Rion NL-42A, Instruction Manual, Page: 96 / 154

78
Measurement
Note
If any or several of the following conditions apply, the
back-erase function will not be available.
- Waveform Recording Program NX-42WR is installed
and Wave Rec Mode is set to a setting other than “OFF”.
- “
L
eq,1s
” is selected as LN Mode.
- “
L
Atm5
” is selected as additional processing item.
22. Press the DISPLAY key to switch the display.
L
Aeq
means that the equivalent continuous sound level is displayed.
If
L
Aeq
is not shown, check whether
L
eq
is set to ON on the setting screen.
If the indication OVER is shown, the processed data include an
overload condition.
If the indication UNDER is shown, the processed data include an
under-range condition.
Note
During measurement, you can use the DISPLAY key to
check the equivalent continuous sound level as currently
calculated. (This applies only to the numeric level display.
The bar graph shows the sound level.)
After the measurement is completed, changing the frequen-
cy weighting (A/C/Z), time weighting (F[Fast]/S[Slow])
or other settings hides the measurement value.
Time-Level screen
Data excluded
by back-erase function (ON, 5 s)