TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 235 of 775

TM 9-2350-311-10

2–11 OPERATION OF FIRE CONTROL EQUIPMENT UNDER NORMAL CONDITIONS

— CONTINUED

2-11.1 M117/M117A2 Panoramic Telescope and M145/M145A1 Telescope Mount — Continued

b. Description of M117/M117A2 Panoramic Telescope and M145/M145A1 Telescope Mount Components

— Continued

22 Elevation knob (24) adjusts reticle up or down 300 mils when turned.

23 Quadrant seat (25) allows M1A1 gunner’s quadrant to be positioned for fine elevation adjustment.

24 Variable resistor knob (26) varies amount of light for reticle pattern when turned.

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