B&K 2250 Light Manual de usuario descargar pdf (Pagina 168)

156

Hand-held Analyzer Types 2250 and 2270 – User Manual

The third line of information allows you to:

• Select the measured position. The selected position is the one highlighted in the table. The

selected position will be the one displayed when selecting the Spectrum or Decay view

• Step forwards or backwards through the positions on all displays, using the and

icons

• Get information on the quality of the measurement through a quality indicator (smiley)

displayed as an icon:

: means results should be used with caution

: means results may be suspect or missing

No icon means the analyzer found no measurement quality issues

Tap the smiley to get more detailed information about the quality indication. (See the

description of smileys in section 14.5.)

Table

The header row of the table contains (from left to right):

• The RT selector (EDT, T20 or T30), which determines which RT to display in the table

rows below. It is also linked to the main Spectrum selector and main Decay selector

• The Frequency selector (which includes decrement and increment buttons),

determines the frequency of the readouts in the table rows below. The frequency selector is

linked to the Spectrum cursor and the frequency of the selected Decay

• Readout of the RT value for the current measurement, before it is saved to a position

Each row of the table contains (from left to right):

• A checkmark controlling whether the position is included or excluded from the Room

Average. Tap it to include (check) or exclude (uncheck) the position. All positions are by

default included in the Room Average

• The position. Tap it to get a drop-down with two options, Select and View Annotations. Use

Select to select the position and View Annotations to view the list of annotations for the

position. You can add annotations on the position from this view – as described in Chapter 6

• Possible annotation indicated by . Tap it to view the list of annotations for the position

• The readout of the RT parameter at the frequency determined by the RT selector and

Frequency selector in the table header row. There might be a smiley to the right of the

readout warning about the quality of the readout. Tap the smiley to get more detailed

information about the warning

1 2 ... 163 164 165 166 167 168 169 170 171 172 173 ... 331 332

Sin comentarios

B&K 2250 Light Manual de usuario Pagina 168