Chartered Manager refers to a professional certification in management: C.Mgr., offered by the CIM Chartered Managers Canada; CMgr, offered by the Chartered Management Institute, U.K.
The DPI control is a physical switch on the top, bottom or side of your mouse. Press or slide the switch to adjust your mouse's sensitivity. Your mouse's LCD then displays the DPI setting, or you see a message on the monitor informing you of the DPI change.
how to check dpi.. control panel > mouse > pointer options. If you have been using mouse acceleration and that is what you have grown accustomed to I can't stress enough that you should turn it off. you'll take some time adjusting but the pros are worth it.