RTS DKP-4016, Техническое руководство

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DKP-4016 Basic Operation 129
Bosch Security Systems, Inc. Technical Manual
F.01U.308.248 Rev. 03
Mic Options Group Box
The Mic Options group box is used to choose how audio is routed to the Preamp Output connector, configure the actions of
the Mic Mute key, to enable or disable mic gain on the keypanel, and to configure AEC
1
(Acoustic Echo Cancellation)
prioritization on a microphone.
•
For further explanation of the available selections for the Mic Preamp Mode drop down menu, see
“Audio Options Menu, Preamp Out” on page 199.
•
For further explanation of the available selections for the Mic Mute Mode drop down menu, see “Audio
Options Menu, Mic Mute” on page 198.
•
For further explanation of the available selections for the Mic Gain Adjust Source drop down menu, see
“Audio Options Menu, Mic Gain” on page 197.
•
For further explanation of the available selection for the AEC Mic Priority drop down menu, see “AEC”
on page 178.
To configure mic options , do the following:
1.
From the Mic Preamp Mode drop down menu, select Switched , Hot , Disabled , or Inverted .
2.
From the Mic Mute Mode drop down menu, select Disabled , Toggle , or Momentary .
3.
From the Mic Gain Adjust Source drop down menu, select the mic gain adjust source .
4.
From the AEC Mic Priority drop down menu, select front or rear .
1. AEC is used to prevent feedback from occurring between the microphone and the speaker.
FIGURE 58.
Audio Options Page – Mic Options Group Box