Instruction manual
ii
Remote Control (NA-27RC1)
Explains the names and functions of the operation buttons on the panel of the remote
control.
Technical Notes
Provides information about the microphone, preamplifier, basic configuration of the sound
level meter, and measurement functions.
Error Messages
Lists error message that can appear during startup, as well as suitable countermeasures.
Optional Accessories
Explains how to use the optional accessories available for the unit.
Specifications
Lists the technical specifications of the unit.
To conform to the EU requirement of the Directive
2002/96/EC on Waste Electrical and Electronic
Equipment, the symbol mark on the right is shown
on the instrument.
The NA-27 described in this manual is in conformity with the
following International Standard;
IEC 61672 - 1:2002 Class1 (Sound level meter)
EMC DIRECTIVE
* Company names and product names mentioned in this manual are usually trademarks or
registered trademarks of their respective owners.