Ranger HRC™ operator´s manual – Optimizing the IR Image
Publ. No. TM 614 006 699 Rev B – ENGLISH (EN) – Oct 30. 2008 175
As an alternative to using the JCU as described above, the IR Camera
menu system can be used:
External NUC against lens cover
Step Action
1 Select Setup/IR menu to open the IR Camera menu system.
2 Select Setup/Image…/Shutter.
3 Use the LEFT/RIGHT navigation buttons to select External.
4 Press the ENTER button to conrm.
5 Press the ENTER button to re-open the IR Camera menu system.
6 Select Image…/NUC.
7 Press the LEFT or RIGHT navigation button or ENTER to perform a NUC.
8 Press the CANCEL button to exit the IR Camera menu system.
12.2.4.3 External NUC against scene
When an External NUC against the scene is performed, the camera shall
be directed towards a surface with an even temperature. The temperature
of the reference surface shall preferably be the same as the temperature
of the target. A clear sky can, even if it is cold, be used as an acceptable
reference surface.
External NUC against scene
Step Action
1
Press buttons
C + NUC < 1 second to perform an External NUC against the scene.
NOTE: If the default setting for the NUC button has been changed (Setup-Image
dialog box, see section 7.6.1.1), the
C + NUC buttons shall be pressed > 1 se-
cond to perform an Internal NUC.
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