Polarity And Color Modes; Brightness; E-Zoom; Recalibrate Switch - ATN OTS-30 Operator's Manual

3.2.3. POLARITY AND COLOR MODES

Push quickly POLARITY button to switch to between white hot and
black hot. Hold down to turn on and cycle through color modes.

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.

3.2.5. E-ZOOM

Push ZOOM button to activate a digital zoom function. When button
is pushed first time, the scope will display a scene magnified 2X. After
second pushing the magnification will changed to 4X. Next pushing
will reset the magnification to 1X.

3.2.6. RECALIBRATE SWITCH

Cover front lens with cap or hand and push button to recalibrate
image.

3.2.7. SHUT DOWN OPERATIONS

To finish the work, perform the following:
1. Use the ON-OFF button to turn the scope off.
2. Replace the protective cover on the objective lens.
3. Replace the protective cap on the output connector socket.
4. Return the scope to the case.
3-4
RECALIBRATE SWITCH
Figure 3-4. Recalibrate Switch