Sony A6300 User Manual page 167

Enable:
Releases the shutter even if no memory card has been inserted.
Disable:
Does not release the shutter when no memory card has been inserted.
Note
When no memory card has been inserted, the images shot will not be saved.
The default setting is [Enable]. It is recommended that you select [Disable] prior to actual
shooting.
[168] How to Use
Silent Shooting (still image)
You can shoot images without the shutter sound.
1. MENU →
Menu item details
On:
You can shoot images without the shutter sound.
Off:
[ Silent Shooting] is deactivated.
Note
Use the [ Silent Shooting] function on your own responsibility, while taking sufficient
consideration to the privacy and portrait rights of the subject.
Even if [ Silent Shooting] is set to [On], it will not be completely silent.
Even if [ Silent Shooting] is set to [On], the operating sound of the aperture and focus
will sound.
When shooting still images using the [
sensitivity, if you point the camera at a very bright light source, high intensity areas on the
monitor may be recorded in darker tones.
When the power is turned off, the shutter sound may beep in rare occasions. This is not a
malfunction.
Image distortion caused by the movement of the subject or the camera may occur.
If you shoot images under instantaneous lightning or flickering lights, such as the flash
light from other cameras or fluorescent lighting, a striping effect may occur on the image.
Using shooting functions
(Custom Settings) → [
Setting the other functions of this product
Silent Shooting] → desired setting.
Silent Shooting] function with low ISO