TM 10-1670-305-23&P
0010 00-9
ELECTRONIC TEST CHAMBER ASSEMBLY, MODEL 453
0010 00
OPERATION UNDER USUAL CONDITIONS
CONTROL INTERLOCKS TEST
19. Press GO TO ALT AND DWELL switch (7).
20. ALTITUDE DWELL indicator (6) shall flash. DISPLAYS LOCKED indicator (18) shall remain
illuminated and displays shall not reset.
21. Wait until ALTITUDE DWELL indicator (6) stops flashing. Set AR2 JUMP/OFF switch to
JUMP. Press FALL switch (9).
22. The test chamber shall not indicate a fall.
23. Press RESET DISPLAYS switch (17).
24. ALTITUDE (FT MSL) display (20) shall reset to 3000 feet (value set previously). FALL RATE
(FT/SEC) display shall show approximately zero.
25. Set AR2 JUMP/OFF switch to OFF.
26. All interlocks and indicators shall function as described above or the test chamber is defective
and must be returned to depot for repair.
