Eneo PNR-5304/4TB - Manual (Page 63)

Part 3 - Configuration
63
Audio (PLS-53xx)
Configure audio recording settings for all cameras
simultaneously.
• Audio Codec: Select an audio codec. (G.711 u-Law,
G.711 a-Law or G.726)
• Audio In: Select an audio input source (microphone
or line-in) and then adjust the volume.
• Audio Out: Adjust the volume.
• Associated Audio In: Associates the selected audio
channel with the camera. It is supported by analog
cameras only.
Cameras do not feature built-in audio amplifier units
and therefore require the user to purchase a speaker
system with a built-in amplifier separately.
Upgrade (PLS-53xx)
Select Firmware Upgrade to display the USB search
window.
Select the corresponding upgrade package from the
storage device connected to the NVR's USB port.
After selecting an upgrade package, select Apply to
upgrade the camera.
• If an upgrade attempt fails, an upgrade failure
message will be displayed. Refer to Error Code
Types on page 78 for more details.
• The camera will reboot after the upgrade and then
reconnect automatically.
• Current software version is not checked when
upgrading a network camera.