Operation

Operation

For full screen layouts, field tables, and DTC decoding see Screen Reference.

Buttons

Button	Action
LEFT / RIGHT	Previous / next menu
UP / DOWN	Previous / next screen within the current menu
SELECT (MID)	Context action (varies per screen)

UP/DOWN auto-repeat after ~400 ms, then every ~120 ms.

Menu order

Cockpit  ←→  Experimental  ←→  Debug  ←→  DTC  ←→  Settings

Experimental and Debug only appear in uno_debug builds.

Cockpit screens

0x17 Instruments cluster — 4 screens

Screen	Content
0	Main dashboard: speed, RPM, oil temp, coolant, fuel level, ambient
1	Second dashboard: speed, oil/coolant temps, km remaining, L/100km, fuel level, oil level %
2	Bar gauges: coolant °C, oil temp °C, oil level %, fuel L
3	Warning summary: lists all active warnings, or ALL OK

0x01 Engine ECU — 7 screens

Screen	Content
0	Main dashboard: speed, RPM, coolant, load, throttle, voltage, lambda, intake air
1	OBD readiness bits (PASS/FAIL, polled every ~2 min)
2	Basic-setting requirement bits (Y/N)
3	Engine diagnostics: voltage, coolant, intake air, load, manifold pressure, lambda ×2
4	Trip computer: L/100km, L/hr, km remaining, fuel burned
5	Bar gauges: coolant °C, engine load %, lambda %, battery V
6	Warning summary: lists all active warnings, or ALL OK

Other addresses show "no data" in Cockpit — use the Experimental menu to browse raw groups.

DTC menu

Cursor menu (UP/DOWN to move, SELECT to execute): Read → Clear → Show. Show opens a 4-DTCs-per-page list; UP/DOWN pages, SELECT returns.

Settings menu

Cursor menu: Exit · KWP: (cycles ACK → Grp → Sensor) · AutoRcn: (Y/N) · Fuel: (0x17 only — saves fuel level to EEPROM for 0x01 trip computer range).