Sinewave Sweep Test - Meridian 861v8 User Manual

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Configuring the 861

Sinewave sweep test

Reference Digital
Surround Controller
The 861 Reference Digital Surround Controller includes
a sinewave signal test, to help you set the subwoofer
crossover frequencies, or check for room resonances.
• Select a PCM source; eg an analogue source or CD.
• Press Configure (under the front panel).
The displays shows:
An 80Hz sinewave will be played through all channels.
You can change the test signal using the menu keys,
as described in the following sections.
To change the sweep rate
• Press < or > (remote or under the front panel) until
the display shows:
• Press A or V to change the sweep rate and
direction, as follows:
Display
CD
CD
CD
CD
CD
The sine sweep will stop when it reaches 0.5Hz or
200Hz.
CD Sine
CD Pause
Description
Fast sweep up.
>> 88.5Hz
Slow sweep up.
> 81.5Hz
Paused.
Pause 80.0Hz
Slow sweep down.
< 78.5Hz
Fast sweep down.
<< 70.5Hz
To change the volume
• Use the volume keys in the usual way.
Warning: Very loud low-frequency signals may
damage speakers.
To select other test signals
80.0Hz
• Press < or > (remote or under the front panel) until
the display shows the current signal.
For example:
• Press A or V to choose between the following test
signals:
Display
CD Sine
80.0Hz
CD Silent
CD Input
CD Noise
To select the channel
• Press < or > (remote or under the front panel) until
the display shows the current channels.
For example:
• Press A or V to select a specific channel, or All
Channels.
CD Sine
Description
A sinewave.
Silence.
The source signal in
mono (left + right).
Pink noise (band pass
500Hz to 2kHz for main
channels).
CD All Channels