- ページ 10

ノートパソコン Dell Precision 7540のPDF セットアップおよび仕様マニュアルをオンラインで閲覧またはダウンロードできます。Dell Precision 7540 43 ページ。

Bottom view

1. Service tag label

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

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

pressed: Disabled, Dim, Bright. For more detail, see Keyboard

Illumination/Backlight section.