Canon 1705B002 LV-7575_inst_manual.pdf - Page 51
Problem, Try these Solutions, WARNING
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APPENDIX Problem: Remote control unit does not work. Wireless mouse function does not work. Try these Solutions ● Check the batteries. ● Check if the ALL-OFF switch on the remote control unit is set to "ON." ● Make sure there is no obstruction in between the Infrared remote receiver of the projector and the remote control unit. ● Make sure you are not too far from the projector when using the remote control unit. Maximum operating range is 5 m (16.4'). ● Check the remote control code in the remote control unit. (See page 41.) ● Check if the remote control keys are locked. (See page 42.) ● Check the cable connection between the projector and your computer. ● Check the mouse setting on your computer. ● Turn the projector on before turning on a computer. WARNING: High voltages are used to operate this projector. Do not attempt to open the cabinet. If the problem still persists after following all operating instructions, contact the sales dealer where you purchased the projector or the service center. Specify the model number and explain the difficulty. We will advise you how to obtain service. 51