User manual OPTOMA GT760

[. . . ] 41 1 English Usage Notice Safety Information The lightning flash with arrow head within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. Class B emissions limits This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. To ensure reliable operation of the projector and to protect from over heating, it is recommended to install the projector in a location that does not block ventilation. [. . . ] English 40 User Controls SETUP | Security Security  On: Choose “On” to use security verification when the turning on the projector. π Off: Choose “Off” to be able to switch on the projector without password verification. security Timer  Password default value is “1234” (first time). Use this function to set the how long (Month/Day/Hour) the projector can be used. Once this time has elapsed you will be requested to enter your password again. Use number button on the remote to enter your new password and then press “ ” key to confirm your password. Use number button to enter current password and then press “ ” to confirm. Enter new password (4 digits in length) using the number buttons on the remote, then press “ ” to confirm. Enter new password again and press “ ” to confirm. 41 English User Controls  If the incorrect password is entered 3 times, the projector will automatically shut down. π If you have forgotten your password, please contact your local English 42 User Controls SETUP | Audio Settings Internal Speaker (*)  For Type B (*) model only. Choose the “On” or “Off” to turn on or off the internal speaker. Mute  Choose the “On” to turn mute on. π Choose the “Off” to turn mute off. Audio Input (*) The default audio settings are on the back panel of the projector. Use this option to reassign any of the Audio Inputs (1 or 2) to the current image source. Each Audio input can be assigned to more than one video source. Volume Adjust the volume from “Audio”, “MIC” connector. (*)  Press the  Press the to decrease the volume. If changes are made they will take effect the next time the projector is powered on. Closed Captioning Use this function to set the desired startup screen. If changes are made they will take effect the next time the projector is powered on. [. . . ] To prevent damage to your projector, please use the Optoma ceiling mount. If you wish to use a third party ceiling mount kit, please ensure the screws used to attach a mount to the projector meet the following specifications:  Please note that damage resulting from incorrect installation will void the warranty. π Screw type: M4*3  Maximum screw length: 11mm  Minimum screw length: 8mm 220. If you buy a ceiling mount from another company, please be sure to use the correct screw size. [. . . ]