B&K 2250 Light Manual do Utilizador descarregar pdf (Página 53)

CHAPTER 4

Getting to Know Your Analyzer

First Line:

• Path and name of the current project (see section 6.1.1). Tap it to open the Explorer. To

change the path, navigate to the desired job (path) and tap the icon to save this path as

the default measurement path. As in the project template, an ‘

’ will appear next to the

project name to indicate that the project has not been saved. Press the Save pushbutton

if you want to save the measurement or changed settings.

• Smiley (if applicable)

•The PC icon indicates connection to a PC

•The Commentary icon indicates when a spoken commentary is being recorded,

together with an indication of the available recording time

•The Recording icon indicates when the measurement signal is being recorded

•A Paperclip icon indicates that a spoken or written comment is attached to the project.

Tap the icon to view, or listen to, the comment

Second Line:

• Measurement state represented as icons: Stopped , Running and the Paused icon

• Elapsed time of the measurement

• Feedback on the action of pressing the following pushbuttons: Reset , Back-erase ,

Start/Pause and Save

• Indication that the measurement microphone is uncalibrated. In this case the word Uncal.

appears in the Status Field

• When a microphone has been selected as input, then four icons are used to represent

whether, or not, the windscreen is fitted and whether you are measuring in a free-field or

diffuse field. For example, no windscreen fitted, measuring in a free-field – ; no

windscreen fitted, measuring in a diffuse field – ; windscreen fitted, measuring in a free-

field – ; windscreen fitted, measuring in a diffuse field – . The Accelerometer icon

is displayed if an accelerometer is selected as input, and the Input Socket icon is

displayed if Direct input is selected. For Type 2270, two icons are displayed – one for Ch.

1 and one for Ch. 2. If only one channel is used, then no icon is displayed for the unused

channel

• Immediate textual feedback on overload/underrange situation and latched overload indicated

with an Overload icon

Third Line:

• Used for Logging and Enhanced Logging, see section 11.3.1, or used for

Reverberation Time, see section 14.3.1

View Area

The View Area contains the screens required for a particular measurement, such as bar graphs,

result readouts and various frequently used setup parameters (for example, Meas. mode). The

template defines the content of this area. More than one screen can be used for displaying the

information. Select the screen using the view tabs at the bottom of the View Area.

Changes made to the screens will only be applied temporarily, that is, until you select another

project template or open another project to re-use the screen from that project. However, if you

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B&K 2250 Light Manual do Utilizador Página 53

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