Description: Setting this attribute to AdaptiveRate(2) sets the system to operate in adaptive modulation mode. It is recommended to keep the AN-50 in this mode so that the system can automatically adjust the modulation level to the highest possible data rate based on measured RF performance. The user can define the minimum desired modulation level by setting the Main rate parameter. If the system meets this data rate, then the Signal LED on the front panel will light continuously green. If packet errors exceed one out of a million, the system will automatically lower the modulation level to maintain the link. In this case, the LED will flash green. If errors continue when the system reaches the lowest modulation level, the LED will flash red to indicate a failed RF link. The user can also disable the dynamic modulation mode by disabling Adaptive Modulation. In this mode, the user is required to set the Burst Rate and the Modulation Reduction Level. It is recommended not to operate the system in manual mode, as this mode is intended primarily for field support. Note the Signal LED will light solid green when the packet error rate is less than 1 out of a million. When the errors exceed this limit, the LED will not illuminate, indicating the RF link has failed.