Class 1 Sound Level Meter NL-53 / Class 2 Sound Level Meter NL-43
with Extended Function Program NX-43EX Instruction Manual Operation Guide

5.3 Calculated value screen

The measurement amount set to [On] under [Leq Calc.] on the [Display] screen can be displayed on the calculated values screen (“Leq Calc.”).
Each time you touch [Disp] on the menu ring, the display switches in the order of the sound levels screen » calculated
values screen*1 » time-level screen*2 » sound levels screen.
*1 Not displayed when all the calculated value settings of [Leq Calc.] under [Display] of [Menu] are set to [Off].
*2 Not displayed when [Time-Level] under [Display] of [Menu] is set to [Off].

Calculated value screen