Plena Mixer Amplifier Installation and User Instructions Connections and settings
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table 4.2: Rotary controls
Rotary control | Effect | Typical example |
Ducking level control | Sets the required ducking level when VOX and/or | Set the ducking level control to |
| push to talk is active (see table 4.1). When the | mute if you want the |
| ducking level is set to mute, the music volume will be | announcement to be heard without |
| fully attenuated; when the ducking level is set to mix, | background music. |
| both music and speech inputs can be heard - music |
|
| and speech will be mixed. When ducking the music |
|
| input is ducked (attenuated), the microphone/line |
|
| inputs are always muted when a call is made. |
|
Telephone | Attenuates the emergency announcement or signal. | Set the volume of the emergency |
emergency/100V | Control range from | announcement to a higher level |
volume control | reasons, the volume of the emergency | when the system is being used in |
| announcement or signal cannot be fully set to zero. | large open areas. |
Note
When PTT or VOX are selected, the ducking control controls between 3 dB attenuation (very little ducking) to
When ducking, the music is also present on the Call only output. If you do not want this, set the ducking control to mute.
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