9which is undesirable for a large audience.Preferably, use a screen with black, non-reflecting borders,which will perfectly frame the projected image.Avoid light shining directly on the screen during projection asthis will reduce contrast and black level detail on the projectedimage. For the true cinema experience best results areachieved with little or no ambient light.Furniture and other objects with reflecting surfaces, as well aslight coloured walls should be avoided, as they are likely tointerfere with the screen’s characteristics.5 SWITCHING ON AND OFF THE PROJECTORCAUTION: Connect the projector to a power supplywith a nominal voltage within the following values:100-240 Vac, 50/60 Hz. It must be earthed(Fig. 13).Position I : onPosition O : offPower switchFused powersocketPower plugFig. 13Upon switch on (in position I) the projector will initialise (redand green LEDs on). Followed by stand-by mode (red LED on)(Fig. 14).DIGITALINPUTAUDIOOUTOOMCONTROL (RS 232)GRAPHICS RGBR/CrG/YB/CbHV243 5ATTENTION: pour ne pas compromettrela protection contre les resque d'incenderemplacer par un fusible de meme typeet de mems caracteristiqueCAUTION: for continued protection againstrisk of fire, replaceonly with same typeand rating fuse.Fig. 14SWITCH ON FROM STAND-BYBy remote control: press one of 1...9By keyboard: press Up or Down Arrow .ZOOMCONTROL (RGRAPH124F1EFig. 15When switching on from stand-by, the projector will turn on thelamp; after a brief warm up period the image will be displayed(green LED on).The input automatically selected will be thelast one memorised prior to switch off(Fig. 15).You may experience difficulties switching on the projector shortlyafter switching off: the lamp may fail to come on as it is too hot.Just wait a few minutes to cool it down.