Brightness; Zoom - ATN TTWS Series Operator's Manual

To select polarity go to ISM Main menu and push left arrow button to
cycle between white hot and black hot polarities.

3.2.5. BRIGHTNESS

Brightness allows you to dim or increase the brightness of the dis-
play.
To cycle through the BRIGHTNESS steps go to ISM Main menu and
push the down arrow button for brightness adjustment. Each short
push of the buttons will cycle through the BRIGHTNESS modes,
correspondingly, in stepwise way.
NOTE
Levels 1 to 6 range from full dim to full bright.

3.2.6. ZOOM

324x256 and 336x256 models have 2 steps of digital zoom (factor
of 2x and 4x). 640x512 models have 3 steps of digital zoom (factor of
2x, 4x and 8x).
To cycle through the digital zoom steps go to ISM Main menu and
push Up arrow button.
When ZOOM button is pushed first time, the scope will digitally
zoom a scene by 2 times the scopes optical magnification. When
the zoom button is pushed the second time the scope will digitally
zoom a scene by 4 times the scopes optical magnification for TTWS
models with the 324x256 or 336x256 core. To reset the magnifica-
tion to the default optical magnification press ZOOM button third
time. For TTWS models with the 640x512 core when the zoom
button is pushed the third time the scope will digitally zoom a scene
by 8 times the scopes optical magnification. To reset the magnifica-
tion to the default optical magnification press ZOOM button fourth
time.
NOTE
Resolution decreases with each step of digital magnification.
The reticle has a built in compensation to shift and stay on the target
during digital zoom operations as depicted in Figure 3.8.
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