GoPro Smart Remote User Manual page 12

When the remote is connected to multiple cameras, these modes
are available:
Default Startup
Modes
Video
Photo
Burst
Time Lapse
SMART REMOTE SOFTWARE UPDATE
When software updates are available for the remote, you are automatically
notified when you connect the remote to a camera. Follow the on-screen
instructions to install the update.
12
Sets all cameras to their default
power-up modes
Sets all cameras to Video mode
Sets all cameras to Photo mode
Sets all cameras to Burst mode
Sets all cameras to Time Lapse mode