Ah, ok. I never applied any fix for this that I know of, but perhaps it's already in 710? I think this is the screen and option you are referring to:
Edit IR codes
WARNING: the changes will afect all devices created from device template 43FDX01B.
Device Template 43FDX01B, category TVs/Plasmas/LCD's/Projectors and manufacturer Hitachi.
Delays: Power: 7000 miliseconds, Mode: 2000 miliseconds, Other: 0.25 miliseconds [change/explain]
Tuning: Fixed Digits: 2 [] terminate with enter [change/explain]
Power: Toggle [change/explain]
Inputs Toggle: Tuner, Tuner 2, Video 1, Video 2, Video 3 [change/explain]
DSP Modes Discrete: [change/explain]
<snip>
Or is there something else that a fix would add?