TM 5-6675-250-10
OPERATING INSTRUCTIONS
INDEX
TITLE
SECTION
PAGE
Description and Use of Operator's Controls
I
and Indicators
Preventive Maintenance Checks and
II
Services (PMCS)
Operation Under Unusual Conditions
IV
DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS
Section I.
2-1. OPERATOR'S CONTROLS AND INDICATORS
a.
Gyroscopic Reference Unit (GRU)
(1) Uncaged indicator (1). The UNCAGED
indicator is located on the upper
housing of the GRU and is illuminat-
ed during operations when the pen-
dulum is uncaged.
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