Bosch Integral TH13 Operating Instructions Manual page 74

Setting up the telephone for your own specific needs
Reset function key
Further functions:
Macro function
Set macro function
Enable function key
74
Select the "Further functions:" menu item.
Select the "Macro function" menu item.
Select the "Set macro function" menu item.
Page downwards through all the functions
Enter
–
or
or press the "Enter" key.
Press the key you wish to reset.
Select the desired option. The previous
contents of the function key has now been
deleted.
Setting up macro functions A