AQ6370B Optical Spectrum Analyzer


This firmware is intended to upgrade the AQ6370B to the latest version.

Revision History

Version Release Date Content
R03.04 Jun 9,2016
  • Changed CPU fan status processing.
R03.03 Mar 15,2013
  • Fixed a sporadic malfunction of Zeroing that occurs when the INIT command is received.
R03.02 Jan 13,2012
  • Increased measurement speed
    • Added double-speed sweap mode
  • Enhanced analysis and search functions
    • Additional analysis and search functions
    • Graphical display for EDFA analysis
    • Multi-peak/bottom search function
  • New features to enhance user-friendliness



Please read Software Agreement carefully before downloading.


Version Ver. R03.04
Release Date Jun 9, 2016
File Name 886 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

AQ6370B Optical Spectrum Analyzer

High performance with a 20 picometer wavelength resolution supporting 25 GHz DWDM spacing and 40G/100G applications, this OSA also supports non-Telecom applications with a wavelength range from 600nm to 1700nm.