Question 1

How do I scroll to give same function as mouse scroll wheel

Accepted Answer

You can scroll pages, zoom and do other functions with the simulated scrolling using the ball, unfortunately there's no real "mouse wheel" function so certain features that use the mouse wheel in some programs and games will not work with this trackball.When I want to use this track ball and also need to have a real mouse wheel in a program or game (e.g. zooming in/out in Civilization V) I'm using the Razer Nostromo keypad which includes a mouse wheel to compensate for this. Having a extra regular mouse around is another alternative.

Question 2

will this work on  android

Accepted Answer

Its a usb rollerball mouse. Im not sure what you mean by android? If you mean an android tablet, then my guess would be yes it would work.

Question 3

can you buy replacements for this specific mouse? I bought this mouse a couple years ago and I've lost the ball.

Accepted Answer

I am not too sure if you can buy the ball. I had my first one for about 18 years and bought the new one as a replacement as the wiring started playing up, but kept the old ball just in case I need it. So never needed to look for the ball. Contacting the manufacturer might be a good idea

Question 4

Only 300dpi?

Accepted Answer

Yes - Dots per inch (DPI) is a measurement of how sensitive a mouse is. The higher a mouse’s DPI, the farther the cursor on your screen will move when you move the mouse. A mouse with a higher DPI setting detects and reacts to smaller movements.
I still find it responsive enough for all my computer needs - however - I only play solitaire and similar games that don't really require very fast and accurate movement.

G
PS I've just discovered this model no longer seems to be listed at Logitech online site - Discontinued?

ASIN	B001DQY9AW
Antenna Location	Laptop
Are Batteries Included?	No
Are Batteries Required	No
Best Sellers Rank	176,445 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 3,174 in Mice
Brand Name	Logitech
Button Quantity	4
Colour	Grey, Red
Compatible Devices	Büro
Customer Reviews	4.6 4.6 out of 5 stars (2,137)
Global Trade Identification Number	05099206010109
Hand Orientation	Ambidextrous
Hardware Platform	Mac, PC
Included Components	other
Item Dimensions L x W	20.4L x 6.9W centimetres
Item Part Number	910-000808, 910000808
Item Weight	200 Grams
Manufacturer	Logitech
Manufacturer Part Number	2226127
Minimum Required Operating System Version	Mac OS X 10.4 Tiger, Windows Vista
Model Name	Logitech Trackman Marble
Model Number	910-000808
Mouse Maximum Sensitivity	300 Dots per Inch
Movement Detection	Trackball
Network Connectivity Technology	USB
Operating System	Mac,Windows
Pattern	Marble Trackball
Power Source	Corded Electric
Product Features	Trackball^PC / Mac
Product Warranty	3 Years
Range	33 feet
Style Name	Single
Theme	marble
Unit Count	1.0 count

Logitech TrackMan Marble

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