![](/images/new-backgrounds/1197593/19759371x1.webp)
Basic handset operation
Displaying additional features
To display additional features | During a call, press FCN to display |
| additional features that are customized for |
| your facility. |
Turning on the backlight
To turn on the backlight | The backlight illuminates when any key is |
| pressed or when there is an incoming call, |
| and stays on for 10 seconds. If another key is |
| not pressed within 10 seconds, the backlight |
| automatically turns off. |
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