= NOW 7 1/2 WPM = TEXT IS FROM MAY 2021 QST PAGE 49 = THE TRANSCEIVERS VOLUME CONTROL DURING NORMAL OPERATION. THE REAR PANEL FILTER LEVEL KNOB PROVIDES DSP LEVEL ADJUSTMENT IN EIGHT STEPS SEE FIGURE 10. THERES A 3R5 MILLIMETER MONAURAL JACK ON THE SIDE OF THE SPEAKER THAT PROVIDES HEADPHONE LEVEL AUDIO. THE INTERNAL SPEAKER IS MUTED WHEN = END OF 7 1/2 WPM TEXT = QST DE W1AW <