Dell Latitude 7390 2-in-1 Owner's Manual page 50

Option Description
Dell Type-C Dock
This section allows connection to the Dell WD and TB family of docks (Typr-C docks) independent of USB and
Configuration
Thunderbolt Adapter configuration settings.
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Thunderbolt Adapter
This section allows Thunderbolt Adapter Configuration.
Configuration
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USB PowerShare This field configures the USB PowerShare feature behavior. This option allows you to charge external devices using
the stored system battery power through the USB PowerShare port. This option is disabled by default
Audio This field enables or disables the integrated audio controller. By default, the Enable Audio option is selected. The
options are:
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Keyboard This field lets you choose the operating mode of the keyboard illumination feature. The keyboard brightness level
Illumination can be set from 0% to 100%. The options are:
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Keyboard Backlight The Keyboard Backlight Timeout dims out with AC option. The main keyboard illumination feature is not affected.
Timeout on AC Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the
backlight is enabled. The options are:
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50 System setup
NOTE: If the Fastboot option is set to "Minimal", the "Enable USB Boot support " setting is ignored and
the system will not boot from any Pre-boot USB devices.
NOTE: A USB Keyboard and/or mouse connected to the platform's USB ports will continue to function
within BIOS Setup if the "Enable External USB Port" option is disabled.
Always Allow Dell Docks is disabled
Enable Thunderbolt Technology Support—is enabled by default
Enable Thunderbolt Adapter Boot Support—is disabled
Enable Thunderbolt Adapter Pre-boot Modules—is disabled
Enable Thunderbolt (and PCIE behind TBT) Preboot
Security level-No security—is disabled
Security level-User configuration—enabled by default
Security level-Secure connect—is disabled
Security level- Display port only—is disabled
Enable Microphone—enabled by default
Enable Internal Speaker—enabled by default
Disabled
Dim
Bright—enabled by default
5 sec
10 sec—enabled by default
15 sec
30 sec
1 min
5 min
15 min
Never