55SettingsSelect the background color or image when no input signal isdetected. Press the Point ! buttons to switch between eachoption.Blue ................... Projects a blue background.User................... Projects a captured image.Black .................. Projects a black background.Allows you to select a lamp mode.4-Lamps................ Uses four lamps.3-Lamps................ Uses three lamps.2-Lamps................ Uses two lamps.Auto: In 3-lamps or 2-lamps mode,automatically and preferentially uses alamp with shorter cumulated lighting time.Constant mode..... Automatically switches between the lampmodes, or performs digital processings likemodulation of the light from the lamps tokeep the target brightness by switchingthe lamp modes.Target: Allows you to specify the desiredtarget brightness (up to 1024). Followthese steps below: 1) Select Target andpress the SELECT button. 2) Set Targetbrightness by using the Point ! buttonsand press the SELECT button. 3) SelectYes in the confirmation dialog box toactivate Constant mode.Current: Displays current brightness. Ifluminance level of lamp does not reachthe target brightness, the parameter isdisplayed in red.Note• In Constant mode, some Setting menu items are notavailable.• You can use the Real Color Manager Pro CD-ROM(supplied) except in Constant mode.• In this example, the Target value is specified to 820, butas it is not absolute luminance, you can specify a valuein the 0 - 1024 range.BackgroundLamp modeThis function allows you to change among the lampmodes: Auto, Normal, Eco 1, and Eco 2Lamp controlAuto . . . . Brightness according to the input signal.Normal . . Normal brightness.Eco 1. . . . Lowers brightness and decrease of fanspeed. Lower brightness reduces thelamp power consumption and extendsthe lamp life.Eco 2. . . . Lowers brightness and increase of fanspeed. Lower brightness reduces thelamp power consumption and extendsthe lamp life. It is recommended touse Eco 2 when using the projectorcontinuously over a long period of time.The fan noise becomes louder in Eco 2than in Eco 1. Select the suitable modefor the used environment.Lamp controlNoteThe fan noise becomes louder in Eco 2 than in Eco 1.Select the suitable mode for the used environment.