8 Tips and assistance
85
8.3. Updating the instrument software
Under www.testo.com/download-center you can download the
current instrument software (Firmware) for testo 330 (registration
required).
> Unplug the mains unit and switch off the testo 330.
1. Hold [▲] depressed.
2. Plug in the mains unit, keep [▲] depressed.
- The display shows Firmware update along the bottom edge.
3. Release [▲] .
4. Insert the connecting cable (0449 0047) into the USB-port on
the instrument, then connect it to the PC.
- Your PC recognizes the testo 330 as a removable medium.
5. Copy the new file (ap330rel.bin) to the detected removable
medium.
- In the display the status bar progresses from left to right. This
process may take a few minutes.
6. Disconnect the connecting cable from the testo 330.
- After updating of the instrument software (Firmware) has been
completed the system will automatically reboot and is ready for
use.
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