RTS KP-4016, Техническое руководство

Страница: 138 / 306

138 Basic Operation KP Series
Bosch Security Systems, Inc.
Technical Manual F.01U.304.914 Rev. 05
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 209.
•
For further explanation of the available selections for the Mic Mute Mode drop down menu, see “Audio
Options Menu, Mic Mute” on page 208.
•
For further explanation of the available selections for the Mic Gain Adjust Source drop down menu, see
“Audio Options Menu, Mic Gain” on page 207.
•
For further explanation of the available selection for the AEC Mic Priority drop down menu, see “AEC”
on page 187.
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 65.
Audio Options Page – Mic Options Group Box