User manual HITACHI ED-X8255F

[. . . ] Projector ED-X8255 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. The meanings of these symbols are described below. [. . . ] When the indicators or a message prompts you to clean the air filter, clean the air filter as soon as possible. Please check and clean the air filter periodically, even if there is no message. Please replace the air filter when it is damaged or too soiled. Preparation of a new air filter is recommended. To prepare a new air filter, contact your dealer and tell the air filter type number. Type number = NJ22222 And also when you replace the lamp, please replace the air filter. An air filter of specified type will come together with a replacement lamp for this projector. Turn the projector the lampunplug the at power cord. Allow to cool for Handle Filter cover 2. When the projector is suspended from the ceiling, apply the vacuum cleaner to and around the filter cover first, to prevent penetration of dust or the like. While supporting the projector with one hand, use your other hand to pull the filter cover forward in the direction of the arrow. Remove the air filter. 45 Maintenance Air filtre (continued) Apply a vacuum cleaner to the air filter and the filter cover. Please replace the air filter when it is damaged or too soiled. Replace the air filter in its original position. Secure the air filter in place by pressing each of the six locations. Make sure there is no dust or dirt remaining after the cover is in place. If any Air filter's dust or dirt remains use a vacuum cleaner knob to remove it as when placing the filter cover on the air filter. Reattach the filter cover to the projector by aligning the filter cover with the grooves on the projector. While holding the handle, mark Air filter push down on the filter cover until it locks Filter cover firmly in place. Turn the projector on and reset the filter time using the FILTER TIME function in the OPTION menu (38). (1) Press the MENU button to display a menu. When the EASY MENU has appeared, please skip the next step (2). [. . . ] Increasing the projector setting value (Increment command) (1) The computer sends the increment code Header + Command data (`04H'+ `00H'+ type (2 bytes) +`00H'+`00H') to the projector. (2) The projector in creases the setting value on the above setting code. (3) The projector returns the response code `06H' to the computer. Decreasing the projector setting value (Decrement command) (1) The computer sends the decrement code Header + Command data (`05H'+ `00H'+ type (2 bytes) +`00H' + `00H') to the projector. [. . . ]