
LOCATION OF CONTROLS & CONNECTIONS
Handset Base Unit
Handset  | Hookswitch  | M1 button  | M2 button  | In use indicator  | 
  | 
  | 
  | 
  | M3 button  | 
  | 
  | 
  | 
  | M4 button  | 
Handset
Retainer Tab
M5 button
M6 button
M7 button
M8 button
Flash/Transfer button
Mute button
Redial button
Store button  | Visual ringer  | 
Rear of Base Unit
HI LO
VOLUME RINGER
Handset volume control Ringer HI/LO switch LINE jack
3