ARRI ALEXA 35 Body & PL Mount Set (LBUS) - Manual (Page 74)

Monitoring 74
14.9 Return In
The SDI 2 output of the camera can be switched to a Return In input to feed 1.5G or 3G SDI signals
into the camera and display them on the EVF and flip-out monitor and/or the SDI 1 output.
► Select
MENU > Monitoring > Return In > Use SDI 2 as Return In to configure the SDI 2 output to
function as an image input.
► Select MENU > Monitoring > Return In > Show Return In on VF to display the return in image on
the EVF and the Monitor.
► Select MENU > Monitoring > Return In > Show Return In on SDI 1 to display the return in image on
the SDI 1 output.
Info: SDI 2 related settings can't be adjusted while SDI 2 is configured to function as return in.
Activation of Return In
Return In can only be switched on and off using a user button assigned with Return In .
► Select MENU > User Buttons and assign Return In to the desired button.
► Press the user button to activate Return In.
14.10 SDI Color Bars
The camera supports to output SMPTE color bars on the SDI outputs. The color bars are a 10-bit signal
according to SMPTE RP 219-2002. Color bars will always bypass the ALF4 look file. These are SDR
color bars, set the SDI color space to either Rec 709 (SDR) or Rec 2020 (SDR) for correct display.
► Select
MENU > Monitoring > SDI Color Bars to switch color bars on or off.
Info: Color bars are switched off when recording is started.
User Button SDI Color Bars supports to quickly enable/disable color bars on the SDI outputs.