Configuring Telephone Options68Accessing display diagnosticsThe Display diagnostics option tests the IP Phone display screen andindicator lights.To access Display diagnostics, press the Services key,select Telephone Options, and select Display diagnostics.To use Display diagnostics:Choosing a local dialpad toneThe Local DialPad Tone option produces Dual-Tone Multi-Frequency(DTMF) sounds, a single tone, or no sound when you press a key on thedialpad. To choose a local dialpad tone, press the Services key, selectTelephone Options, and select Local DialPad Tone.2. Choose one of the following:— Press the Select soft key to save theformat and return to theTelephone Options menu.— Press the Cancel soft key to keepexisting configurations.1. Press the Up/Down navigation keys toscroll through the list to view displaycapabilities.2. Press the Cancel soft key to return tothe Telephone Options menu.orSelect CancelCancel