Instruction manual
ARRI WCU-4 User Manual 17
Upper Softbuttons
 CAL 
Calibrate all connected lens motors. Press and hold for activation.
CAM 
Enter the CAMERA INFO and the SETUP* and MONOUT* sub-menus.
    * Extended ALEXA camera control is possible with optional software   
    license (K2.72145.0), available from the ARRI license shop.
  MENU  Enter the WCU-4 and lens motor confi guration sub-menus.
Lower Softbuttons
 IRIS  Direct access to Iris function:
    - Set/reset LIMITs, LOCK iris value.
 ZOOM  Direct access to zoom functions:
    - Set/reset LIMITs, set zoom speed, LOCK zoom value.
  FOCUS Direct access to FOCUS functions:
    - Set/reset LIMITs, WIDEN the focus scale, LOCK the focus value, 
     set/reset MARKERs.
Transmission Quality  The higher the number of bars, the better the radio connection quality.
Radio Channel  Radio channels 0-7 are available (see Appendix A.4 for details). 
Battery Capacity  Battery symbol indicates the current capacity (completely white = full).
Camera Information  - Camera status REC - STDBY - ERROR
  - Remaining record capacity in min:sec
  - Camera battery voltage
  - Current frame rate in fps**
  - Shutter angle** 
  ** replaced by UDM/CTM distance value if an Ultrasonic Distance Meter (UDM/CTM) 
  is connected to the ALEXA or UMC-3A.
Iris Scale ***  - Graphical iris scale, iris position indicator
  - Re-writable blank area for individual scale notes 
   (activate in MENU   CONTROL SETUP   SLIDER   BLANK SCREEN)
Iris Value  With some ARRI analog cameras, the iris value will be shown instead of the iris scale.
Focus Scale***  Moving focus lens scale image, MARKER positions.
Focus Value  Numerical focal value in metric or imperial values.
Depth Of Field  Yellow depth of fi eld range bar, if lens data is available from the ALEXA.
Focus Markers  Up to eight pre-set markers will be shown as lines in the depth-of-fi eld bar area.
Zoom Scale***  Zoom lens scale extents values, zoom position indication, limits indication.
Zoom Value  Numerical zoom value.
  *** if the display scale or pointer moves in opposite direction to the slider/stick/knob, 
  change the respective motor direction on the camera or UMC-3A 










