last scan issue

[piplan1966]

Hi
My box vu is zero,
After pressing the OK button, the channel list is shown.
Then press the green button
1=FAV list
2= ​​Last scan is shown,
When I rescan 13 East and then tune to a satellite, the 13 East New Scan channel list disappears.
And the old channel list is a show that has been running since day one,
What should I do so that the new scan of 13 East does not disappear?
Any reply would be appreciated thanks,

STB:octagon sx88 4k
STB:vu+zero
DISH:8FT/4FT/2FT

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