Abstract: A projector includes: a first processor that controls the projector; a second processor that controls the light source; and a storage unit that stores parameters for the second processor to control the light source. The second processor starts to control the light source based on the parameters stored in the storage unit when activated. When the parameters are changed, the first processor stores the changed parameters in the storage unit.

Abstract: A projector includes: a first processor that controls the projector; a second processor that controls the light source; and a storage unit that stores parameters for the second processor to control the light source. The second processor starts to control the light source based on the parameters stored in the storage unit when activated. When the parameters are changed, the first processor stores the changed parameters in the storage unit.

Abstract: A projector includes a plurality of light source sections, a light modulation device, and a drive section. The plurality of light source sections includes a first light source section and a second light source section different from each other in wavelength of emitted light. In a case of varying brightness of light emission of the first light source section and the second light source section, the drive section is configured to determine first light emission information with respect to light emission of the first light source section and second light emission information with respect to light emission of the second light source section, and then, at a predetermined timing, adjust the light emission of the first light source section based on the first light emission information and adjust the light emission of the second light source section based on the second light emission information.

Abstract: A projector includes: a first processor that controls the projector; a second processor that controls the light source; and a storage unit that stores parameters for the second processor to control the light source. The second processor starts to control the light source based on the parameters stored in the storage unit when activated. When the parameters are changed, the first processor stores the changed parameters in the storage unit.

Abstract: A position information converting device in an interactive system comprising: conversion control section which determines, if an image formed by an optical signal from an object of the neighborhood of the projection surface is detected within the projection image included in the captured image data, that the predetermined manipulation has been performed, uses the position conversion information stored in the position conversion information storing section to convert position information representing the position where the predetermined manipulation has been performed into a position on the image based on the image signal.