ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-14. IMU Testing, Alignment, and Troubleshooting Continued
Malfunction
indication/corrective action
Test procedure
Normal indication
PADS DIAGNOSTIC ALIGN-
MENT PROGRAM or
PADS SOLID STATE DIAGNOS-
TIC ALIGNMENT PROGRAM
PROGRAM CHECKSUM XXXXXX
SELECT TEST MODE
2b. Compare printed checksum Checksums are equal
Checksum is incorrect: Refer to step
written on the front of the diag-
nostic-alignment tape or solid
state program tape
2c. Type IMU to select IMU auto- TTY prints out:
NOTE
matic alignment and test se- IMU
From this step forward, the TTY
quence
may print out any of the malfunction
SER NO XXXXX DATE XXXXX
messages listed in table 4-17. Take
CHECKSUM XXXXXX
the corrective action shown in table
MOVE IMU TO APPROX 45 DEG
HEADING
WHEN DONE TYPE: RDY
2d. Verify that the printed serial Data matches
Reload IMU alignment data tape
number matches the serial num-
ber of the IMU under test and
the checksum matches the
checksum on the IMU alignment
data tape
2e. Type RDY when 45 (10o) TTY prints out:
NOTE
heading request has been com-
The program will accept all data on
pleted
one line, thus if the operator makes
a mistake prior to typing RDY while
entering data via the `M'Y, he should
hit the carriage return key and reen-
ter the data. If the diagnostic pro-
gram does not recognize the entry as
valid, the TTY prints out: IM-
PROPER DATA ENTRY. The oper-
ator should reenter the data.
Change 6
4-86
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