Sony a7R V Mirrorless Camera - Manual (Page 21)

21 US
This function works only when playing
the Dolby Digital signal of the device
that is connected to the TV IN
(OPTICAL)/HDMI OUT (TV (ARC)) jack.
When you set Dolby DRC (Dynamic
Range Control) to on, dynamic range of
the audio signal (range between the
maximum and minimum volume) is
compressed and sound with low
volume is easy to hear.
Press and hold AUDIO for 5 seconds to
set the function to on or off.
You can enjoy multiplex broadcast
sound when the system receives a
Dolby Digital multiplex broadcast signal.
Press AUDIO repeatedly.
The channel changes cyclically as
follows.
Main
 Sub  Main/Sub
To receive a Dolby Digital signal, you need
to connect a TV or other devices to the TV
IN (OPTICAL) jack with the optical digital
cable (supplied) or the HDMI OUT (TV
(ARC)) jack with an HDMI cable (not
supplied).
Making Sound with Low
Volume Easy to Hear by
Compressing Dynamic
Range
Dolby DRC on
The USB indicator flashes twice.
Dolby DRC off
The USB indicator flashes once.
Enjoying Multiplex
Broadcast Sound (AUDIO)
Main
Outputs only the main channel.
The TV indicator flashes once.
Sub
Outputs only the sub channel.
The USB indicator flashes once.
Main/Sub
Main sound is output from the left speaker
and sub sound is output from the right
speaker.
The TV and USB indicators flash once.
Note