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4294A Precision Impedance Analyzer Firmware Upgrade

Firmware Installation Procedure:

1. Download the firmware file to an floppy disk.

2. While pressing [Preset] key of the instrument, turn the instrument power on.

3. Insert the floppy disk into the disk drive.

4. Press 'PREVIEW DISK' softkey. The update disk revision will be displayed.

5. Confirm the displayed "Update Disk Revision" and press Return.

6. Press 'SYSTEM UPDATE' softkey, then 'CONTINUE' to install the firmware from the floppy disk to the instrument. It will take about a few minutes.

7. After "Update Complete" is displayed, press 'REBOOT' softkey to reboot the instrument.

8. Press [System] key, then 'FIRMWARE REVISION' softkey to confirm the current firmware revision. If "POWER ON TEST FAILED" isn't displayed on the LCD and the new firmware revison is correctly displayed, the firmware installation is successfully completed.

Release Date Version Version Description
2003-06-02 1.11 4294A Firmware Upgrade Revision1.11

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • See Above


  • Does Not Require a License

Supporting Documentation


Installs on:



  • No specific prerequisites

Supported Instruments

  • 4294A