> For the complete documentation index, see [llms.txt](https://docs.flightsim-studio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flightsim-studio.com/e-jet-series/systems-guide/main-panel/multifunction-display-mfd/systems-ecs.md).

# SYSTEMS/ECS

### AIR SHUTOFF VALVES STATUS

* Shown as a circle and an internal line representing the valve position.

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### PACK STATUS

* **Green:** on
* **White:** off
* **Amber Dashed:** undetermined
* **Amber Dashed covered by an amber cross:** failed

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### RECIRCULATION FAN STATUS

* Shown as a circle and an internal windmill, representing the fan status.

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### COCKPIT/CABIN TEMPERATURE INDICATION

* Digital information displays selectable and actual temperature for the cockpit, forward cabin, and aft cabin.
* Green: actual temperature indication, Cyan: set temperature indication.

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### OUTFLOW VALVE (OFV) POSITION INDICATION

* Pointer indicates the actual OFV position.

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### MANIFOLD PRESSURE INDICATION

* Digital pressure

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### FLOW LINE

* **Green:** air flow
* **White:** no air flow
* **White/Amber Dashed:** invalid information
* **Amber:** overheat

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### GROUND CART

* Ground cart connection is displayed only when it is connected to the aircraft.