Send us your DCA55 for a firmware update.
Your DCA55 will be updated to the latest version applicable to your hardware (AAA versions to 4.1, GP23 versions to 3.0).
If you are sending your unit to us from outside the UK, it is vital that the package is clearly marked with:
"Inward processing relief - Temporary Export - Item returning to factory for service."
Our address is:
Peak Electronic Design Ltd
Atlas House, 2 Kiln Lane
Harpur Hill Business Park
SK17 9JL, UK
We can normally complete work within 24 hours of receiving your instrument. Please include your order details with your instrument.