User settings on Cisco RNG150N - XFinity

#1
Why can't I change the resolution in User Settings on the Cisco RNG150N set top? I'd like to change HDMI pass thru to 1080i and the 4:3 override to 480i to speed up my husband's channel surfing. He is very unhappy about the channel surfing slowness since the upgrade.

This question, "User settings on Cisco RNG150N," is about XFinity-Comcast TV television equipment.

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