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Hitachi TT-251 User Manual
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Hitachi TT-251 User Manual

Hitachi TT-251 User Manual

Tabletop use kit
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Tabletop use kit
TT-251
Model name
Thank you for purchasing this tabletop use kit specially designed for Hitachi LCD projectors.
Be sure to read this manual and the User's Manual supplied with the LCD projector before use so you will know
how to install it properly. After you have finished reading these documents, put them away in a safe place for future
reference.
● The content of this manual and the specifications of the product it describes are subject to
change without prior notice.

Disclaimer

● Note that Hitachi will accept no liability whatsoever for injuries and damages arising from
incorrect use or handling that exceeds normal operating limits.

Table of Contents

Disclaimer ................................................ 1
Table of Contents ..................................... 1
Safety Symbols ........................................ 1
Outline and Relevant Models .................. 2
Installation Precautions .......................... 2
Routine Inspections ................................ 3
Contents of this package ........................ 4

Safety Symbols

The following symbols are used in this manual to help you use this product safely and correctly, and to prevent injury
to yourself and others or damage to property. Read through the safety instructions below so you can operate the
product correctly.
This symbol indicates information that, if ignored, could result in serious personal injury
WARNING
or even death due to incorrect handling.
This symbol indicates information that, if ignored, could result in personal injury or
CAUTION
physical damage due to incorrect handling.
Indicates a prohibited action.
This symbol is accompanied by text indicating an action that must not be taken.
Indicates a mandatory action.
This symbol is accompanied by text indicating an action that must be taken.
TT-251
User's Manual
Installation Procedure ............................. 5
1
2
3
4
5
6
Image adjustments .................................. 9
Dimensional Drawing .............................10
1
......... 5
................. 5
... 6
............................. 6
................. 7
.................................... 8

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Summary of Contents for Hitachi TT-251

  • Page 1: Table Of Contents

    ● The content of this manual and the specifications of the product it describes are subject to change without prior notice. Disclaimer ● Note that Hitachi will accept no liability whatsoever for injuries and damages arising from incorrect use or handling that exceeds normal operating limits. Table of Contents Disclaimer ..........

  • Page 2: Outline And Relevant Models

    TT-251 Outline and Relevant Models This tabletop use kit is designed to install a Hitachi LCD projector on top of a table and to project images on the surface of the table. Supported Hitachi LCD projector models: CP-AW251N (CP-AW251NM) CP-A221N (CP-A221NM)

  • Page 3: Routine Inspections

    TT-251 WARNING ■ Do not install the projector in a location exposed to high humidity, dust or tobacco smoke or in a location exposed to smoke or steam. ■ Do not install the projector in a location exposed to vibrations.

  • Page 4: Contents Of This Package

    TT-251 Contents of this package Check that the items listed in the table below are included in this package. If any are missing, please contact your dealer immediately. Part names in the figures on the following pages are indicated by the symbols given in the table below.

  • Page 5: Installation Procedure

    TT-251 Installation Procedure Disassembling the Main Bracket (A) Firstly, disassemble the main bracket (A) into A-1 and A-2 as shown in the following illustration. Unscrew the 3 round low. head screws. Main bracket hook Slide and remove A-2 from the main bracket hook.

  • Page 6: Assembling The Supporting Bracket (C)

    TT-251 Assembling the Supporting Bracket (C) Fix the main bracket (A-2) and supporting bracket (C) onto the projector. Screws to use: M4x8 hexagon head screw (E) x 4 (To fix the projector) M4x8 hexagon head screw (E) x 2 (To fix the supporting bracket (C)) Tightening torque: 0.98 N•m (10 kgf•cm)

  • Page 7: Attaching The Fixing Clamp (D)

    TT-251 Attaching the Fixing Clamp (D) If you are installing to the edge of the table, use the fixing clamp (D) to prevent the projector from falling. Screws to use: M4x12 hexagon head screw x 2 (To fix the fixing clamp (D)) Tightening torque: 0.98 N•m (10 kgf•cm)

  • Page 8: Connecting Cables

    TT-251 Connecting cables Connect the cables to the projector. Cable clamp NOTE ■ Use a cable clamp to hold the cables. ■ Be careful not to pinch and damage the connected cables while moving the tabletop use kit. ■ Use a cable cover if necessary. See the User's manual of the projector for installation of the cable cover.

  • Page 9: Image Adjustments

    TT-251 Image adjustments 1. Image size You can choose from 2 different heights. See procedure ④. 2. You can adjust the vertical and horizontal keystone in the image by tightening/loosening the round head screw at the back. Round head screw (back)

  • Page 10: Dimensional Drawing

    TT-251 Dimensional Drawing (193) 42.5 Center line of optical axis (160) (25) unit [mm] The values shown in the table are calculated for a full size screen: 1280 x 800 a Screen size (diagonal) b Projection distance (±8%) c1 , c2 Screen height (±8%)

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