# Reversionary Panel

![](https://cdn.document360.io/417c2d4d-fdb8-4d4d-b11d-011fe445d776/Images/Documentation/reversionary-panel-image-bw7qkjlg.png)

### DISPLAY SELECTOR KNOB <a href="#toc118376508" id="toc118376508"></a>

<mark style="color:red;">**PFD:**</mark> <mark style="color:red;"></mark><mark style="color:red;">Displays PFD information in the associated MFD.</mark>

<mark style="color:red;">**AUTO:**</mark> <mark style="color:red;"></mark><mark style="color:red;">Automatically reverts the MFD in case of display failure.</mark> ![](https://cdn.document360.io/417c2d4d-fdb8-4d4d-b11d-011fe445d776/Images/Documentation/reversionary-panel-image-4qasw9a1.png)

<mark style="color:red;">**MFD:**</mark> <mark style="color:red;"></mark><mark style="color:red;">Displays MFD information in the associated MFD</mark>

<mark style="color:red;">**EICAS:**</mark> <mark style="color:red;"></mark><mark style="color:red;">Displays EICAS information in the associated MFD.</mark>

![](https://cdn.document360.io/417c2d4d-fdb8-4d4d-b11d-011fe445d776/Images/Documentation/reversionary-panel-image-hcmhu4hu.png)

### ADS SENSOR BUTTON (Momentary action) <a href="#toc118376509" id="toc118376509"></a>

<mark style="color:red;">Reverts the ADS source.</mark> ![Ein Bild, das Tisch enthält.  Automatisch generierte Beschreibung](https://cdn.document360.io/417c2d4d-fdb8-4d4d-b11d-011fe445d776/Images/Documentation/reversionary-panel-image-x0ylhwof.png)

<mark style="color:red;">When the ADS source reversion is selected, a white striped bar illuminates on the button. Associated ADS source flag is displayed on the PFD after a reversion takes place.</mark>

### IRS SENSOR BUTTON <a href="#toc118376510" id="toc118376510"></a>

<mark style="color:red;">Reverts the IRS source. When IRS source reversion is selected, a white striped bar illuminates on the button. Associated IRS source flag is displayed on the PFD after a reversion takes place.</mark>