B&K 2250 Light Manuel d'utilisateur télécharger pdf (Page 36)

Hand-held Analyzer 2250 Light – User Manual

4.2.4 Signal Recording Option BZ-7226

This option allows recording of the input signal (typically sound) in either 16-bit or 24-bit

resolution during measurement. The signal recording can be controlled manually or by using

an external trigger signal. The recorded signal can be played back and listened to (hardware

version 4 only) using optional Earphones HT-0015. The signal is recorded directly to the SD

memory cards (or CF card if using hardware versions 1 – 3).

4.2.5 Tone Assessment Option BZ-7231

This option allows the assessment of tones on-site, according to the ISO standard. When used

with 1/3-octave Frequency Analysis Software BZ-7132 and Logging Software BZ-7133, it

allows you to assess tones in a measured 1/3-octave spectrum according to ISO 1996:2007,

Annex D.

4.2.6 Built-in Help

If you need more detailed information at any time during operation, tap the Help icon on

the analyzer’s screen. The resulting screen will explain that particular item in much more

detail. You can scroll up and down the explanatory text using either the and

pushbuttons, or the scroll bar on the screen. Return to the normal display screen by

tapping .

If you need to view any of the previous 10 screens you have visited in the help system, tap the

icon at the top of the display.

Software and Hardware Versions

Once in the help system, you can access the list of installed software versions and licenses,

together with information about the hardware. This information is always available and is

accessed by selecting About from the top of the display.

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B&K 2250 Light Manuel d'utilisateur Page 36