User Instructions

SECURITY NOTATION SPEC
NO.
IT4061400-907
SEE PAGE INDEX
FOR THIS SHEET
REV LETTER
CAGE
CODE
58960
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SEE THE TITLE PAGE FOR PROPRIETARY AND DATA RIGHTS NOTATIONS.
REV TEST SPECIFICATION PROCEDURE SPECIFICATION
LTR NO. OPR LIMITS C TEST DESCRIPTION SWITCH POS C WORK STEPS MFG LIMITS
AW/CRITICAL NOTATION
SUPPLEMENTS
85
SECURITY NOTATION PAGE
15101-000 (REV 970213 BCAS ASF5900/ENG_SPEC.DOT) (REV 07/18/2000 -OFC97-DATA SERVICES) HONEYWELL INTERNATIONAL INC.
ENGINEERING
SPECIFICATION
20 LONG MODE S LONG MODE S
Perform test setup in
accordance with tables 1
and 5.
Perform test setup in
accordance with tables 1
and 5.
Interrogate the UUT with a
long Mode S interrogation
at the standard rate.
ATC-1400A
PRF: 0045
SLS/ECHO:
OFF
Turn PFR thumbwheels to
45 Hz, turn SLS/ECHO
switch to OFF position.
S-1403
FUNC 2,
ANT B: OFF
S-MENU:
SO1;
UF = 16
RL = 1
MU = 06000
0000000
0000001
ADD = 2525
2525
Select FUNC 2 and set
the S-MENU:
SO1; UF = 16
RL = 1
MU = 06000000000
00000001
ADD = 25252525
20.1 >90% Observe the % Mode S
reply. It shall not fall
below 90%.
ATC-1400A
CW/NORM/
OFF: NORM
Observe the % Mode S
reply. It shall not fall
below 98%.
>98%
20.2 With an oscilloscope, look
at both the suppression
pulse output and the
Mode S reply pulse train
coming from the UUT.
With an oscilloscope look
at both the suppression
pulse output (Sup Pulse
connector on the Mode S
interface panel) and the
Mode S reply transmitter
output on the ATC-1400A.
Use a 50-ohm impedance
on the transmitter and 1M
ohm on the suppression.
20.3 PASS Verify that the
suppression pulse
brackets the Mode S
reply.
Verify that the
suppression pulse
brackets the Mode S
reply.
PASS