Ranger HRC™ operator´s manual – Joystick Control Unit
Publ. No. TM 614 006 699 Rev B – ENGLISH (EN) – Oct 30. 2008  39
6.2.4  LRF mode
The LRF mode is entered by pressing the FCN + INV buttons simultan-
eously in NORMAL mode.
In LRF mode, most buttons are disabled. These are not included in the 
table below.
JCU joystick and keypad – LRF mode
Feature Description
SCN Press the FCN + SCN buttons to re a shot, see section 11.5.2.
C Press the C button to deactivate the LRF unit and exit the LRF mode.
NUC Press the NUC button < 1 
second
 to perform an Internal NUC.
Press the 
NUC button > 1 
second
 to perform a one-shot auto focus adjustment.
Press the 
FCN + NUC buttons < 1 
second
 to perform an External NUC against the 
lens cover.
Press the 
FCN + NUC buttons > 1 
second
 to go to the xed focus position.
Press the 
C + NUC buttons < 1 
second
 to perform an External NUC against the 
scene.
Press the 
C + NUC buttons > 1 
second
 to perform a one-shot auto focus adjustment.
NOTE: The default behavior (above) of the NUC, FCN + NUC and C + NUC buttons 
can be inverted in the Setup- Image dialog box, see section 7.6.1.1.