Grandstream Networks GSC3570 User Manual page 18

Figure 29: RTSP Audio volume control
Screen Snapshot During RTSP Streaming or SIP Video Call
This feature does not need any configuration and enabled by default, but SD card is required for this feature to work correctly.
RTSP Streaming: During RTSP steaming, in the middle of the screen, a virtual "Snapshot" button will appear. Press that button
will capture current screen and the snapshot will be saved in the SD. The file path will display in the screen then disappear.
Figure 30: RTSP Snapshot
SIP Video Call: During SIP video call, press the "More" icon will pop up another screen, the "Screenshot" icon will be
displayed. Press the "Screenshot" button will capture current snapshot and stored it in the SD card.