User manual HITACHI CP-X251

[. . . ] Projector CP-X251 User's Manual ­ Operating Guide Thank you for purchasing this projector. WARNING Before using this product, please read the "User's Manual Safety Guide" and related manuals to ensure the proper use of this product. After reading them, store them in a safe place for future reference. About this manual Various symbols are used in this manual. WARNING This symbol indicates information that, if ignored, could possibly result in personal injury or even death due to incorrect handling. [. . . ] · In the SYNC ON G mode, the picture may be distorted with certain input signals. In such a case, remove the signal connector so that no signal is received and turn SYNC ON G off, and then reconnect the signal. COMPONENT VIDEO FORMAT FRAME LOCK RGB IN 33 INPUT Menu INPUT Menu (continued) Item Description The resolution for the RGB and RGB input signals can be set on this projector. (1) In the INPUT menu select RESOLUTION using the / buttons and press the button. () In the RESOLUTION menu select the resolution you wish to display using the / buttons. (3) Pressing the or Enter button when selecting a STANDARD resolution will automatically adjust the horizontal and vertical positions, clock phase and horizontal size and automatically select an aspect ratio. The INFORMATION dialog (43) will be displayed. RESOLUTION MENU INFORMATION RGB 80x 768@ 60 RESOLUTION *2 (4) To set a custom resolution use the / buttons to select CUSTOM and the CUSTOM RESOLUTION BOX will be displayed. Set the horizontal (HORZ) and vertical (VERT) resolutions using the /// buttons. * (5) To save the setting place the cursor on the right-most digit and press the button. The horizontal and vertical positions, clock phase and horizontal size will be automatically adjusted and an aspect ratio will be automatically selected. After the INFORMATION(43) dialog has displayed for about 0 seconds the screen will return to the RESOLUTION menu displaying the changed resolution. CUSTOM RESOLUTION BOX INFORMATION RGB 99x 744@ 60 (6) To revert back to the previous resolution without saving changes place the cursor on the left-most digit and press the button. The screen will then return to the RESOLUTION menu displaying the previous resolution. * For some pictures, this function may not work well. 34 SETUP Menu SETUP Menu With the SETUP menu, the items shown in the table below can be performed. Select an item using the cursor buttons / on the projector or remote control, and press the cursor button on the projector or remote control, or the ENTER button on the remote control to execute the item. Then perform it referring to the following table. Item Description Selecting this item performs the Automatic keystone distortion correction. Projector automatically corrects vertical keystone distortion due to the (forward/backward) setup angle by itself. · This function will be executed only once when selected in the Menu. When the slant of the projector is changed, executes this function again. · When V:INVERT or H&V:INVERT is selected to the MIRROR item in the SETUP menu, if the projector screen is inclined or angled downward, this function may not work correctly. · When the zoom adjustment is set to the TELE (telephoto focus), this correction may be excessive. This function should be used when the zoom adjustment is set to the WIDE (wide-angle focus) whenever possible. · When vertical degree is almost 0 degree, the automatic keystone distortion correction may not work. · When vertical degree is over ±30 degree, the automatic keystone distortion correction may not work well. · This function will be unavailable when Transition Detector is on (48). [. . . ] After the projector has sufficiently cooled down, please make confirmation of the attachment state of the lamp and lamp cover, and then turn the power on again. 57 Troubleshooting Phenomena that may be easy to be mistaken for machine defects WARNING Never use the projector if abnormal operations such as smoke, strange odor, excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter, etc. In such cases, immediately turn off the power switch and then disconnect the power plug from the power outlet. After making sure that the smoke or odor has stopped, contact your dealer or service company. If the situation cannot be corrected, The projector's microprocessor may need to be reset. [. . . ]