TM 5-6675-250-20
2-16. DETERMINATION OF AZIMUTH VALUE FOR REFERENCE MIRROR [Continued)
L O C A T I O N / l T EM
A C T I ON
R E M A R KS
S E R V I C E ( C o n t i n u e d )
e.
Adjust telescope focus (1) until
autocollimated image (a bright green cross)
appears in clear focus.
f.
Adjust azimuth (1) and elevation (2) controls
to center image accurately in reticle pattern.
g.
Adjust microscope focus control (1) and
THEO BRT control (2) until the horizontal
scale image (3) appears in clear focus.
2-70