51FT-857 Operating ManualDSP Microphone Equalizer (REQUIRES OPTIONAL DSP-2 UNIT)In the SSB, AM, and FM transmission modes, you may use the DSP system to change thefrequency response of the audio stage, if you have installed the optional DSP-2 DigitalSignal Processing Unit. This will allow you to roll off excessive high- and/or low-frequencycomponents of your voice’s audio characteristics.To set up the DSP Microphone Equalizer feature:1. Press and hold in the [DSP] key for one second. This instantly activates Menu Mode No-048 [DSP MIC EQ].2. Rotate the DIAL to select one of the following equalization choices:OFF: Microphone Equalization OffLPF: High Cut (lower frequencies are emphasized)HPF: Low Cut (higher frequencies are emphasized)BOTH:High/Low Cut (mid-range frequencies are emphasized)3. When you have made your selection, press and hold in the [FUNC] key for one secondto save the new setting and exit to normal operation.TRANSMITTER OPERATIONSSB/AM TRANSMISSION