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TT128x High Definition Professional Receiver/Decoder
12
3.4 Navigating the Menus
Operating the IRD from the Front Panel is via two operating modes:
Navigate Mode and Edit Mode.
3.4.1 Navigate Mode
Navigate mode allows the user to move between menus and pages
within menus (editing the left display area).
Table 3.1: Navigate Mode
Action Result
Up Pushbutton Pressed Go to page given by uplink of current page,
obtain and display current data.
Down Pushbutton Pressed Go to page given by down link of current page,
obtain and display current data.
Left Pushbutton Pressed
Go to page given by left link of current page,
obtain and display current data.
Right Pushbutton Pressed
Go to page given by right link of current page,
obtain and display current data.
Edit Pushbutton Pressed Enter Edit mode at current page (if permitted
else no effect).
Save Pushbutton Pressed No effect.
Pushbutton LEDs will be updated to indicate which pushbutton presses
are still valid as each navigation pushbutton press event is processed.
For example, a lit Up pushbutton LED indicates there are pages above
the current one.
3.4.2 Edit Mode
Edit mode edits the right display area and allows the user to alter
control parameters that define the IRD behaviour. To enter Edit mode
press the Edit pushbutton when on a page containing an editable
control parameter and the front panel is the controlling user interface.
Edit may be entered on some special pages at all times, for example on
the page defining the controlling user interface.
The Front Panel returns to Navigate mode when Edit is pressed again
(abort edit with no save) or when Save is pressed (save modified
parameter values).