TM8100 Mobile Radio Calibration Application User’s Manual Glossary 21August 2004 © Tait Electronics LimitedGlossaryBbandwidth The transmitter deviation and receiver audio sensitivity. Bandwidth is set ona per-channel basis using the programming application. The field can be setto 12.5 kHz (narrow band), 20 kHz (medium band), or 25 kHz (wide band).birdie A birdie is a hum or whistle on a channel caused by internal interference. Abirdie can be eliminated by activating a birdie killer on the channel.Ccalibration Calibration is the process whereby a radio is manually or electronicallytuned for optimal performance. Calibration is normally only carried outduring product manufacture or major service.DDAC Digital to analog converter. An electronic device that outputs a voltagedependent upon the value of binary data input.database The set of programmable data points that allows the product to becustomised for a particular application or mode of operation.FFSK FFSK (fast frequency shift keying) is the default signalling method usedwhen transferring data (such as short data messages or GPS locationinformation) between two radios. Data is represented by 1 cycle of 1200 Hz(logic 1) or 1.5 cycles of 1800 Hz (logic 0), and is transmitted at rates of 1200bps.Pprogrammingdatabase The programming database is the information that is altered using the radioprogramming application.S