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TABLE OF CONTENTS

Introduction

5

Positioning the projector

6

Video connections

7

Connecting a video device

7

Displaying a video image

9

Connecting a computer

10

Shutting down the projector

11

Troubleshooting your setup

11

Using the keypad buttons

15

Using the remote control

15

Using the audio

16

Customizing the projector

16

Optimizing video images

17

Using the menus

17

Picture menu

18

Settings menu

21

Maintenance

23

Cleaning the lens

23

Replacing the projection lamp

23

Cleaning the dust filters

25

Using the security lock

25

Red LED behavior and projector errors

26

Projected image size

26

If you are experienced in setting up presentation systems, use the included Quick Set Up card. For complete details on connecting and operating the projector, refer to this User’s Guide.

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Knoll Systems HD225 user manual Table of Contents