Dell Latitude 9510 Service Manual page 59

Table 3. System Configuration (continued)
Option
USB PowerShare
Audio
Keyboard Illumination
Keyboard Backlight Timeout on AC
Keyboard Backlight Timeout on Battery
Unobtrusive Mode
Description
The following are the security levels:
● No Security(disabled by default)
● User Authentication (enabled by default)
● Secure Connect (disabled by default)
● Display Port and USB Only (disabled by default)
This option enables/disables the USB PowerShare feature
behavior.
The Enable USB PowerShare option is disabled by default.
Allows you to enable or disable the integrated audio controller.
The Enable Audio option is enabled by default.
The options are:
● Enable Microphone (enabled by default)
● Enable Internal Speaker (enabled by default)
This field lets you choose the operating mode of the keyboard
illumination feature.
● Disabled (disabled by default): The Keyboard illumination
will always be off or 0%.
● Dim (disabled by default): Enable the keyboard illumination
feature at 50% brightness.
● Bright (enabled by default): Enable the keyboard
illumination feature at 100% brightness level.
This feature defines the timeout value for the keyboard
backlight when an AC adapter is plugged into the system.
Options are:
● 5 seconds
● 10 seconds (enabled by default)
● 15 seconds
● 30 seconds
● 1 minute
● 5 minutes
● 15 minutes
● Never
This feature defines the timeout value for the keyboard
backlight when the system is running only on battery power.
Options are:
● 5 seconds
● 10 seconds (enabled by default)
● 15 seconds
● 30 seconds
● 1 minute
● 5 minutes
● 15 minutes
● Never
When enabled, pressing Fn+F7 will turn off all light and sound
emissions in the system. Press Fn+Shift+B to resume normal
operation.
The Enable Obtrusive Mode option is disabled by default.
System setup 59