B&K 2250 Light Manual do Utilizador descarregar pdf (Página 241)

APPENDIX A

Setup Parameters

229

A.5 Measurement Control – for Reverberation Time

Software BZ-7227

Table A.5 Measurement Control parameters – for Reverberation Time Software BZ-7227

Parameter Values Comment

Map Based Measurement No

Yes

If Map Based Measurement = Yes you can define

the source positions and receiver positions

graphically on a map – otherwise the

measurements are just numbered from position

number one (Pos. 1) onwards

Meas. All Pos. for Each Source No

Yes

Parameter only available if Map Based

Measurement = Yes.

Set to Yes for measuring all positions for each

source position.

Set to No for measuring a specific number of

receiver positions per source position

No. of Positions per Source 1 to 10 Parameter only available if Meas. All Pos. for Each

Source = No

Set number of receiver positions you want to

measure per source

Increment Sources First

Receivers First

Manual

Parameter only available if Map Based

Measurement = Yes.

Allows you to select the quickest method of

measurement, when positioning your analyzer in

relation to source and receiver positions. (Typically,

Sources First is best for Impulsive Excitation and

Receivers First is best for Interrupted Noise

excitation)

Automatic Save No

Yes

Set to Yes to automatically save the decay after

each measurement

Max. Decay Time 1 to 30 s Sets the maximum duration of the decay

measurement. If the decay finishes in a shorter

time, decay measurement stops automatically

Note: If you set Max. Decay Time above 20 s, then

the measurement will not stop before this time has

elapsed

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