[. . . ] Congratulations on your purchase of PHILIPS Multi-video input A/V switcher. [. . . ] By default, the AV switcher selects input-1 when switching from automatic mode to manual mode. To select a desired input simply press the SELECT button and the AV switcher changes inputs from Input-1 to Input- 2 and IN2 LED will be lit. press the SELECT button again , Input-3 will be selected and IN3 LED will be lit. Pressing the SELECT button again will select next input which is Input-4 and IN4 LED will be lit. For Example: If a user selected video inputs in this sequence IN1 IN2 IN3 IN4, at this time, the video output will be from IN4 (front Input). If there is no video signal for IN4 input, the unit automatically switches to next previous input source. If the user selects video input in this sequence: IN1 IN3 IN4 IN2, at this time, the video output will be IN2. If there is no video signal for IN2 input, the unit will switch to next previous video input source (in this case, it will be IN4). [. . . ] Specifications are subject to change without notice Trademarks are property of Philips Accessories and Computer Peripherals 2006© Philips Accessories and Computer Peripherals, Ledgewood, NJ USA www. [. . . ]