Rion NL-42A, Instruction Manual, Page: 74 / 154

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Reading the Display
Output Level Range Lower
Displays the screen to set the lower bound value of the bar graph on the
measurement screen.
Select [Output Level Range Lower] and press the MENU/ENTER key.
The lower limit of bar graph screen appears.
Use the keys to set the value (20 to 80, 10 dB step). Then press the
MENU/ENTER key.
The value of lower limit cannot be set the value set by the “Output Level
Range Upper” or more.