Bosch Integral TM13 Operating Instructions Manual page 126

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Second call
Deactivate second call in the main menu (only possible in idle mode) if you
do not want to be disturbed by additional calls. You can activate the no
knocking function during a call.
Send VIP functions
You can activate or deactivate the transmission of VIP functions.
Set TA -
Terminal adapter: Define the transmission parameters that correspond to
the respective data terminal. You may only change the parameters if there
is no ongoing data connection.
Set function keys
Select this menu item to assign frequently used functions to the softkeys.
These functions will no longer appear on the display.
Set handsfree universal/enhanced/internal/special
If you are not satisfied with the transmission quality during handsfree mode,
you can adjust the setting of this function to suit the particular ambient
conditions in the room
Set partner display
You can delete and reactivate the display of a partner.
Signal tone
Adjust the volume of the signal tone.
Spec partner pos.
You can assign a partner to another partner or destination key.
Speech path
Starts the speech path test. You can test the receiver and the monitoring
function by blowing into the receiver. The symbol for "Handset off-hook"
appears on the display when the handset is lifted.
The symbol for "Monitoring on" appears on the display when the monitoring
function is turned on.
126
Menu items on the display "
p. 135).