bad L-Band antenna, or antenna
connection
Transmits IDENT- Marking
ID („Squawk Ident“) has been pressed
– active for 18s
Flight Level
Flight Level (in 100ft steps)
Mode display
(STBY, ON, GND, ALT)
See 4.3.2 Transponder- Modes
Standby-Squawk
Can be changed with active Squawk
by pushing the UP/DOWN (toggle)
button
Table 4-2: Indications
