This telephone works in five different operating modes as shown in Table 1-2.
Table 1-2. TA-341( )/TT operating modes.
There are three controls that must be set to have the telephone set work correctly.
a. The LOCAL BATTERY/COMMON BATTERY (LB/CB) switch and the MODE switch we
have just discussed.
b. The third switch is the RINGER VOLUME control. This controls the loudness of the ringer,
not the volume at which you hear the distant party.
c. Other items of interest on the telephone are:
Connected to the telephone set and used to transmit and receive
When the handset is placed in the cradle, the HOOKSWITCH
disconnects the telephone from the switchboard or distant party.
When connected to a switching facility, it is used to dial the distant
Used to secure the handset in the cradle when transporting or
storing the telephone set.