5-145.16 Changing the detect dial tone settingNormally the product waits for a dial tone before attempting to a dial a fax number. If youare using the product on the same line as your phone, turn on the detect dial tone setting.This will prevent the product from sending a fax while someone is on the phone.1. Press Menu button.2. Press the scroll button until “ 4. Fax Setup ” appears on the display.3. Press Set button.4. Press the scroll button until “413. DialTone Det” appearson the display.5. Press Set button.6. Use the scroll button to select On or Off to enable or disable this function.7. Press Set button to save the selection.