Plantronics CS55 User Guide - Page 8

LISTENING VOLUME Note: Be sure to set your telephone's volume at the mid range before adjusting the CS50/CS55 volume. Minor Adjust Major Adjust SPEAKING VOLUME Minor Adjust Major Adjust Rock the headset volume control back and forth to adjust listening volume in minor incremental adjustments. NOTE: You must be in talk mode (i.e. on a call) to adjust. Use listening volume major adjust control on the back of the base for large incremental adjustments. NOTE: 1 is the loudest setting. 4 is the lowest setting, Use the speaking volume minor adjust control on the back of the base for minor incremental adjustments. NOTE: You must be in talk mode (i.e. on a call) to adjust. Use the speaking volume major adjust control on the bottom of the base for large incremental adjustments. NOTE: A is the lowest setting B is the most common setting. D is the loudest setting. Headset Mute To mute headset, press the listening volume/mute button straight in. Press again to unmute. You will hear 3 rapid beeps every 15 seconds to indicate mute is on. 14 15