DL7440/DL7480 Digital Oscilloscopes


This firmware is intended to upgrade the DL7440/DL7480 to the latest version.


Please read installation procedures throughout before performing the installation.
Each zip file contains firmware program file and an installation procedure.
Please use the dedicated USB Driver included in the zip file when the installation is executed via USB interface. .

Revision History

Version Release Date Content
2.57 Jun 22,2009
  • Support for the new logic probes(model: 701988 and 701989).
2.55 Aug 22,2008
  • Improvement of "MEASure" communication command.
2.52 Oct 31,2007
  • Improvement of calibration errors when self-calibration is implemented several or more times continuously.
2.47 Sep 1,2006
  • Support for ESC-PR printing command.
  • Support for several new functions for FlexRay Signal Analyzer(/F9)

Previous version 



Please read Software Agreement carefully before downloading.


Version 2.57
Release Date Jun 22, 2009
File Name (for ZIP/PC card)
4.0 MB


(for floppy disc)
4.0 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.
  • 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.

Downloading of the software indicates acceptance of the software agreement.

Related Products & Solutions

DL7440/DL7480 Digital Oscilloscopes

8-channel 500 MHz oscilloscope with 16 logic inputs, for applications where four channels aren't enough.  Support for eight analog channels, 16 bits with 250MHz logic bandwidth, 16MP of recording memory, power analysis, serial bus analysis, and a broad selection of voltage and current probes.