Bottom View; Hot Key Definition - Dell Precision 7740 Setup And Specifications Manual

Bottom view

1. Service tag label
2. Battery door release latch
3. Battery door

Hot key definition

Table 2. Keyboard shortcut keys
Hot keys
Fn+ESC - Fn Lock
Fn+F1 - Audio Volume Mute
Fn+F2 – Audio Volume Down/Decrease
Fn+F3 – Audio Volume Up/Increase
Fn+F4 – Microphone Mute
Fn+F6—Scroll lock
Fn+F8 – LCD and Projector display
Fn+F9 – Search
Fn+F10 – KB Illumination/Backlight
10 Chassis
Function
Allows the user to toggle between locked and unlocked Fn keys.
Temporarily mutes/unmutes the audio. The audio level before
muting is returned after unmuting.
Decreases the audio volume until minimum/off is reached.
Increases the audio volume until maximum is reached.
Silences the on-board microphone so it cannot record audio. There
is an LED on the F4 function key that notifies the user of the state
of this feature:
• LED off = microphone capable of recording audio
• LED on = microphone muted and unable to record audio
Used as Scroll Lock key.
Determines video output to LCD and external Video devices when
attached and displays present.
Mimics the Windows key + F keystroke to open Windows Search
dialog box.
Determines the Keyboard Illumination/Backlight brightness level.
The hot key cycles through the following brightness states when