Section VII
TABLE 7-2A. FLIGHT LINE CERTIFICATION PROCEDURE (CONT)
If Indication
Circuit or
Normal
Is Abnormal
Function Tested
Procedure
Indication
Step
Add the four errors alge-
12
braically and divide the sum
(cont)
by four. Record this value
as MARD index error.
Set MISAL polarity and
MINUTES controls to
value of MARD index error.
Set AREA COMP vernier
control to setting established
during survey.
Set E1 CHECK, E2 CHECK,
A 180, and A270 controls to
values marked on MARD.
El NORM. -REV. to E1
NORM.
E2 NORM. -REV. to E2
NORM.
READOUT SELECT to 90.
MODE SELECTOR to
MON.
E1-E2 CHECK to E1
CHECK.
Adjust E1 VOLTS con-
trols until NULL
INDICATOR indicates
a null.
E1-E2 CHECK to E2
CHECK.
Adjust E2 VOLTS con-
trols until NULL
INDICATOR indicates
a null.
E1-E2 CHECK to OFF.
MODE SELECTOR to
CAL.
READOUT SELECT to
F. V.
Rotate Turntable to
0-degree heading.
7-8K
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