User manual SHARP EL-99T

[. . . ] 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. Responsible Party: SHARP ELECTRONICS CORPORATION Sharp Plaza, Mahwah, New Jersey 07430-2135 TEL: 1-800-BE-SHARP Tested To Comply With FCC Standards FOR HOME OR OFFICE USE WARNING -- FCC Regulations state that any unauthorized changes or modifications to this equipment not expressly approved by the manufacturer could void the user's authority to operate this equipment. Note: 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. [. . . ] as for the OHP projection panel controller , refer to the EL-9900 operation manual to find out how to install the operation batteries. Note that the memory backup battery has been installed at the factory at the time of shipment. (1) Open the battery cover located on the back of the OHP projection panel. Pull down the notch, then lift up and remove the battery cover. Make sure that the batteries are inserted in the correct directions. When the batteries need to be replaced oHP projection panel · The following occasions indicate the operation batteries are depleted. When the Battery Caution LED lights, or · When nothing is displayed on the OHP projection panel during operation. Replace the batteries immediately if any one of the above occurs. (1) Open the battery cover located in the back of the OHP projection panel. Pull down the notch, then lift up and remove the battery cover. The following conditions indicate the main batteries are depleted. Nothing is displayed even if the O key is pressed. The power suddenly goes off in the middle of operation. Replace the batteries immediately if any one of these conditions occurs. Replace the memory backup battery at least once every 5 years. Record the date the memory backup battery was replaced to estimate the next replacement date. When nothing is displayed even though the O key is pressed or if the operating batteries replacement message is displayed, the main batteries may be depleted. in that case , replace the main batteries first. If the memory backup battery is replaced while the main batteries are depleted, the memory contents of the OHP projection panel controller may be lost. Please refer to the EL-9900 operation manual to find out how to replace the operation batteries and memory backup batteries. Pay special attention to the following points: (1) Be sure to replace all four dry batteries at the same time. (2) Do not use new batteries with used batteries in the same unit. [. . . ] Connect the AC adaptor after turning off the power of the controller. If the following precautions are not observed, fire or electric shock may occur. Do not use the AC adapter EA-63A/28A for other equipment. Do not use voltages beyond the indicated power supply voltage range. [. . . ]