TM 11-4920-292-15
ai. Set ∆180 polarity switch to + ∆180,
minutes, the error shall be 60 3 minutes more
negative than error recorded in ak above.
aj. Set HEADING SELECTOR to 180 DE-
am. With A 180 MINUTES switch at 60, set
GREES.
∆180polarity switch to - ∆180.Readout error
ak. Record readout ERROR.
shall be 60 3 minutes more positive than
al. Rotate ∆180 MINUTES switch clock-
error recorded in step ak, above.
wise, step by step. Readout ERROR shall
an. Rotate ∆180MINUTES switch to 0.
change in a negative direction in increments of
ao. Set ∆270 polarity switch to + ∆270.
about 3 minutes for each position. At +60
monitor assembly manual and electrical swing test.
11-10
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