67Useful FunctionsUsing the DTMF Function9 Press the B key.The cursor moves.10 Repeat steps 6 and 7 to enter the remaining characters ofthe DTMF code.Hints The maximum length of the DTMF code is 16 characters.11 Locate the cursor at the last character, and then press theM key more than 1 second.The DTMF code is determined.12 Press the M key more than 1 second again.The Set mode is canceled.Confirming the Entered DTMF Code by the Sound1 Press the M key more than 1 second.The Set mode is selected.2 Turn the O knob to select “4 SIGNALING”.3 Press the M key briefly.4 Turn the O knob to select “5 DTMF SELECT”.5 Press the M key briefly.6 Turn the O knob to select a registered channel.7 Press the F key briefly.You can confirm the registered DTMF code by the DTMF tones.8 Press the M key more than 1 second.9 Press the M key more than 1 second again.The Set mode is canceled.Sending the Registered DTMF Code1 Press the M key more than 1 second.The Set mode is selected.2 Turn the O knob to select “4 SIGNALING”.3 Press the M key briefly.4 Turn the O knob to select “4 DTMF MODE”.5 Press the M key briefly.6 Turn the A knob to select “MODE”.7 Turn the O knob to select “AUTO”.8 Press the M key more than 1 second.9 Press the M key more than 1 second again. The auto dialer is activated.
