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FOCUSING RING
NOTE
The front lens should be readjusted for viewing objects at diffe-
rent distances. rotate the focusing ring clockwise for far focus,
counterclockwise for near focus.
3.2.3. POLARITY MODES
«polArITY» button switches the direct display mode into the reverse
one, i.e. hot-white/cold-black into hot-black/cold-white mode. If the
polarity is hot-white, the image will be with hotter objects displayed as
white, and the rest of the image displayed as black, and vice versa:
with hotter objects displayed as black, if polarity is black-hot (only is
functional in B&W mode).
3.2.4. BRIGHTNESS
Press «BRIGHTNESS +» and «BRIGHTNESS –» buttons for bright-
ness adjustment. Each short push of the buttons «BRIGHTNESS +»
or «BRIGHTNESS –» raises or lowers the display brightness, corre-
spondingly, in stepwise way.
NOTE
Levels 1 to 8 range from full dim to full bright.
Figure 3-4. Focus Adjustment
EYEPIECE DIOPTER
ADJUSTMENT RING
3-5
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