miniDSP Ltd, Hong Kong /
/ Features and specifications subject to change without prior notice
10
2.6.2
Configure REW
2)
Start REW and open the Preferences window.
3)
On the Soundcard tab, set the sample rate to 48 kHz. Select the headphone amplifier (or DAC) as the output
and the EARS as the input source. Choose the
“sensitive”
channel (Left in this example) for both output and
input
, and set the Sweep Level to −
20 dBFS.
4)
On the Mic/Meter tab, click on Browse. Select the downloaded calibration file for the
“sensitive”
channel.
Make sure that the “Mic or Z weighted SPL meter” option is set.
5)
On the View tab, ensure that the option
“Full scale sine rms is 0 dBFS” is
unchecked
i.e. off.
6)
Turn the volume on the headphone amplifier all the way down
.