DISPLAY DEVICE AND CONTROL METHOD FOR DISPLAY DEVICE

PROBLEM TO BE SOLVED: To adjust the output of an irradiation device according to an installation state of the irradiation device to improve the accuracy of detection of an indicated position.SOLUTION: A projector 100A includes a projection unit 110A for displaying an image in a projection area 10A of a screen SC, a light emission device 200A including a first light source unit 211A and a second light source unit 212A for emitting infrared lights along the projection area 10A, an indicator detection unit 140A for detecting reflected light of infrared light irradiated by at least one of the first light source unit 211A and the second light source unit 212A, and an output control unit 174 for adjusting the output of infrared light emitted by at least one of the first light source unit 211A and the second light source unit 212A according the installing state of the light emission device 200A.SELECTED DRAWING: Figure 3 【課題】照射装置の設置状態に応じて照射装置の出力を調整して、指示位置の検出精度を向上させる。【解決手段】スクリーンＳＣの投射領域１０Ａに画像を表示する投射部１１０Ａと、投射領域１０Ａに沿って赤外光を照射する第１光源部２１１Ａ及び第２光源部２１２Ａを備える光出射装置２００Ａと、第１光源部２１１Ａ及び第２光源部２１２Ａの少なくとも一方により照射された赤外光の反射光を検出する指示体検出部１４０Ａと、光出射装置２００Ａの設置状態に応じて、第１光源部２１１Ａ及び第２光源部２１２Ａの少なくとも一方が照射する赤外光の出力を調整する出力制御部１７４とを備えるプロジェクター１００Ａ。【選択図】図３