Plantronics VistaPlus AP15 AP15 User Guide - Page 7

F. Adjusting Tone During a call, press the tone control button on the front end of the AP15 to select the preferred sound. Note The tone control button has three settings. G. Muting a Call While wearing the headset, press the mute button. The mute indicator will be orange. To deactivate mute, press the mute button again. The mute indicator will be off. Troubleshooting PROBLEM I cannot hear callers or callers cannot hear me Possible cause Compatibility switch set incorrectly Cable not plugged in correctly Headset/Handset setting incorrect Low listening volume Mute function switched on PROBLEM Caller cannot hear me clearly Remedy Move compatibility switch and listen for a dial tone. Check connections to your headset and telephone. Ensure that you can hear a dial tone. Ensure that the green indicator is showing on the headset/handset button. Increase the listening volume by pressing the + at the top of the listening volume button. Press the mute button to deactivate mute if the mute indicator is orange. Possible cause Your voice is unclear to callers Remedy Adjust the speaking volume switch so you can be heard clearly. Do not set this level too high. PROBLEM I have to adjust the volume on every call Possible cause Remedy Adjusting volume on phone will cause volume to change for each call ADRO adjusts input for a consistent output. Use the listening volume button on the AP15 to set the desired volume level. Maintenance Disconnect the AP15 from telephone and power supply and clean it with a soft, damp cloth. Do not use solvents or other cleaners. Allow AP15 to dry completely before reconnecting. 5