B&K 2250 Light Manual de usuario descargar pdf (Pagina 42)

Hand-held Analyzer 2250 Light – User Manual

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 not calibrated. In this case the word Uncal.

appears in the Status Field

• Four icons are used to represent whether, or not, a 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 –

• Immediate textual feedback on overload/underrange situation and latched overload indi-

cated with an Overload icon

Third Line: Used for Logging. See “Status Field” on page 101.

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 (that is, 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

want the screen changes to be saved in the current template, select the Save Template option

from the Main Menu .

Note: If you make changes to the screen that you do not want to keep (and you have not yet

selected Save Template), you can undo them by selecting the template again from the Project

Template bar at the top of the screen.

Shortcut Bar

The Shortcut Bar, at the bottom of the screen, displays a number of fixed icons that are always

accessible. These include:

• Main Menu icon , gives access to the Main Menu. This allows you to navigate to a

specific function, see description earlier under Navigation Principles

• Backlight icon , allows you to select a backlight level

• Help icon , a quick way to get context-sensitive help from any screen by tapping on the

icon at the bottom. Closing the help window will return you to the previous screen

• Battery/power Status icon , shows the condition of the battery. All green shows a

fully charged battery, while red means power levels are low. Tap the icon to get more

details of the battery condition. (When the Power Supply lead is connected, the

icon will be displayed in place of the Battery/power Status icon .)

• The clock in the lower right corner displays the current time. Tap the readout to get details

of the time and date, or to set the clock

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B&K 2250 Light Manual de usuario Pagina 42