BT Quartet 1500 - Manual (Page 67)

4. Press or to select either TONE or PULSE then press
.
5. Press twice to return to the idle screen.
Temporary change to dialling mode
If you have set your BT Studio 1500 to Pulse dialling,
you can temporarily switch to Tone dialling during a call.
1. Press , then press , then dial the number as
normal.
Your BT Studio 1500 will switch to Tone dialling only for
the duration of this call.
Alternatively, you can store a phonebook number so
that it will temporarily switch to Tone dialling each time
it is dialled.
2. Press and hold before you store the number in the
phonebook. d is displayed.
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