Short and sweet instructions:
For the main screen,
Left button - go left one screen
Right button - go right one screen
Long-press left - go left to next screen group
- if at any trip value display, goes to system clock
- if at system clock, goes to tank time-to-empty large number screen
- if at tank TTE large number screen, goes to bargraph
- if at bargraph, goes to system information
- if at system information, goes to tank average fuel economy large number screen
- if at any fuel economy large number screen, goes to last (of 8) trip value display screen
Long-press right - go right to next screen group
- if at any trip value display, goes to instant fuel economy large number screen
- if at any fuel economy large number screen, goes to system information
- if at system information, goes to bargraph
- if at bargraph, goes to tank TTE large number screen
- if at tank TTE large number screen, goes to system clock
- if at system clock, goes to first (of 8) trip value display screen
Short-press left and right -
- if at system clock, goes to System Clock set mode
- if at any other screen, goes to Stored Settings Editor
Long-press left and right -
- if at a trip value display screen, goes to Trip Screen Editor
- if at any other screen, displays "FAIL" for 2 seconds
Short-press left and center - Goes to Trip Save mode, centering on Tank Trip save
Short-press right and center - Goes to Trip Save mode, centering on Current Trip save
Long-press left and center - Resets Tank Trip
Long-press right and center - Resets Current Trip
Short-press Center - cycles through Brightness
Long-press Center - displays CPU loading for selected screen, for 2 seconds
Other screen modes use the following rules (or are supposed to, anyway):
Short-press left - cursor or screen left
Short-press right - cursor or screen right
Short-press center - change digit or trip slot
Long-press center -
- in Trip Save mode, performs selected action
- In all other modes, save value being edited
Short-press left and right - go back one mode
Long-press left or right - Revert edited setting back to saved, or go back one mode