ARRI WRC-1 - Manual (Page 126)

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Note: To check the image in the viewfinder, the iris can
be opened completely by pressing the OPEN
button (if controlled by the WRC-1). The iris
remains open until the OPEN button is released
again. This does not alter the programmed
settings. The OPEN button is without function
while the camera is running.
With most lenses, the T-stops before the end-stops
are not exact due to the tolerances involved. In
order to avoid incorrect exposure, the adjusted
iris range should not contain these values.
With the iris wide open a lens-related reduction
in brightness towards the edge of the image
may occur, looking like an incorrect exposure.
The exact values are dependent on the lens type
and must be determined with test shots.
• Press the MODE button in the main menu to enter the
first submenu. The limit values for the left and right
end-stops of the handwheel (minimum and maximum
camera speed) can be defined.
The first display line shows the value for the left end-stop,
the second line shows the value for the right end-stop.
• Press the SEL button for longer than 2 seconds.
The first digits in the first display line flash. The required
value can now be set using the handwheel. Press the
SEL button again to switch to the next digit. The first
digits are confirmed, and the decimal positions are set
to ‘0’ by pressing the SET button. The values in the
second display line can be set accordingly.
• Press the MODE button to go to the next submenu.
To define the values for the minimum and maximum
shutter angle (if controlled by the WRC-1), use the SEL
and SET buttons and the handwheel, as described above.
The first display line shows the value for the left end-stop,
the second line shows the value for the right end-stop.
Controlling the Camera Speed