Asus Xonar HDAV 1.3 - Manual (Page 65)

5 ASUS Xonar HDAV .3
6.11.4 Game Mode
Your system must have the following two items installed before using Game
Mode:
. ASUS graphics card
2. ASUS GamerOSD utility.
To enable the Game Mode, click the corresponding ON/OFF button. The button
displays OFF when Game Mode is on. Select desired settings from the two default
color-enhanced settings: FPS Games (First Personal Shooting Game) and RPG
(Role-Playing Game) /RTS Games (Real-Time Strategy Game).
You can customize two more settings based on your needs. Follow the instructions
in the
Photo Mode section on how to create customized settings.