Page 20 of 104 M2000 Series Meridian Digital Telephones553-3001-108 Standard 9.00 April 2000Physical characteristicsFixed keysAll of the M2000 Series Meridian Digital Telephones are equipped with thefollowing fixed keys:• Hold key• Release key• Volume control keyVolume control key Pressing the right “volume up”* or left “volume down”side of the key incrementally increases or decreases the volume for the toneor sound that is currently active.*All Meridian Digital Telephones, with the exception of the M2016Smanufactured after June 1996 are compliant with the HAC volume levelrequirements issued by the FCC for handset volume control for the hearingimpaired. The highest volume level setting provides 13.5 dB over nominal.The volume settings are retained for subsequent calls until new volumeadjustments are made. If the telephone is equipped with a Display module,volume can be adjusted at any time with the setting displayed on the screen(in Program mode).You can adjust the volume of the following tones while they are audible:• ringing• Handsfree (M2008HF/M2616)• handset/headset• buzz• on-hook dialingNote: When the telephone is disconnected, all volume levels will returnto default values upon reconnection.