Sony FDR-AX53 - Dual Video REC; File Format

The media that the recorded images can be saved on will depend on the setting of [
REC Mode].
[139] How to Use
Menu operations Image Quality/Size
Dual Video REC
You can set the dual recording mode (recording an MP4 movie during movie recording) to
on or off.
1. - [Image Quality/ Size] - [Dual Video REC] - desired setting.
Descriptions of menu items
On :
Records an MP4 movie while recording a 4K or HD movie.
Off:
Does not record an MP4 movie while recording a 4K or HD movie.
Note
When any of the following conditions are met, [Dual Video REC] will be set to [Off].
When [ REC Mode] is set to [60p Quality (1080 60i-compatible device)]/[50p Quality
(1080 50i-compatible device)].
When [
File Format] is set to [ XAVC S HD] and [ Frame Rate] is set to 60p (1080
60i-compatible device)/50p (1080 50i-compatible device).
During [Live Streaming]
During [Multi Camera Control]
The following functions cannot be used when [Dual Video REC] is set to [On].
Dual Capture (When [ File Format] is set to [ XAVC S 4K].)
Lock-on AF (When [
File Format] is set to [ XAVC S 4K].)
Face Detection (When [
File Format] is set to [ XAVC S 4K].)
When [
SteadyShot] is set to [Intelligent Active].
[140] How to Use Menu operations Image Quality/Size
File Format
Set the recording format for recording and playback.