Rigel Medical's free guide to IEC 60601

We've updated our practical guide to the IEC 60601 Standard

Find out more

How do you upgrade the firmware on the Uni-Therm?

The Rigel Uni-Therm is designed to allow service agents and users to easily upgrade the firmware by using the internet to download the latest firmware. The firmware can then be installed using a USB stick.

The required upgrade firmware can be found on the rigelmedical.com website.

Note: When downloading firmware from the Rigel medical website, the downloaded file is a self-extracting .exe which will produce the required file.

Equipment required:

- Uni-Therm(or Rigel 377+)

- Uni-Therm Manual

- USBmemory stick.

- Uni-Therm (unitherm_firmware_update_AXX.tar.bz2

- OR Rigel 377+ (esa377plus_firmware_update_AXX.tar.bz2

Note: XX is any number which varies with each new release.

1) Refer to the user manual to identify the F1 and F2 function keys.

2) Copy the firmware onto a USB stick in the correct file format (tar.bz2).

3) Press and hold F1 for 15 seconds, while switching on the Rigel Uni-Therm/377 +.

4) Follow on screen instructions, Press F2.

5) Insert the USB memory stick containing a single copy of the firmware upgrade into the Rigel Uni-Therm/377 + USB port.

6) Press F1; wait while the firmware is updated.

7) Rigel Uni-Therm/377 + will then show the message:

Update complete, restart the system or press F1 to return to the main screen

8) Switch off Rigel Uni-Therm/377 +

9) Remove USB memory stick

10) Restart the Uni-Therm(or Rigel 377+) in normal mode

Note: To obtain the latest firmware, the Rigel Uni-Therm will need to be registered. This will also provide automatic upgrade alerts to theuser.


Still need help? Ask us.

Stay in the know
Sign up to our mailing list today to stay up to date with the latest industry news and information from Rigel.

I'd like to talk to a sales advisor

Our team of sales advisors are on hand to help you with any queries you have about our products.