Cd 671c transponder control unit – BendixKing MST 67A User Manual
Page 17

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.
CD 671C TRANSPONDER CONTROL UNIT
CD 671C Single or Dual Mode S Control Unit (Dual Unit shown).
CD 671C CONTROLS AND DISPLAYS
The CD 671C Control Unit is the master control for the transponder.
The CD 671C will also display the selected 4096 ATC code and cur-
rent mode of operation in the display window. Versions are available
to control one or two transponder. A “Fail” annunciation indicates fail-
ure of the selected transponder, antenna or control data.
Note: If the CD 671A is interfaced to a MST 67A Mode S transponder
and the MST 67A senses a failure, a failure annunciation will be shown.
A maintenance check should be performed.
MST 67A Pilot’s Guide
Effective Date 7/04
006-18301-0000 Rev 0
Controls and Displays
13
TST
SBY
ON
1
IDT
ALT
OFF
VFR
1 2
IDT
TPR
PUSH
FL
4096 CODE &FLIGHT LEVEL TEST INDICATION
TRANSPONDER MODE
IDENT BUTTON
FL PUSH AND HOLD
FUNCTION SELECT
TRANSPONDER 1-2
TRANSPONDER 1-2
SELECT
IDENT
4096 SQUAWK CODE
SELECT