User's Manual Part 2

T
2
CAS / Part No. 9000000
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
34-43-20
15 Feb 2003
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
6--15
Programming pins on the T
2
CAS computer associated with each of the functions
defined on the Program Pins 3/3 page are listed below. Where more than one
program pin is indicated, the listed connector pins corre spond to the display
digits read from left to right. A one (1) indicates the associated pin is grounded
andazero(0) indicates open, except for RCZ--852 MAX TAS where a one (1)
indicates an open and a zero (0) indicates a ground.
ALT LIMIT 00000 Shows selected altitude above which TCAS will not give CLIMB
commands. Value for each digit, from left to right, is 32000, 16000,
8000, 4000, and 2000 feet. Altitude is the sum of selected values
(1s): RMP--6J, RMP--6H, RMP--6G, RMP--6F, RMP--6E.
PERF LIMIT 0 Selects CLIMB command altitude limit control from external
performance computer: A ground (1) indicates performance/climb
rate is not limited. An open (0) indicates performance/climb rate is
limited: RMP--6D.
METRIC TYPE 000 Shows the status of the metric selection program pins #1, #2, and
#3: RMP--12K, RMP--12J, and RMP--12H. The metric type will
appear only with TCAS computer unit part number
7517900--XX001 and --XX002. On TCAS computer unit part
number 7517900--XX003 and --XX004, the message “METRIC
TYPE 0000” is replaced with “SINGLE TRANSPONDER 0”.
MAX TAS 000 Shows the selected maximum airspeed operating range of aircraft.
This data is obtained from ARINC label 276 of the selected
transponder. Refer to the appropriate Mode S transponder
installation manual.
NOTE: Line 8 of the Program Pins 3/3 display indicates which transponder is currently
selected.
Help Reference Page
Selection of code 0007 displays the Help Reference page, Figure 6-- 9. This
page serves as a reference to a ssist aircraft maintenance personnel in checking
the functionality of dual transponders.