Sony ILCA-99M2 Manual page 319

The bit-rate of a recorded movie varies depending on the settings for [
Record Setting].
The movie will be recorded in XAVC S HD format.
During slow-motion/quick-motion recording, the following functions are not available.
[Dual Video REC]
[TC Run] under [TC/UB Settings]
[ TC Output] under [HDMI Settings]
[ 4K Output Sel.]
[332] List of MENU items
Dual Video REC
Allows you to simultaneously record an XAVC S movie and an MP4 movie, or an AVCHD movie
and an MP4 movie. You can simultaneously record a movie in different movie formats onto a
memory card. (To set the recording mode for 2 memory cards, such as simultaneous recording
or sort recording, use [Recording Mode].)
MENU →
1
Menu item details
On:
An XAVC S movie and an MP4 movie, or an AVCHD movie and an MP4 movie, are recorded
simultaneously.
Off:
The [Dual Video REC] function is not used.
Note
When [Recording Mode] is set to [Simult. (
temporarily be set to [Off].
When [ Record Setting] for an XAVC S movie is set to [60p]/[50p] or [120p]/[100p], [
Setting] for an AVCHD movie is set to [60p]/[50p], or [
REC] is set to [Off].
If you select [Date View] in [View Mode] when playing back movies, XAVC S movies and MP4
movies, or AVCHD movies and MP4 movies are displayed side-by-side.
Camera Settings2
(Camera Settings2) → [Dual Video REC] → desired setting.
)] or [Simult. ( / )], [Dual Video REC] will
File Format] is set to [MP4], [Dual Video
Frame Rate] and [
Record