B&K 2250 Light Manual do Utilizador descarregar pdf (Página 297)

APPENDIX D

Preferences

285

Automatic Gain Control On

Off

To ease identification of sound

sources, the gain can be

automatically adjusted to keep the

average level within a 40 dB range.

When playing back the recorded

signal, you will then hear clearly the

whole signal content, whether the

level has been 20 dB or 140 dB.

Set Automatic Gain Control to On

to convert the signal at the

headphone output.

Set Automatic Gain Control to Off

for listening to the signal with a fixed

gain

Gain for Meas.Signal – 80.0 dB to 60.0 dB for

Automatic Gain Control set to

Off

–60.0dB to 0.0 dB for

Automatic Gain Control set to

Key in a gain value (0.1 dB

resolution) for the measurement

input signal. Use ‘@’ to assign the

new value for immediate response

at the output – or use the up/down

navigation keys to

increment/decrement the value in

steps of 1 dB.

Note: 0 dB means 1 V output for

1 V input (Automatic Gain Control

set to Off)

Gain for Annotations

–60dB to 60.0 dB

Key in a gain value (1.5 dB

resolution) for the commentary

annotations

. Use ‘@’ to assign the

new value for immediate response at

the output – or use the up/down

navigation keys to

increment/decrement the value in

steps of 1.5 dB.

Note: Maximum gain is limited to 0 dB

for 16-bit wav-files

Table D.5 (Cont.) Headphone Settings

Parameter Values Comment

1 2 ... 292 293 294 295 296 297 298 299 300 301 302 ... 331 332

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