Atlona AT UHD CLSO 612 V2 - Manual (Page 19)

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Microphone ducking uses the audio level from the microphone to decrease the program level so the
speaker may be heard.
Note: Proper set up is critical for satisfactory operation. If program levels are too high they can trigger the ducking
process.
Note: Setting the microphone volume too high may result in feedback.
It is recommended that a handheld or headset microphone be used with ducking to reduce
feedback and maximize the difference between voice and program levels.
Best results are received with the following sequence:
1. Set master volume to 0. (This is 10 db below maximum)
2. Raise appropriate microphone (or line in) volume until just below feedback or adequate volume
is reached (whichever setting is lower). - Master level and amplifier gains may be increased to
get appropriate levels
Note: If feedback occurs and volume is not adequate, move the speakers and/or microphone to eliminate
feedback.
3. Raise source “sub” volumes to appropiate levels without talking
4. Set attack time to minimize popping, but still fast enough that initial talking sounds are heard.
5. Set release time so that program levels do not increase between sentences.
Note: Shorten time so that the microphone doesn’t interfere with the program.
6. Set the trigger level so that words spoken at a normal level trigger the ducking process
Note: Set the trigger level too sensitive and the program will trigger the ducking. Set too low and the speaker
will have to talk very loudly to trigger ducking. The further right the slider is, the more sensitive the
setting.
7. Set program decrease to ensure when ducking is triggered the program level is low enough the
speaker can be heard.
Fine tuning these settings will help achieve the best results.