——— ———
——— ———
Rolm phone - The
volume buttons are used to adjust the handset and speaker phone output volume.
——— ———
——— ———
To adjust the volume up press ......
To adjust the volume down press ......
——— ———
——— ———
Note that the volume levels are reset to the default level each time a call is placed or
answered.
——— ———
——— ———
... 
...