Long Wavelength Optical Spectrum Analyzer AQ6375


This firmware is intended to upgrade the AQ6375 to the latest version.


Please read installation procedures throughout before performing the installation.
Each zip file contains firmware program file and an installation procedure.

Revision History

Version Date Contents
R02.03 Jan 5, 2013
  • Optimized the motor control process
R02.02 Jan 13, 2012
  • Accommodate itself to the new model AQ6375 in addition to 735305
  • Added the All-at-once trace filing function and the product information window
R01.03 Jan 16, 2009
  • Optimization of EDFA-NF analysis function
R01.02 Jun 9, 2008
  • Optimization of FILTER PEAK/BOTTOM analysis function
  • Optimization of template data load function
  • Optimization of MEMORY data(.csv) save function
  • Improvement of firmware update function
  • Other firmware improvements and optimizations
R01.01 Nov 16, 2007
  • First edition



Please read Software Agreement carefully before downloading.


Version R02.03
Release Date Feb 15, 2013
File Name AQ6375-R2.03.zip 760 KB


Type Firmware* Registration is required to download.


* Software Agreement
  • The property rights, proprietary rights, intellectual property rights, and all other rights associated with the software are held by Yokogawa Test & Measurement Corporation.
  • Under no circumstances is any dumping, reverse compiling, reverse assembly, reverse engineering, or any other kind of alteration or revision of this software allowed.
  • This software is offered free of charge, but no unlimited warranties are made against any defects whatsoever.
  • Also, Yokogawa may not be able to accept inquiries regarding repair of defects in or questions about this software.
  • The contents of this software are subject to change without prior notice as a result of continuing improvements to the software's performance and functions.
  • Yokogawa bears no liability for any problems that may occur during download or installation of this software.
  • Use of the Yokogawa Web site is at the user's own risk.
  • Any parties contributing to the creation or distribution of the contents on the Yokogawa Web site shall bear no responsibility whatsoever for any damages occurring as a result of the use of said contents.
  • Note that you must agree to the contents of “Software License” for the software that encloses or displays the “Software License” as the conditions of use.
  • This software product may contain open source software (hereafter referred to as OSS). License terms appropriate for each OSS component are applicable in place of the terms of this license. If there is a discrepancy between the terms of the OSS license and the terms of this license, the license terms of the corresponding OSS take precedence.

Downloading of the software indicates acceptance of the software agreement.

Related Products & Solutions

Long Wavelength Optical Spectrum Analyzer AQ6375

Unique LONG wavelength range of 1200 to 2400 nm makes this the world's first and only OSA specifically designed for use in advance applications such as Carbon Monoxide (CO), Carbon Dioxide (CO2) gas detection and LIDAR.