Biostar B550GTA, Manual

Page: 28 / 140

28 | Chapter 3: UEFI BIOS & Software
SmartEAR
Smart EAR allows you to control system volume and adjust impedance setting (Low/High
Gain) to optimize your headphone performance. You can easily enjoy high-quality and
awesome sound.
Requirements:
1. A chassis with front audio output jacks
2. An earphone or a headphone
3. Windows 7 (32/64bit)/ 8.1(64bit)/ 10(64bit) operation system
Installation Guide:
1. Make sure the front audio cable of the chassis connected to the front audio header of the
motherboard properly.
2. Install the RACING GT EVO program from the driver DVD.
3. Connect the earphone or headphone to the front audio jack of the chassis or audio lineout
port of rear I/Os.
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If you want to use an AC’97 front audio output cable, please disable the “Front Panel Jack
Detection” setting. This setting can be found via O.S. Audio Utility.
1. Volume Control Knob: The volume can be finely adjusted by turning the knob either
clockwise or anti-clockwise to increase or decrease system volume accordingly.
2. Mute: To disable system sound.
3. High/Low Gain Switch: Keep the gain switch to low for low impedance headphone and set
to high for high impedance headphone.