Chapter 2 – Getting Started
Button Definitions
BB 1219 – 11
11
Integrating Sound Level Meter Type 2239 A
User Manual
2.2 Button Definitions
To control the sound level meter, you must use the buttons
on the instrument’s front panel. Each button is marked with
a pictogram. This section gives a brief explanation of each
button.
Power Press this button to switch the in-
strument on or off. The instrument
will begin measuring as soon as it
starts up. Power cannot be switched
off while measuring.
Calibrate Press this button to calibrate your
instrument. See section 3.1 for cali-
bration instructions.
Settings Press this button to step through the
measurement settings windows. With
these windows you can adjust the
measurement time, frequency
weighting, time weighting, and cur-
rent date and time.
Up Arrow Press this button to make changes in
the settings, data, or calibration win-
dows. When recalling records, use
this button to step through the dis-
played records. It increments the
available numbers and choices.
Down Arrow Press this button to make changes in
the settings, data, or calibration win-
dows. When recalling records, use
this button to step through the dis-
played records. It decrements the
available numbers and choices.
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