Automatic Adaptive Digital Tracking - When monitoring P25 digital systems, instantly adapts the digital decoder to the digital modulation format of the transmitted signal, then analyzes the signal over 50 times each second and adapts to any subtle changes caused by multipath or fading.Can be used in conjunction with, or separately from, the Alert LED described above. Audible Alarms - Programmable audible alarms can be configured to sound when certain Scannable Objects are active.Eight user-defined colors can be specified from thousands of possible combinations. Alert LED - Programmable multi-color LED can be configured to illuminate or flash when certain objects are active.