
Technical support: www.real-el.com
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ENG
User’s Manual
RM-250 USB+PS2
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Congratulations on purchasing the ТМ REAL-EL PC mouse!
Please read this User’s Manual before using the unit and retain this User’s
Manual in а safe place for future reference.
COPYRIGHT
© 2015. ENEL GROUP OU. This Manual and information contained in it are
copyrighted. All rights reserved. All trademarks are the property of their legal
holders.
NOTICE OF RESPONSIBILITY RESTRICTION
Despite the exerted efforts to make this Manual more exact, some discrepancies may occur. The information of this Manual is given on «as is» terms.
The author and the publisher do not bear any liability to a person or an
organization for loss or damage which has arisen from the information
contained in this Manual.
CONTENTS
1. SAFETY PRECAUTIONS ...............................
..
.............
2. PACKAGE CONTENTS ...............................
.....
............
3. SPECIAL FEATURES ...............................
.......
.............
4. SYSTEM REQUIREMENTS ...............................
............
5. CONNECTION AND INSTALLATION .......................
..........
6. TROUBLESHOOTING .................................................
7. TECHNICAL SPECIFICATIONS ............................
..........

ENG
Technical support: www.real-el.com
2
Optical Mouse
RM-250 USB+PS2
1. SAFETY PRECAUSIONS
• Protect the item against high humidity and dust and avoid exposure to
high temperatures.
• Do not use gasoline, spirit or other dissolvents for cleaning. This may cause
damage to the surface. Clean the device with soft cloth.
• Avoid mechanical actions to the device.
• Do not open the device and do not repair it on your own.
2. PACKAGE CONTENTS
• Оptical mouse – 1 pc
• Adapter PS/2 to USB – 1 pc
• User’s Manual – 1 pc
• Warranty card – 1 pc
3. SPECIAL FEATURES
• High-precision optical technology
• Operates practically on any surface
• Symmetric form
• Rubber insert on scroll wheel
• Suitable for left-handers
• USB or PS/2 interface
• Adapter PS/2 to USB included
• Installation drivers for Windows XP/Vista/7/8 are not required
• Plug&Play technology
4. SYSTEM REQUIREMENTS
• Windows XP/Vista/7/8.
• Free USB or PS/2 port.
5. CONNECTION AND INSTALLATION
• Connect the mouse to an available USB or PS/2 port of your PC.
• Turn on your PC. The mouse is installed automatically.
• In addition to the left and right buttons, the mouse also has a scroll wheel
combined with the third button. The scroll wheel makes it possible to look
through windows and turn over pages of documents.

Parameter, measurement unit
OS compatibility
Mouse type
Resolution, dpi
Quantity of buttons
Interface
Error-free running time
Conformity with
Сable length, m
Dimensions, mm
Weight, g
Value
Windows XP/Vista/7/8
optical
1200
2 + 1 (scroll wheel)
USB or PS/2
more than 3,000,000 strokes
FCC, CE
1,5
110 × 60 × 38
77
Technical support: www.real-el.com
ENG
3
User’s Manual
RM-250 USB+PS2
Notes:
• Technical specifications given in this table are supplemental information and cannot give occasion to claims.
• Technical specifications and package contents are subject to change
without notice due to improvement of TM REAL-EL production.
7. TECHNICAL SPECIFICATIONS
6. TROUBLESHOOTING
Solution
1. Disconnect the mouse from your PC and check the
connector pins for possible damage. If there is no
external damage found and the connector pins are OK,
connect the mouse to your PC again.
2. Address your nearest authorized service center.
Problem
The mouse is
not working.

Model: RM-250 USB+PS2
Manufacturer: ENEL GROUP OU, Joe tn 5-39, Tallinn, Harjumaa 10151, Estonia.
Made in China.
® Registered Trademark of ENEL GROUP OU. Estonia.