Originally Posted by release note
DSP5200 RJ45 Product Firmware Release 1.40 (2011-10-31)
Software Fixes - Useful - May be useful to upgrade but not essential
Aux legend becomes SLS and VCR3 legend becomes Aux
Aux/SLS source defaults to 4C comms type

So, nothing about SQ to warrant the update.

Rgds,
Nick