ACLR Menu Key Sequence: Measurements > RF Measurement > ACLR WCDMA/HSDPA ACLR Menu Display Trace: Select ON to display the trace. Select # of Main Channels: Set the main channels from 1 channel to 4 channels. Select # of Adjacent Channels: Set the adjacent channels from 1 channel to 4 channels. Channel Width: Sets the bandwidth for the channels for the number of adjacent channels selected. Back: Returns to the “RF Measurement Menu”.