Iso-Tech SLM 52N, Инструкция по эксплуатации

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EN-15
4. When performing measurement according to IEC or other standards, the frequency
weighting and time weighting setting required by the standard should be selected.
5. Press the “
▲
▲ ▲
▲
and
▼
▼ ▼
▼
” buttons to select desired level range. Choose a setting in
which the bar graph indication registers approximately the middle of the range. If the
“
Ov ” indicator appear during measurement, the upper limit of the selected range has
been exceeded. Increase the range setting until the symbol remains off during
measurement. Similarly, if the “
Un ” indicator appears, reduce the range setting until
the symbol remains off during measurement. Both indicators are non-latching and will
clear when the correct range is selected.
6. The numeric level indication shows the currently measured sound level. The
reading is updated once every second.
7. If an over-range or under-range condition has occurred at least once during
measurement the “ Ov ” or “ Un ” indication is shown on the display, to indicate
that over-range or under-range data were included in the sound level measurement
values for processing.
8. Press the MAX button to record the maximum time-weighted sound level
encountered during a measurement period; the “max” indicator will appear on the
display. Press this button again to exit this mode.
10. STORE OPERATIONS
1. To memorize the reading
Press MEM button to store one set measurement data in memory, and LCD will
show “ M ” and memory location numbers (1 to 99).
When the data number 99 is reached, the “FULL” indication is shown on the
display, does not change further and does not return to 1.
2. To recall and read the reading
Press READ button to recall the reading memory data mode. LCD will show " R "
and memory location numbers.
Press
▲
or
▼
button to scroll through the logged readings.
Press READ button again to exit READ mode.
3. To clean the memory
Press “ ” button to turn-off the meter.
Press and hold down MEM button then press “ ” button to turn on the meter,
LCD will show “CLr” and all stored data are clear.