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ENGLISH

1

TT-251

Tabletop use kit

Model name

TT-251

User’s Manual

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.

WARNING

This symbol indicates information that, if ignored, could result in serious personal injury 

or even death due to incorrect handling.

CAUTION

This symbol indicates information that, if ignored, could result in personal injury or 

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. 

Table of Contents

Safety Symbols

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.

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

Installation Procedure ............................. 5

1

 

Disassembling the Main Bracket (A)

 ......... 5

2

 

Assembling the Base Plate (B)

 ................. 5

3

 

Assembling the Supporting Bracket (C)

 

 ... 6

4

 

Attaching the Projector

 ............................. 6

5

 

Attaching the Fixing Clamp (D)

 ................. 7

6

 

Connecting cables

 .................................... 8

Image adjustments .................................. 9

Dimensional Drawing .............................10

●   The content of this manual and the specifications of the product it describes are subject to 

change without prior notice.

●   Note that Hitachi will accept no liability whatsoever for injuries and damages arising from 

incorrect use or handling that exceeds normal operating limits. 

Disclaimer

Summary of Contents for TT-251

Page 1: ... 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 Disclaimer 1 Table of Contents 1 Safety Symbols 1 Outline and Relevant...

Page 2: ...rojector to allow the free flow of air from the exhaust and leave 10 mm or more space at the back of the projector to enable air to enter via the air intake 5 Do not install the projector in a location exposed to sudden temperature changes for example near air conditioners or where the temperature rises above 35 C 3 Do not install the projector in a smoke filled or extremely dusty environment as t...

Page 3: ...e electric cables as prescribed and take care not to damage them in the installation work Be sure to read this manual and the User s Manual of the LCD projector prior to installation to ensure that all safety instructions are observed and the projector is correctly installed Be sure to turn off the LCD projector and disconnect the power plug from the wall outlet before starting installation work D...

Page 4: ...ort ing bracket 1 F User s Manual This book 1 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 Contents of this package 1 Dis First Instal 1 Un hea Main hook 2 Ass Fix t Scre Tigh E ...

Page 5: ...ing illustration Installation Procedure 2 Slide and remove A 2 from the main bracket hook A 1 A 2 1 Unscrew the 3 round head screws Main bracket hook 2 Assembling the Base Plate B Fix the main bracket A 1 onto the base plate B Screws to use M4x8 hexagon head screw E x 4 Tightening torque 0 98 N m 10 kgf cm Main bracket A 1 Base plate B E x 4 ...

Page 6: ...ket C Main bracket A 2 4 Attaching the Projector Attach the projector assembled in procedure to the main bracket A 2 assembled in procedure 1 Fix the projector with the 3 round head screws removed in procedure 2 Insert the Main bracket hook A 1 into the fixing hole of the Main bracket A 2 Choose from two fixing holes according to your projector s resolution Main bracket hook Fixing holes Upper hol...

Page 7: ...s fixed by the fixing clamp D t D B WARNING Never use screws other than those designated Failure to heed this warning may cause the projector to fall or other hazard resulting in damage or injury Make sure to use the fixing clamp D when installing at the edge of the table Do not use at location where there is a risk of the unit falling CAUTION Precautions should be taken to prevent toppling when p...

Page 8: ...d 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 Cable clamp Image 1 Ima You See 2 You the Roun Fine adju of vertica horizonta in the im ...

Page 9: ...m 2 different heights See procedure 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 Fine adjustment of vertical and horizontal keystone in the image Tightening Loosening ...

Page 10: ...16 10 Screen size diagonal Projection distance Screen height b c1 c2 type inch m m inch m inch m inch 60 0 1 5 0 120 4 7 0 295 11 6 1 102 43 4 The values shown in the table are calculated for a full size screen 1024 x 768 a Screen size diagonal b Projection distance 8 c1 c2 Screen height 8 XGA 4 3 Screen size diagonal Projection distance Screen height b c1 c2 type inch m m inch m inch m inch 60 0 ...

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