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Test signals, Checking room vibrations, Sine sweep – Meridian Audio 565 User Manual

Page 48

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Calibrating the system

44

In Calibration you can make adjustments using a number of

different signals, shown in the table below. Normally the 565

selects the most appropriate signal for the test.

Signal

Description

High

Continuous ‘pink’ noise, band-limited

500Hz–2kHz.

Low

Continuous ‘pink’ noise, band-limited

20Hz–80Hz.

Digital In

Any signal applied to the appropriate

Optical In

input is combined to mono (L+R) and

Analogue In

then used to supply outputs under

calibration. This allows adjustments to

be made using speech or music, or

external test signals from CD or

LaserDisc.

Sine Sweep

For checking room resonance and

vibration; see opposite.

Silence

No test signal – useful for tracking

down hum and noise.

Test signals

To select a different test signal

Press the Display key.

To test for room vibrations

The Sine Sweep test signal allows you to check your room for

rattles and buzzes which could interfere with your listening.

Press the Display key until the

display shows:

Sine Sweep

Use the

=, ˘, ¯, and > (Play) keys on the Meridian System

Remote to control the Sine Sweep.