User manual BENQ RL2450H

[. . . ] In areas where the mains voltage may fluctuate or cut out, it is recommended that you connect your projector through a power stabilizer, surge protector or uninterruptible power supply (UPS). Do not block the projection lens with any objects when the projector is under operation as this could cause the objects to become heated and deformed or even cause a fire. important safety instructions 3 Safety Instructions (Continued) 7. Allow the projector to cool for approximately 45 minutes prior to removing the lamp assembly for replacement. [. . . ] For example, if you select Red and set its value at 0, only the saturation of pure red will be affected. Operation 33 Saturation is the amount of that color in a video picture. Lower settings produce less saturated colors; a setting of “0” removes that color from the image entirely. If the saturation is too high, that color will be overpowering and unrealistic. Press to highlight Gain and adjust its values to your preference by pressing / . 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. Press MENU/EXIT and then press / until the SYSTEM SETUP: Advanced menu is highlighted. Adjusting the sound level Operation 35 To adjust the sound level, press VOLUME +/ VOLUME-on the remote control, or: 1. 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. 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. Ensure the signals you want to display are correctly connected to the projector. Press MENU/EXIT and then press / until the DISPLAY menu is highlighted. The projector will select two currently active signals to display and the last viewed picture will be displayed on the big screen as a main source. To highlight Main Source or To change the Main Source or Second Source, press Second Source, use / to highlight the source you want to display for the main (bigger) or second (smaller) window. [. . . ] €” Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. €” Consult the dealer or an experienced radio/TV technician for help. EEC statement (for European users) This device complies with the requirements set out in the Council Directives on the Approximation of the Laws of the Member States relating Electromagnetic Compatibility (2004/108/EC) , Low Voltage Directive (2006/95/EC), the Restriction of The Use of Certain Hazardous Substances in Electrical And Electronic Equipment Directive (2002/95/EC), Turkish EEE Directive, Commission Regulation (EC) No 1275/2008 implementing Directive 2005/32/EC of the European Parliament and of the Council with regard to ecodesign requirements for standby and off mode electric power consumption of electrical and electronic household and office equipment, and the Directive 2009/125/EC of the European parliament and of the council establishing a framework for the setting of ecodesign requirements for energy-related products. WEEE directive Disposal of Waste Electrical and Electronic Equipment by users in private households in the European Union. [. . . ]