[. . . ] To prevent fire or shock hazard, do not expose the unit to rain or moisture. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. [. . . ] When the projector is turned on, the Startup screen is projected (VPL-CX6 only). Depending on the type of your computer, for example a notebook, or an all-inone LCD type, you may have to switch the computer to output to the projector by pressing certain keys (e. If "Auto Input Search" is set to "On, " the projector searches for the signals from the connected equipment and displays the input channel where the input signals are found. To adjust the position of the picture using the Remote Commander, press the KEYSTONE key (VPL-CS6/CX6) or the D KEYSTONE key (VPL-EX1) on the Remote Commander to display the Tilt menu and adjust the tilt using the M/m/</, keys. For details on the TILT adjustment key, see "How to use the powered tilt adjuster" on page 11. When you adjust the powered tilt adjuster with the TILT key, the automatic keystone adjustment is performed at the same time. If you do not want to perform the automatic keystone adjustment, set the V Keystone menu to "Manual. The auto V keystone adjustment may not correct the trapezoidal distortion perfectly, depending on the room temperature or the screen angle. Press the KEYSTONE key (VPL-CS6/CX6) or the D KEYSTONE key (VPL-EX1) on the Remote Commander until "V Keystone" appears on the screen, and adjust the value with the M/m/</, key. To switch from the Intelligent Auto-setup function to manual adjustments You can switch the following functions of the Intelligent Auto-setup to manual adjustments using the menu. To mute the picture temporarily (VPL-CS6/CX6 only) Press the PIC MUTING key on the Remote Commander. To control the computer using the supplied Remote Commander When you connect an IBM PC/AT compatible computer to the projector by using the USB cable, you can control the mouse of the computer using the Remote Commander. Key and joystick R CLICK (front) L CLICK (rear) Joystick Function Right button Left button Corresponds with the movements of the mouse Make sure that nothing obstructs the infrared beam between the Remote Commander and the remote control detector on the projector. Press the MENU key and then, in the INSTALL SETTING menu, turn on the "Security Lock" setting. Use the MENU, M/m/</, , and ENTER keys to enter the four-digit password. (The default initial password setting is "ENTER , ENTER , ENTER , ENTER". Therefore when you use this function for the first time, please input "ENTER" four times. (Enter the password at this screen even if you want to keep the current password. The screen for entering the password is displayed when the power is turned on the next time. You will not be able to use the projector if you forget your password and the password administrator is not available. Be please aware that using the security lock can prevent valid usage in such cases. If you fail to enter the correct password after three tries, the projector cannot be used. [. . . ] You have input RGB signal from the computer when "Input-A Signal Sel. Use the list below to check the meaning of the messages displayed on the screen. Before performing the following procedure, try to diagnose the problem using the instructions described in "Troubleshooting" (page 44). If the problem persists, read and following procedure thoroughly and then proceed. [. . . ]