Yes I did, before setting up.

Since I put the 970 in an enclosed cabinet that's pretty difficult to access, I left a serial cable connected to the back for future updates.
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Outlaw 970 * Adcom GFA 7000 * Musical Fidelity X10v3 * Pioneer DV-45A * Cambridge Audio Azur 640 v2 CDP * DirecTV HR-20 * Onix R-DES sub eq * Magnepan MG12/MMGC/SS1 * 2x MartinLogan Grotto subs * Optoma RD50 DLP * Panamax 5500EX * Harmony 1000 remote