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Software Update: Option 604 for the Cobham (Aeroflex) 3920B


An update to the 3920B Option 604 APX™/APX 8000 software (Version 4.3.3) is now available from Cobham.

This is an important update for 3920B owners that use this feature. This update contains a modification to the PA Bias Alignment on APX models 2500 and 4500.

Customers that are using this application are urged to update to this new version as soon as possible. Until the software is updated to Version 4.3.3, owners should not run the PA Bias alignment on APX models 2500 and 4500.

The software is available to download from the Cobham website.