I too have experienced very slow responses from my Humax fvp-5000t . Some months ago I wrote to Humax Customer Support expressing my frustration at this slowness and also the need to keep deleting cookies every couple of days in order to restore the Catchup Players icons from the top menu and the disappearing backwards program guide. (EPG)
Their ludicrous reply (after several weeks!) was to suggest I change the remote control channel by pressing “0” and “OK” together for 8-10 seconds and selecting a new number between 1 and 6 on the screen. This apparently would avoid a conflict with any other Humax device I may have! (I don’t!) Needless to say, this procedure achieved absolutely nothing. And there was no mention of the deleting cookies problem.
HOWEVER! I may have found an answer to the performance issues!
Out of frustration, I went through every single setting in the Settings Menu to see if there was anything I might have missed that was causing the problem. And completely randomly, I discovered this:-
Press the red and white Freeview button.
Go to Settings,
Genera Settings,
Video,
SD Output
then select Always On
(There is a yellow text tip at the bottom if it’s set to Always On with HDMI and RCA cables connected at the same time, then only Standard Definition is provided. But as I only have an HDMI cable, this doesn’t apply)
I have absolutely NO IDEA why this setting should have an impact on the fvt-5000t speed performance but ever since the menus noticeably much faster. Not perfect, but a lot better then before.
Try it yourselves!