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Model ELK-PFM-B5XXMP, Professional Trackball Mouse. <For PS/2( Mouse-Port)>
1. Scope
This specification describes the functional, physical, and environmental characteristics of the PS/2 Mouse-port Professional Trackball Mouse
2. Functional Specifications
2.1Resolution: 192 to 576 pulses per revolution of the ball.
2.2 Input Switches: Three (3)
2.3 Interface: IBM PS/2
2.4 Connector: 6-Pin Mini-Din Male 2.5 Pin Assignments:
Pin 1 = PS/2 Data
Pin 2 = NC
Pin 3 = Common
Pin 4 = +5V
Pin 5 = PS/2 clock
Pin 6 = NC
2.6 Compatibility: Microsoft Mouse Protocol, Logitech Mouse Protocol
2.7 OS Certifications: Microsoft Windows 95/98/2000/XP, and Microsoft Windows NT 4.0
2.8 Switches: Mechanically limited, break resistent
2.9 Cable: 96"+-0.5", double shielded, 100% coverage
2.10 Power Consumption: Idle(8mA), Max(12mA)

3. Mechanical Specifications
3.1 Dimensions: Approximately 4"wide x 8"long
3.2 Weight: 1.3 lbs
3.3 Body Material: ABS, Beige
3.4 Ball Material: Cast Phenolic Resin
3.5 Ball Hardness: Rockwell H 85
3.6 Tracking Force: 1.5 oz. maximum, 0.5 oz. typical (15g)
3.7 Ball Load: 25 lbs. maximum downward
3.8 Ball Speed: 500 RPM maximum
3.9 Hand Pad: Injection-molded vinyl, grey

4. Environmental Specifications
4.1 Operating Temperature: 0 to +50¡É
4.2 Storage Temperature: -20 to +60¡É
4.3 Humidity: 0 to 95% non condensing

5. Accessories: None
6. Documentation: Included instruction manual
7. Special Features
7.1 Right/Left-handed modes: Yes. See manual for programming instructions
7.2 Programability:
¨Ø Middle Key: The middle key may be set for the auxiliary function, a primary click-and-drag, or a primary double-click. See manual for programming instructions.
¨è Right (Secondary in right-handed mode) Key: The right key may be set for either secondary click or secondary click-and-drag. See manual for programming instructions. ¨é Programming Note: Programming will reset to factory default if the Tarckball Mouse receives a reset signal from the host computer.