Processes and methods related to processing and hot working alloy ingots are disclosed. Upon receipt of a request for assigning a channel to a mobile station, a base station transceiver system generates a connect message including channel information, which indicates a Walsh code, out of 256 Walsh codes, to be used for a channel to be assigned to the mobile station, and a quasi-orthogonal function index. Moreover, the method evaluates the e-book based on a user’s acknowledgment responses to the advertisement. Satisfaction of one or more of the trigger conditions may indicate the patient has edema andor is trending toward decompensation. The CPU calculates a voltage to be applied to the modulator drive circuit based on the optical absorption current detected by the photocurrent detection circuit.