# SYSTEMS/ECS

### AIR SHUTOFF VALVES STATUS <a href="#air-shutoff-valves-status" id="air-shutoff-valves-status"></a>

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

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### PACK STATUS <a href="#pack-status" id="pack-status"></a>

* **Green:** on
* **White:** off
* <mark style="color:red;">**Amber Dashed:**</mark> <mark style="color:red;"></mark><mark style="color:red;">undetermined</mark>
* <mark style="color:red;">**Amber Dashed covered by an amber cross:**</mark> <mark style="color:red;"></mark><mark style="color:red;">failed</mark>

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### RECIRCULATION FAN STATUS <a href="#recirculation-fan-status" id="recirculation-fan-status"></a>

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

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### COCKPIT/CABIN TEMPERATURE INDICATION <a href="#cockpitcabin-temperature-indication" id="cockpitcabin-temperature-indication"></a>

* 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 <a href="#outflow-valve-ofv-position-indication" id="outflow-valve-ofv-position-indication"></a>

* Pointer indicates the actual OFV position.

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### MANIFOLD PRESSURE INDICATION <a href="#manifold-pressure-indication" id="manifold-pressure-indication"></a>

* Digital pressure

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### FLOW LINE <a href="#flow-line" id="flow-line"></a>

* **Green:** air flow
* **White:** no air flow
* <mark style="color:red;">**White/Amber Dashed:**</mark> <mark style="color:red;"></mark><mark style="color:red;">invalid information</mark>
* <mark style="color:red;">**Amber:**</mark> <mark style="color:red;"></mark><mark style="color:red;">overheat</mark>

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### GROUND CART <a href="#ground-cart" id="ground-cart"></a>

* <mark style="color:red;">Ground cart connection is displayed only when it is connected to the aircraft.</mark>