D-Link dnr-312l User Manual page 32

Section 3 - Configuration Interface
Speaker On/Off: Turn the speaker on or off.
Mic On/Off: Turn the microphone on or off.
Camera List: Displays the names of the cameras connected to the NVR and
the corresponding IP addresses.
Optimize: Click Optimize to fine-tune your camera settings for smoother
live viewing and video recording.
Scan Camera: Click Scan Camera and the NVR will use admin as the user
name and a blank password to automatically add any network cameras from
the same local area network (LAN).
PTZ Control: You can control the camera using the PTZ (pan-tilt-zoom)
camera control panel to adjust the camera angle. This function is only
available with cameras that support the PTZ function.
D-Link DNR-312L User Manual 28