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

10.1 Setting the date and time

This device has a built-in clock. The date and time of measurements can be saved to the memory along with the measurement data.
Follow the steps below to set the date and time.

1Touch [Menu] on the measurement screen.

Touch [Menu] on the measurement screen.

The [Menu] screen appears.

2Touch [System] on the [Menu] screen.

Touch [System] on the [Menu] screen.

The [System] screen appears.

3Touch [Time and Date] on the [System] screen.

Touch [Time and Date] on the [System] screen.

The [Time and Date] screen appears.

4Set the year, month, day, hour, minute, and second, and touch [Apply].

Set the year, month, day, hour, minute, and second, and touch [Apply].

Note

  • This device has a calculation error of up to about 1 minute per month. Make sure to set the time before measuring.
  • The clock of this device is retained by the built-in backup rechargeable battery when the power is turned off.
    The retention period of the clock depends on the charging time of the backup rechargeable battery (“Backup battery”). It takes about 24 hours to fully charge the device.