Brightness; Zoom; Manual Image Refresh - ATN ThOR Series Operator's Manual

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, cor-
respondingly, in stepwise way.
NOTE
Levels 1 to 8 range from full dim to full bright.

3.2.5. ZOOM

Zoom button activates a digital zoom function.
The ThOR default digital zoom is 1X. When ZOOM button is pushed
first time, the scope will display a scene magnified 2X. To reset the
magnification to the 1X press Zoom button again.

3.2.6. MANUAL IMAGE REFRESH

Degradation of the image (image blurring) is caused by charge ac-
cumulation on the detector array.
Use the ToUch Up button to maintain an optimum thermal image.
During this refresh, the video will freeze for approximately 0.5 se-
cond.
NOTE
while performing very frequent Refreshes can provide the best
possible image quality but also can decrease substantially the
battery life.
3-6
ToUch Up bUTTon
FIGURE 3-5. TOUCH UP BUTTON