Ranger HRC™ operator´s manual – Optimizing the IR Image
Publ. No. TM 614 006 699 Rev B – ENGLISH (EN) – Oct 30. 2008 171
12.2.2.2 Auto focus
The system performs a one-shot auto focus adjustment, which can be tu-
ned manually.
NOTE: When the image has low contrasts between different areas, the IR Camera will
have difculties to auto focus.
Auto focusing and manual adjustments
Step ORIGINAL setting ALTERNATIVE setting
1 Verify that the target is in the center of the image.
2 Keep the camera steady when auto focusing.
Press button
NUC > 1 second to perform
a one-shot auto focus adjustment.
Press the joystick button < 1 second to
perform a one-shot auto focus adjust-
ment.
NOTE: If the default setting for the NUC
button has been changed (Setup-Image
dialog box, see section 7.6.1.1), the NUC
button shall be pressed < 1 second to
auto focus.
The NUC button can also be used to auto
focus, as for the Original setting.
3 Turn the joystick collar to the left/right to
manually adjust the focus near/far.
Press button FCN and turn the joystick
collar left/right to manually adjust the
focus near/far.
As an alternative to using the JCU as described above, the IR Camera
menu system can be used:
Auto focusing and manual adjustments
Step Action
1 Select Setup/IR menu to open the IR Camera menu system.
2 Select Image/ Focus….
3 Select Auto and press the LEFT or RIGHT navigation button to perform a one-shot auto
focus adjustment.
Select <> and use the LEFT/RIGHT buttons to manually adjust the focus.
4 Press the ENTER button to conrm.
5 Press the CANCEL button to exit the IR Camera menu system.
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