Section VII
TABLE 7-2. CONSOLE TEST PROCEDURES (cont)
Circuit or
If Indication
Normal
Function Tested
Is Abnormal
Procedure
Indication
Step
Refer to part I, this
Refer to part VII,
Same as part I, this
7
Same as part I, this step,
except set synchro
this step.
step.
step.
Part
standard readout to 180.
IV
HEADING ERROR
readout shall indi-
cate 180 DEGREES
6 MINUTES.
Refer to part I, this
Refer to part VII,
Same as part I, this
7
Same as part I, this step,
except set synchro
this step.
step.
step .
Part
standard readout to 240.
V
HEADING ERROR
readout shall indi-
cate 240 DEGREES
6 MINUTES.
7
Same as part I, this step,
Refer to part VII,
Same as part I, this
Refer to part I, this
except set synchro
step.
this step.
step.
Part
standard readout to 300.
VI
HEADING ERROR
readout shall indi-
cate 300 DEGREES
6 MINUTES.
7
Calculate the index
Index error shall
Refer to part I, this
Same as part I, this
error by adding the six
be 03 minutes.
step.
Part
step.
errors algebraically,
VII
one for each heading,
and divide the sum by
six. See following
example:
EXAMPLE :
Difference
Synchro Standard
Readout
Heading
Console Readout Indication
(minutes)
0
0
0 DEGREES -7 MINUTES
-7 (red error scale*)
+20 (white error scale*)
60
60
60 DEGREES +20 MINUTES
120 DEGREES -5 MINUTES
- 5 (red error scale*)
120
120
-15 (red error scale*)
180
180 DEGREES -15 MINUTES
180
240
240 DEGREES +6 MINUTES
+6 (white error scale*)
240
-3 (red error scale*)
300
300
300 DEGREES -3 MINUTES
--
-4
-4 min
6 = -0.66 minute
*Only when testing Console, Part No. 2588219. For Console, Part No. 2587177, refer to note
after paragraph 4-12. h.
7-7
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