User's Manual

Stealth Mode Setup
The Duo-Touch has stealth mode capability so it can be used in an environment where sound and light could be
dangerous to the user.
If stealth mode is set to “Disabled", the LEDs, Fan, system beeps, audio, and display brightness operate normally. If
stealth mode is enabled, you can individually set LEDs, Fan, system beeps, audio and display brightness to "on" or
"off".
Field Setting Function
Serial Port2 Address
Disabled
Enabled
Allows BIOS to Select Serial Port2
Base Addresses.
Option Stealth Mode Function
Disabled
Stealth Mode Function Enabled
On Off
LEDs
LEDs function as normal LEDs function as normal LEDs are disabled
Fan
Fan functions as normal Fan functions as normal Fan is disabled. Heat
management is controlled
solely through throttling
System
Beeps
Beeps are heard during POST Beeps are heard during POST System beeper is disabled
during boot up and resume
Audio
Preserved across
suspend/resume and boot. The
default volume level is set to
mid range
Preserved across
suspend/resume and boot. The
default volume level is set to
mid range
Volume is set to 0 across
suspend/resume and boot. Use
existing
audio function keys
(or existing software utility
such as the
speaker icon in the
system tray) to restore volume
Display
Backlight
Brightness
Preserved across
suspend/resume and boot.
Brightness is restored to
default when brightness level
is set at 0. The default level is
Preserved across
suspend/resume and boot.
Brightness is restored to
default when brightness level
is set at 0. The default level is
Backlight Brightness is set to 0
across suspend/resume and
boot. Use to restore the
backlight brightness setting to
the value it was at before
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