BendixKing CAS 67A TCAS II - Manual (Page 43)

TCAS II Pilot’s Guide
Effective Date 2/04 006-08499-0000 Rev 7
Controls and Displays
41
PS 578A FUNCTION SELECTOR, ATC CODE SELECT & MOMEN-
TARY TCAS DISPLAY FLIGHT LEVEL SELECT
The outer concentric knob on the right selects the Mode
S and TCAS mode of operation.
Rotating the function knob (CCW) to the TST position
initiates a comprehensive self test lasting approximately
eight seconds. All segments of the display are illuminated for 2 seconds,
then the code window will display the encoded altitude for four seconds,
then the control unit will return to the previously selected mode. (Refer to
the Test section in the Appendix for a detailed description of test func-
tions.)
SBY places the Mode S Transponder and TCAS in standby. SBY is
annunciated on the display window. Use SBY during ground operations.
ON activates the selected transponder without altitude reporting. TCAS
is in standby. ON is annunciated in the display window.
ALT activates Mode S transponder with altitude reporting, TCAS sys-
tem in standby.
Selecting VFR for more than 3 seconds changes the ATC code to the
pre-programmed VFR code (Typically 1200). VFR is annunciated in the
display window for the 3 seconds prior to switching the programmed
code The control unit will return to the mode selected prior to making
the VFR selection.
The VFR code can be programmed to be any code by the following
technique:
a. Place the function selector to VFR.
b. Select the VFR code as required.
c. Push the Ident (IDT) button, or wait 3 seconds, or rotate the Function
switch to the desired mode.
The TA (Traffic Advisory) mode. Activates the Mode S transponder, alti-
tude reporting and TCAS “TA ONLY” mode. Traffic will be presented on
the traffic (TA) display but no RAs (Resolution Advisories) will be issued.
“TA” mode is annunciated in the control unit display window and “TA
ONLY” will be annunciated on the TCAS traffic display(s).