ARRI ALEXA Mini LF User Manual page 109

User Buttons
SDI Zoom (smart)
EI Increase
EI Decrease
FPS Increase
FPS Decrease
ND Increase
ND Decrease
Shutter Increase
Shutter Decrease
WB Increase
WB Decrease
Audio Ch1 Increase
Audio Ch1 Decrease
Audio Ch1+2 Increase
Audio Ch1+2 Decrease
Auto WB
Check Last Clip
Color Bars
Frame Grab
User Button Functions
Press SDI Zoom to activate the zoom function on the SDI outputs. Further button presses
change the Zoom position. A button longpress exits the Zoom function.
Selects the next value from the EI (exposure index) list.
Selects the previous value from the EI (exposure index) list.
Selects the next value from the FPS list.
Selects the previous value from the FPS list.
Selects the next value from the ND list.
Selects the previous value from the ND list.
Selects the next value from the Shutter list.
Selects the previous value from the Shutter list.
Selects the next value from the WB list.
Note: User button skips the Auto WB entry of the WB list.
Selects the previous value from the WB list.
Note: User button skips the Auto WB entry of the WB list.
Increases gain of audio channel 1 in 1dB steps.
Note: User button is only functional with channel 1 control set either to Manual or Manual (+L).
Decreases gain of audio channel 1 in 1dB steps.
Note: User button is only functional with channel 1 control set either to Manual or Manual (+L).
Increases gain of audio channels 1+2 simultaneously in 1dB steps.
Note: User button is only functional with channel 1 and channel 2 control set either to Manual
or Manual (+L).
Decreases gain of audio channels 1+2 simultaneously in 1dB steps.
Note: User button is only functional with channel 1 and channel 2 control set either to Manual
or Manual (+L).
First press arms auto white balance for one second, second press triggers AWB.
Plays the last five seconds of the last recorded clip.
Turns color bar on or off. Activation works only during Stby.
Grabs a Log C still frame in .JPG and .DPX format and saves it to the USB medium in the
GRABS directory. Frame grabs can be stored when the camera is in STBY, REC or PLAY.
When triggered, the frame grab icon displayed on the home screen as well as the status info of
the viewfinder and the SDI outputs reflects the frame grab status:
White:
Orange:
Note: Frame grabs are taken from the SDI image path (including SDI settings such as process-
ing, active look and anamorphic desqueeze) but cropped to the active image area (without
black borders). The frame grab resolution depends on the SDI format (HD / UHD):
Recording Resolution
LF Open Gate 4.5K
LF 2.39:1
LF 16:9 UHD/HD/2K
Frame grab is stored to USB.
Frame grab failed.
Grab Resolution (SDI = HD) Grab Resolution
1547 x 1076
1906 x 795
1920 x 1080
(SDI = UHD)
3094 x 2153
3812 x 1590
3840 x 2160
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