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1) Channel Calibration – sets the output channel gain and is used to balance channel levels
2) Channel Delay – sets the time delay for the selected channel. Channel delay is used to
time-align each speaker to compensate for the unequal distances between the listener and
the speaker. For example, a subwoofer is usually farther away from the listener than the
front speakers, so the sound from the subwoofer arrives later than the sound from the front
speakers. In this case you would add additional time delays to each of the front speakers to
time align with the subwoofer. The time delays of each speaker can be measured using the
AMC Control software and the optional recommended measurement microphone and USB
audio interface. (See the section on additional equipment you will need, below.)
3) Lip Sync delay – Many video displays have video processing delays, which can cause the
audio to be out of sync with the picture. To compensate for video delay, an overall audio
time delay can be added to re-synchronize the audio with the picture.
4) Reference gain- sets the system gain when the reference button is pressed.
5) Dim gain- sets the system gain when the dim button is pressed.
6) +12/+24 Analog Max IO Level – Some studio monitors are high gain devices that have a
nominal input level of around -10 dBu, and not +4 dBu. This switches gain structure to +12
dB to optimize the signal to noise ratio. This only affects the analog inputs and outputs.
7) Pink noise – outputs a low level pink noise signal on the analog and digital outputs on the
selected channel. The Gain control cycles through each channel assignments to speakers
6) Restore factory default - clears all entered preset data and restores the factory presets.
Follow the prompts on the display.
8) System sample rate – selects an internal system sample rate of either 48 or 96 kHz.
Changing the sample rate can only be done through the AMC remote and will reset the
system. It is recommended that the user exit the AMC control program before doing this.
9) Analog/Device input selection – selects either digital or analog on each of the paired
inputs. If a digital source is selected, the display will indicate if the channel is locked to a
digital source.
10) Bass Management ON/OFF- this parameter is a quick override on bass management If
bass management is turned off, all crossovers except for the LFE filter are disabled and the
individual input channels feeds to the LFE output are turned off.
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