The baseline value for firber mornitoring. Acceptable mode string and value ranges are as below: average <12-150> - number of readings used to calculate moving average. fixed <1-65535> - fixed baseline value in units of 0.0001mW. For example, if you want to use a moving average of 12 readings as the baseline, you enter average 12 Or if you want to use a fixed value, though it is not recommended, you enter fixed 500