Dell Latitude 3400 Setup and specifications guide - Page 13
Toggle Wireless On/Off, Fn + PrtScr
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Keys Fn + F9 Fn + F10 Fn + F11 Fn + F12 Fn + PrtScr Fn + Ctrl Description Search Toggle keyboard back light. Decrease brightness Increase brightness Toggle Wireless On/Off Open application Chassis overview 13
![](/manual_guide/products/dell-latitude-3400-setup-specifications-guide-22f7e0b/13.png)
Keys
Description
Fn + F9
Search
Fn + F10
Toggle keyboard back light.
Fn + F11
Decrease brightness
Fn + F12
Increase brightness
Fn + PrtScr
Toggle Wireless On/Off
Fn + Ctrl
Open application
Chassis overview
13