Rion NL-42A, Instruction Manual, Page: 5 / 154

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Organization of this manual
This manual describes the features, operation and other aspects of the NL-42A/
NL-52A. If the unit is used together with other equipment to confi gure a mea-
surement system, consult the documentation of all other components as well.
Pages v and following contain important information about safety. Be sure to
read and observe these in full.
This manual contains the following sections.
Outline
Gives basic information about the unit.
Controls and Functions
Briefl y identifi es and explains the operation keys and connectors and all
other parts of the unit.
Preparations
Explains how to check the unit before use and how to install and set up the
unit for measurement.
Calibration
Explains how to calibrate the unit for measurement.
Reading the Display
Explains symbols and other information shown on the display of the unit.
Measurement
Explains the basic procedures for measurement.
Card capacity and store time
Lists the data store time corresponding to the SD memory card capacity, etc.
Store Operation
Explains how to store measurement data.