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General| Brand | Rion |
|---|---|
| Model | NL-22 |
| Category | Measuring Instruments |
| Language | English |
Describes operating procedures, peripherals, and memory card use.
Details communication protocol, commands, and data output.
Provides in-depth information on circuit configuration, performance, and measurement factors.
Basic information on unit capabilities, features, and block diagram.
Identifies and explains all controls, buttons, and parts of the unit.
Covers initial setup, power supply, and essential preparations before use.
Explains display symbols, indicators, and screen information.
Steps for turning the unit on and off.
How to perform various sound level measurements.
Describes methods for storing and recalling measurement data.
Information on memory cards, optional accessories, default settings, and output connectors.
Lists screen messages and technical specifications of the unit.
Marks and explains important safety instructions to prevent harm.
Lists guidelines for safe and correct unit operation.
Describes the types of sound level measurements the unit can perform.
Details optional accessories like printers and level recorders.
Describes the front panel of the sound level meter and its controls.
Explains the function of each button on the unit's keypad.
Describes compartments, connectors, and ports on the unit's rear and bottom.
Details battery and AC adapter power options.
Instructions for connecting the AC adapter.
Attaching accessories for measurement and mounting.
Information on using memory and program cards.
Details on using extension cables for the microphone.
How to connect and use printers and level recorders.
Connecting to computer, setting date and time.
Adjusting LCD contrast and using backlight in dark locations.
Procedures for calibrating the unit, electrical and acoustic.
Illustrates the display elements and their meanings.
Explains various indicators like battery, time, memory, and status icons.
Details navigation through menu screens 1/5 to 5/5 for settings.
Steps to turn the unit on.
Steps to turn the unit off.
Procedure for measuring general sound level.
How to measure Leq.
How to measure percentile sound levels.
How to measure maximum and minimum sound levels.
How to measure specific auxiliary values like Lpeak, LCeq.
Steps to activate the data exclusion function.
How to set the threshold level for the output signal.
How to manually store sound level and processed values.
How to recall data from the unit's internal memory.
How to recall data from a memory card.
How to erase data from internal memory.
How to erase data from a memory card.
Describes automatic data storage modes 1 and 2.
Instructions for inserting and removing memory cards.
Details data storage capacity and file organization for Auto 1 and Auto 2.
Information on compatible memory card types and formatting.
Lists the unit's default settings for various functions.
Specifies the AC and DC signal output characteristics.
Describes the I/O connector and USB interface specifications.
Details optional extension cables for the microphone.
Instructions for connecting printers and level recorders.
Instructions for using program cards and other optional equipment.
Explains messages for file open, overwrite, card read/write, and format errors.
Covers messages for store end, data limits, timer mode, battery, and invalid operations.
Lists relevant standards and the unit's measurement capabilities.
Specifies measurement ranges, frequency response, and weighting options.
Details calibration methods, back-erase, processing, and data storage functions.
Details output ports, I/O, USB, comparator, and power requirements.
Lists supplied and optional accessories, and provides dimensional drawings.
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