Dedicated Micros SD Excel, Installation Manual, Page: 45 / 232

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Installation Guide
Audio
The Audio menu allows settings for the bi-directional audio channels to be edited. Audio can be recorded
from camera inputs via input 2. Challenge audio i.e. originating from an Operator using NetVu ObserVer
at a Remote Video Receiving Centre (RVRC) can be recorded via input 1. This combined audio is then
available on Audio Output 1, refer to ‘Installing the SD Excel for audio hardware installation information.
Audio 1/2 Use the drop down box to assign an audio function to each input,
‘Local’ is Audio recorded from local inputs, ‘Challenge’ audio originates
from an Operator using NetVu ObserVer at a Remote Video Receiving
Centre (RVRC).
Audio Recording Select ‘Enable’ to activate Audio recording. Note that this is a global
action which when Enabled, will result in all audio received by the unit
being recorded to the HDD.
Record Audio Challenge Select this option to record an audio challenge received via an IP
connection i.e. originating from a remote client.
Record Gain This option allows the Record Gain level to be set. This is the base
setting from which the AGC (Automatic Gain Control) will operate.
Select from 1 to 15. The default and recommended setting is 15.
Playback Volume Select a volume setting between 1 to 64 for audio playback.
Record AGC Select this option to activate the AGC function. AGC helps produce a
better quality recording by removing background
noise/distortion.
Record uncompressed Select this option to record audio in an uncompressed format.