Covert Extreme Red 40 Instruction Manual page 10

short night videos, we recommend a trigger interval
for double the amount of time of your video.
Example: 10 second videos=20 second trigger
interval.
VIDEO SOUND: Your camera can record sound on
videos. Press the ▼ button to highlight the Video
Sound option. Press the ► button to toggle
between ON and OFF. Press the OK button to save
the setting.