TM 1–1520–238–T–3
Change 5
15–3
TABLE 15–1.
ASCII CODE CONVERSIONS
(BITS 6–11 OR BITS 14–19)
00 =
@
0B =
K
16 =
V
21 =
!
2C =
,
37 =
7
01 =
A
0C =
L
17 =
W
22 =
”
2D =
–
38 =
8
02 =
B
0D =
M
18 =
X
23 =
#
2E =
.
39 =
9
03 =
C
0E =
N
19 =
Y
24 =
$
2F =
/
3A =
:
04 =
D
0F =
O
1A =
Z
25 =
%
30 =
0
3B =
;
05 =
E
10 =
P
1B =
[
26 =
&
31 =
1
3C =
<
06 =
F
11 =
Q
1C =
\
27 =
’
32 =
2
3D =
=
07 =
G
12 =
R
1D =
]
28 =
(
33 =
3
3E =
>
08 =
H
13 =
S
1E =
^
29 =
)
34 =
4
3F =
?
09 =
I
14 =
T
1F =
_
2A =
*
35 =
5
0A =
J
15 =
U
20 =
2B =
+
36 =
6
Personnel Required:
(2)
References:
TM 1–1270–476–20
TM 1–1270–476–T
TM 1–1520–238–T–7
TM 1–1520–238–T–8
TM 9–1230–476–20–1
TM 9–1230–476–20–2
Equipment Conditions:
Ref
Condition
TM 1–1270–476–T
TADS – MAINTENANCE
OPERATIONAL CHECK in
progress
NOTE
All multiplex read code responses are read from right to
left.
Multiplex read codes must be used in conjunction with
applicable Maintenance Operational Check (MOC) in
progress.
Multiplex read codes are observed on the HOD (ADC) or
CDU (ADD).
MULTIPLEX READ CODE INTERPRETATIONS
15–1 SIGNAL NAME:
PLT GND OVRD SW
MEMORY LOCATION: 001555
MEMORY DATA BIT(S):
13
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates PLT/GND OVRD switch position.
REMARKS: From copilot/gunner (CPG) fire control panel (FCP) through left–hand (LH) forward
avionics bay (FAB) multiplex remote terminal unit (MRTU) Type I to fire control computer
(FCC).
PASS:
If third digit on heads out display (HOD) is 1, 3, 5, or 7, go to paragraph 15–2.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
