Q-See QT528 User Manual page 85

Config interface
Alarm setting
Storage setting
Path
Reserved disk
space
Video clip size
Remove all
recorder files
before
Information view
Tick off Sound Alarm ， when Video Loss/Sensor/Motion
happen，trigger sound alarm; Tick off Vibrate Alarm, when
Video Loss/Sensor/Motion happen，trigger vibrate alarm
User can setup the relevant parameters of mobile video. This
function can be valid only insert SD card.
Save path for mobile video files, the default catalog is
/SDCard/. Click button to change path.
reserved SDCard disk space, when the disk space is less than
setup value, the video will be stopped
Single video size. When the video size is greater than setup
value, change another video files
delete all current video files
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