TM 5-6675-323-14
(1) Set all zoom knobs to same setting (photographs are same scale).
(a) Rotate zoom knobs fully to right. Pull up combined zoom knob.
(b) Set combined zoom knob to full right and push down.
(c) Rotate combined zoom knob to change magnification.
(2) Change image size (right and left photographic scales are different).
(a) Lift combined zoom knob to uppermost limit.
(b) Adjust left and right zoom knobs until photographic images are same
size.
( c ) A d j u s t e a c h i m a g e u s i n g p o d c o n t r o l s , a n d r o t a t e e a c h image with
i m a g e r o t a t i o n . W h e n images are equal in size and rotation, the images merge
t o g e t h e r i n a n a p p a r e n t t h r e e - d i m e n s i o n a l o b j e c t . P u s h c o m b i n e d zoom knob down.
T h e 2X attachment lenses double
(3) Install attachment lenses (if required).
the magnification and halve the field of view.
7-13
