TB 9-6625-2337-24
Table 19. 7777 Reply Code
TI
Oscilloscope display
number of pulses
Test description
Settings
M2 7777 REPLY
----------------------------------------
14
M3A 7777 REPLY
Use the arrow keys to highlight
14
M2: (OFF)
Use the arrow keys to highlight
M3/A: (ON)
Use the arrow keys to highlight
MC 7777 REPLY
14
M3/A: (OFF)
Use the arrow keys to highlight
MC: (ON)
M1 7777 REPLY
Use the arrow keys to highlight
14
MC: (OFF)
Use the arrow keys to highlight
M1: (ON)
(15) Press TI keys as listed in (a) through (n) below:
Press FUNC, ENTR keys.
(a)
Use the arrow keys to highlight TRANSPONDER MENUS and press
(b)
ENTR key.
2, ENTR (CHALLENGES).
(c)
M1: (ON).
(d)
Use the arrow keys to highlight
M2: (OFF).
(e)
Use the arrow keys to highlight
MODE REPEAT:.
(f)
Use the arrow keys to highlight
8, ENTR.
(g)
Press FUNC, .
(h)
3, ENTR (1ST REPLY).
(i)
REPLY SIGNAL: ENTR, (VAR EMERG).
(j)
Use the arrow keys to highlight
M1: 0000 (ON).
(k)
Use the arrow keys to highlight
M2: 0000 (OFF).
(l)
Use the arrow keys to highlight
M3/A: 0000 (OFF).
(m)
Use the arrow keys to highlight
MC: 0000 (OFF).
(n)
Use the arrow keys to highlight
(16) Set oscilloscope to trigger on channel 1 and measurement type to the delta time
between the 1st and 3d pulses on channel 1.
(17) Verify that the oscilloscope indicates within limit of table 20.
(18) Repeat technique of (15) through (17) above using remaining setting and limits
listed in table 20.
Table 20. VAR EMERG Codes
TI
Oscilloscope
Pulses to be
Minimum
Maximum
( s)
( s)
Test description
Settings
measured
VAR EMERG 1 - 3
----------------------------------------
1 to 3
24.55
24.75
VAR EMERG 1 - 4
----------------------------------------
1 to 4
44.85
45.05
29
