Proxy Recording

This function allows you to simultaneously record a low-resolution proxy clip at the same time as recording a high-resolution original clip when recording to a memory card.

A proxy clip can be subdivided into chunks automatically at short intervals and the files can be transferred before the end of recording.

For details about supported memory cards, formatting memory cards, and checking the remaining capacity, see the following topics.
Recommended Memory Cards
Initializing Memory Cards
Checking the Remaining Recording Time

About the recorded file

The file name extension is “.mp4”.

The timecode is also recorded simultaneously.

Storage destination of the recorded file

The recorded file is stored in the following directory.

Memory card Folder path
Normal recording Chunk recording
SDXC /PRIVATE/M4ROOT/SUB /PRIVATE/M4ROOT/GENERAL/SONY/PXTMP
CFexpress Type A /M4ROOT/SUB /PRIVATE/M4ROOT/GENERAL/SONY/PXTMP

About file names

The file name consists of the clip name recorded on the memory card + “S03” suffix. The file name of a proxy clip recorded in chunks for upload consists of the original clip name + chunk number + “S03” suffix.

Recording a proxy

Configure proxy recording using the following procedure.

  1. Set using [Proxy Rec] on the [Project] status screen or setting [Project] – [Proxy Rec] – [Setting] to [On] in the full menu.

  2. Insert a memory card into a CFexpress Type A/SD card slot.

    • For CFexpress cards, the label faces to the left.
    • For SD cards, the label faces to the right with the beveled corner at the bottom.

    Note

    • Proxy recording cannot be set to [On] at the same time as Slow & Quick Motion. When proxy recording is set to [On], setting Slow & Quick Motion to [On] will temporarily set proxy recording to [Off].

  3. Press the record START/STOP button.

    Proxy recording starts.

    Note

    • If the unit is turned off or the memory card is removed while the memory card is being accessed, the integrity of data on the card cannot be guaranteed. All data recorded on the memory card may be discarded. Always make sure the memory card access indicator is off before turning off the unit or removing the memory card.
    • Make sure that the memory card does not pop out when inserting or removing it.

To stop shooting

Stop the recording.

Setting the audio channel for proxy recording

Set the audio channel for proxy data recording using [Project] – [Proxy Rec] – [Audio Channel] in the full menu.

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