To Set a MANUAL range, proceed as follows:
1.From live view mode, press 
then select RANGE.
.The display appears as in Figure 12:
120.6˚F | |
AUTO | MANUAL |
86 | 122 |
Figure 12. Setting Manual Range
2.Press 
to select MANUAL range. The display appears as in Figure 13 (this example is using a different target image):
66.2˚F |
|
LEVEL | SPAN |
50 | 70 |
Figure 13. Setting Level and Span for Manual Range
3.Press 
and 
to experiment with the SPAN setting to choose the best looking display for the area you are studying.
4.Press 
and 
to experiment with the LEVEL setting to choose the best looking display for the area you are studying. When you move the LEVEL, you shift the whole fixed window of temperature range up or down.
5.Press 
to accept your custom LEVEL and SPAN settings and remain in MANUAL range mode.
20 | M12 160x120 Thermal Imager Operator’s Manual |