AQ6370C Optical Spectrum Analyzer


This firmware is intended to upgrade the AQ6370C to the latest version.

Revision History

Version Release Date Content
R04.06 Feb 14, 2020
  • Fixed a rare startup problem when using the PRESET WORD function
R04.05 May 31, 2019
  • Improved the speed of VXI-11 communication
  • Enhanced NF analysis
    (added power integration function for modulated light spectrum)
  • Improved operation of the SYSTEM LOG screen
R04.04 Jun 12,2018
  • Improved SEGMENT MEAUSRE function during swicth mode
  • Improved remote command performance
R04.03 Jun 12,2018
  • Improved noise calculation process in the WDM analysis
  • Improved gate mode performance during pulse light measurement

Previous version 



Please read Software Agreement carefully before downloading.


Version R04.06
Release Date Feb 14, 2020
File Name 1.25 MB


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 Electric 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.
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