User manual BENQ RL2450H

[. . . ] Please read this manual before you operate your projector. Always open the lens shutter or remove the lens cap when the projector lamp is on. Do not look straight at the projector lens during operation. The intense light beam may damage your eyes. [. . . ] press MENU/EXIT to exit and save the settings. Remote paging operations Connect the projector to your PC or notebook with a USB cable prior to using the paging function. You can operate your display software program (on a connected PC) which responds to page up/down commands (like Microsoft PowerPoint) by pressing Page Up/Down on the remote control. If remote paging function doesn't work, check if the USB connection is correctly made and the mouse driver on your computer is updated to the latest version. Hiding the image In order to draw the audience's full attention to the presenter, you can use BLANK on the projector or remote control to hide the screen image. Press any key on the projector or remote control to restore the image. The word 'BLANK' appears at the screen while the image is hidden. When this function is activated with an audio input connected, the audio can still be heard. You can set the blank time in the SYSTEM SETUP: Basic > Operation Settings > Blank Timer menu to let the projector return the image automatically after a period of time when there is no action taken on the blank screen. The length of time can be set from 5 to 30 minutes in 5-minute increments. Do not block the projection lens from projecting as this could cause the blocking object to become heated. Repeat steps 1-2 in Muting the sound section. highlight Power on/off Ring Tone and select Off. The only way to change Power on/off ring tone is setting On or Off here. Setting the sound mute or changing the sound level will not affect the Power on/off ring tone. Adjusting the microphone’s sound level To adjust the sound level, press MIC/VOL +/- on the remote control, or 1. Repeat steps 1-2 in Muting the sound section. highlight Microphone volumee and select a desired sound level. Microphone sound will still function even though Mute is activated. Turning on/off the SRS • Using the OSD menu 1. Press MENU/EXIT and then press / until the SYSTEM SETUP: Advanced menu is highlighted. 36 Operation Displaying more than one image source simultaneously Your projector is capable of displaying pictures simultaneously from two input sources, which can be used to enhance your presentation in an interesting way. [. . . ] WEEE directive Disposal of Waste Electrical and Electronic Equipment by users in private households in the European Union. This symbol on the product or on the packaging indicates that this can not be disposed of as household waste. You must dispose of your waste equipment by handling it over to the applicable take-back scheme for the recycling of electrical and electronic equipment. For more information about recycling of this equipment, please contact your city office, the shop where you purchased the equipment or your household waste disposal service. [. . . ]