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

6.2 System

Configures the settings related to the system.

System

No. Name Description
1 Time and Date Sets the year, month, day, hour, minute, and second of the built-in clock.
2 LCD Settings Sets the brightness of the backlight, backlight auto-off time, and LCD auto-off time.
3 Power Sets the type of batteries used in the device.
4 Eco Setting Applies the Eco setting to reduce power consumption.
5 SD Card Checks the capacity and free space of the SD card inserted in the device, and formats the SD card. This can be selected only when an SD card is inserted.
6 Security Sets the user name, password, and key lock.
7 System Information Sets the device model, serial number, index, and program version.
8 User Manual (QR code) Displays the QR code to RION website for Instruction Manuals.

6.2.1 Time and Date

Time and Date

Sets the year, month, day, hour, minute, and second of the built-in clock.
Touch [Apply] to apply the settings.

Note

  • Make sure to set the time before taking measurements.

6.2.2 LCD Settings

LCD Settings

(s = seconds, m = minutes)

Sets the brightness of the backlight, backlight auto-off time, and LCD auto-off time.

Item Description
Brightness Select the brightness of the backlight from 1 to 4.

* Setting it to “4”, continuous operation time on batteries is shortened by about 50%, and setting it to “1”, by about 30% compared to automatic brightness change or the “screen off” operation

Backlight Auto Off
30s If no operation is performed for the selected time, the backlight will be darker than brightness level “1” and will be in the same state as the “screen off” state.
3m
Continue The backlight stays on.
LCD Auto Off
(Auto, Timer Auto)

The continuous operating time with batteries is about 30% longer under this setting compared to when set to change to automatic brightness.

30s When taking measurements, if no operation is performed within the selected time, the backlight will turn off completely.
1m
2m
5m
Continue The backlight stays on.

6.2.3 Power

Power

Sets the type of batteries used in the device.
Incorrect settings may shorten the continuous operation time on batteries.

Item Description
Battery Type
Alkaline Select this when using alkaline batteries.
Nickel Select this when using Ni-MH rechargeable batteries.

6.2.4 Eco Setting

Eco Setting

Switches on/off the Eco setting, which reduces power consumption.
Executing the Eco setting (power saving) automatically changes the settings of the device as follows.

Item Settings in power saving mode
Sub Channel Settings Off
Backlight Auto Off 30s
LCD Auto Off 30s
Brightness 1
AC OUT Off
DC OUT Off
TCP (IO/USB/LAN NX-43EX) Off
LCD auto off time during auto store
NX-43EX
1m
Comparator
NX-43EX
Off

Note

  • [LCD Auto Off] is not displayed in Manual mode.

6.2.5 SD Card

SD Card

Checks the capacity and free space of the SD card inserted in the device, and formats the SD card.
This can be selected only when an SD card is inserted.

Item Description
SD Card Capacity Displays the capacity of the SD card.
Free Space Displays the free space of the SD card.
Format SD Card Formats the SD card.

Note

6.2.6 Security

Security

Sets the user name, password, and key lock. User Name and Password are also used for security during LAN communication.

Item Description
User Name Sets the user name (1 to 12 characters). It is also used as the User Name for LAN communication.
Password Sets the password for the key lock (4 characters).
It is also used as a Password for LAN communication.
Key Lock Sets whether to use a password for canceling the key lock.

6.2.7 System Information

System Information

Sets the device model, serial number, index, and program version.
Data cannot be recalled if the index at the time of recording is different from the set index.

Item Description
Model Displays the model number of the device.
Serial Number Displays the serial number of the device.
Index Displays the index of the device.
Touch to change the number.
Program Information Enables you to check the version of the program installed on the device.

6.2.8 User Manual (QR code)

User Manual (QR code)

Displays the QR code to RION website for Instruction Manuals.
If you load it on your smartphone, etc., you will be taken to the website.