Humax XD-400 User Manual - Page 32

You can enlarge the screen. Each time you press the ZOOM button, the magnification increases in the following sequence: 200%, 300%, 400%. You can set the display format. Each time you press the WIDE button, the display format changes. Note: For more information about display format, refer to 10.2.3 A/V Output Setting. You can set the automatic turn off time. Press the SLEEP button while watching a programme to set the sleep time. Each time you press the SLEEP button, the sleep time changes in the following sequence: 10, 20, 30, 60, 90, 120 minutes.