This chapter provides a brief overview of the Anritsu MT8221B BTS Master. The intent of this chapter is to acquaint you with the instrument. To begin using the instrument immediately, go to Basic Measurement Setups, Basic Measurement Setups to find directions for power on, editing, frequency, bandwidth, amplitude, limit line, marker, file management procedures, and firmware update. For more detailed information on measurement setups, refer to the specific measurement guides, which are based on the options that can be purchased for this instrument. The measurement guides and a copy of this user guide are available as PDF files on the documentation disc. Refer to Measurement Guides, Measurement Guides.