2009 Lexus GX 470 Navigation Manual - Page 171

AUDIO/VIDEO SYSTEM D DSP control You can change the listening position or turn on/off the surround function and the automatic sound levelizer. 1. Push the "AUDIO" button. D Selecting screen size The video screen can be changed from normal mode to wide mode. 1. Push the "AUDIO" button. 6U5A73L 2. Touch "DSP" to display the DSP control mode screen. 6U5A74L 2. Touch "WIDE". Surround function: Select "ON" of "SURROUND" and touch "OK". The surround function will turn on. Automatic sound levelizer (ASL): When the audio sound becomes difficult to hear due to road noise, wind noise or other noises while driving, touch "ON". The system adjusts to the optimum volume and tone quality according to the noise level. When the system is on, the sound adjustment level is displayed on the screen. Touching "WIDE" displayed on the screen in the video control mode will display the wide mode control screen. "NORMAL": When a 3 4 screen is displayed, the remaining parts will be in black. "WIDE 1": When a 3 4 screen is displayed, the screen will be widened horizontally to fill the display. "WIDE 2": When a 3 4 screen is displayed, the screen will be widened vertically and horizontally, in the same ratio, to fill the display. When a 9 16 screen is displayed, this mode should be selected. When you touch screen returns. , the previous 191