TM 11-6625-3081-23
2-17.
OPERATOR INSTRUCTION MESSAGES (cont)
2-17
A.
B.
C.
D.
E.
F.
G.
H.
REMOVE THE LENS CAP FROM THE
SPOTMETER.
FOCUS SPOTMETER TO 1.25 FEET
(X:XXX RATIO).
SET SPOTMETER SHUTTER AND X1OO
ATTENUATOR KNOB (15) TO VIEW.
OBSERVE SPOT THROUGH SPOTMETER
VIEWFINDER. POSITION SPOTMETER SO
SPOT IS CENTERED ON RED LIGHT.
SET SPOTMETER 'FILTER SELECTOR' KNOB
(17) T0 PHOT.
SET SPOTMETER FOCUS TO INFINITY
(SCREW LENS CLOSEST TO METER BODY).
SET SPOTMETER SHUTTER AND X1OO
ATTENUATOR KNOB (15) TO CLOSE.
SET SPOTMETER SENSITIVITY
MULTIPLIER (18) TO O.
READ SPOTMETER DISPLAY AND ENTER VALUE:
Enter the value and press <RETURN>. If
value is between O and 24, it is within
the required range and will pass.
(15) BEGIN ADJUSTING
R6 (23) CLOCKWISE -->
3 BEEPS
R6 (23) COUNTERCLOCKWISE - > SINGLE BEEP
PROCEDURE WILL CONTINUE WHEN ADJUSTMENT
IS COMPLETE.
(16) ADJUST CLOCKWISE and/or ADJUST
COUNTERCLOCKWISE.
Perform adjustments as necessary.
2-142.34
Change 9