Ranger HRC™ operator´s manual – System operation
Publ. No. TM 614 006 699 Rev B – ENGLISH (EN) – Oct 30. 2008  143
As an alternative to using the JCU as described above, the System Soft-
ware menu system can be used:
Manual adjustment
Step Action
1 Press the ENTER button to enter MENU mode.
2 Select Image… from the Setup menu and press the ENTER button.
3 Select Adjust DDE.
4 Use the LEFT/RIGHT navigation buttons to select Yes. The DDE dialog box is displayed.
5 Use the UP/DOWN navigation buttons to increase/decrease the DDE Control value.
6 Press the ENTER button to conrm and to exit MENU mode.
11.3.5  IR palette
There are four different IR palettes:
Rainbow
Rainbow HC
Gray
Iron
The default IR palette is Gray. Changing the palette from Gray to Rain-
bow may improve the  perception of details in low  contrast  scenes, see 
section 12.3.
All IR palettes are possible to invert. With the Gray palette for example, 
white or black can be set to represent hot whitehot is default). Inverting 
the palette may have an effect on how the image is perceived.