TM-9-1290-262-24&P Technical Manual for M2A2 Aiming Circle Download
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ARMY TM 9-1290-262-24&P MARINE CORPS TM 00476C-24&P AIR FORCE TO 49A7-3-72/74 EYEPIECE FOCUS 1 Direct aiming circle line-of-sight into colli- mator. 2 Look into dioptometer eyepiece (1) and turn eyepiece until reticle is in sharpest focus. 3 Hold dioptometer (2) up to elbow telescope eyepiece (3). 4 Slide dioptometer scale knob (4) until el- bow telescope reticle is in sharpest focus. 5 Remove dioptometer (2). Dioptometer scale (5) should read between -0.75 and -1.0. If not, proceed to step 6. 6 Screw elbow telescope eyepiece in or out, as required. 7 Repeat steps 4 thru 6 until dioptometer scale (5) reads between -0.75 and -1.0. 4-23