Gday Peter
The LT6 uses a 497 style handbox, and to change speed,
as noted, you merely press one of the 1..8 buttons directly.
There will be some screens where this wont work
( as the buttons get remapped for data entry etc )
but in all the menus, it should work that way.
What "Type" of handbox do you have
and what firmware version is loaded.
( The firmware version can be seen when the hbx boots,
or it is also under the found in the "Setup > Statistics" menu )
Andrew
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