ARRI WRC-1 - Manual (Page 134)

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• Press the MODE button in the main menu to enter the
first submenu. The limit values for the minimum and
maximum camera speed can be defined.
The first display line shows the start value of the camera
speed, and the second line the value at the end of the ramp.
• 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.
The limit values for the aperture can be defined.
The aperture is automatically adjusted by the WRC-1
to compensate the exposure while the camera speed is
ramped. One of the two limit values (minimum or maxi-
mum aperture, depending on the adjustment direction
of the camera speed) can be defined; the other limit
value is automatically calculated by the WRC-1.
Press the SEL button for longer than 2 seconds.
Depending on the definable limit value, the T-stop
value flashes in the first or second display line.
This can now be set using the handwheel. The automatically
calculated other limit value is shown in the other display
line. Press the SEL button again to switch to the next digit.
The T-stop value is confirmed, and the decimal is set to
‘0’, by pressing the SET button.
The full aperture (smallest T-stop number) corresponds
to the selected maximum camera speed.
If the compensation range available with the
aperture is exceeded, the READY LED flashes green
and the warning ‘IRIS RANGE’ flashes on the
display after returning to the main menu. The
limit values for the iris or the camera speed must
be corrected! The camera can still be started for
test purposes in spite of the flashing warning.
However, the exposure may be incorrect!
Controlling the Camera Speed