Panasonic DP-C405 Service Handbook page 455

4.2.5.3. DTMF Signal
This Service Mode is used to check the DTMF (Dual Tone Multi Frequency) signal output.
The DTMF signal can be generated using the following procedure.
• DTMF Single Tone
Set the machine to Service Mode, and press the "9" key on the Control Panel.
↓
Press the "Start" key to enter the F9 Service Mode on the Control Panel.
↓
Select "00 Fax Service Mode" on the Touch Panel display.
↓
Select "04 Modem tests" on the Touch Panel display.
↓
Select "03 DTMF Single Tone" on the Touch Panel display.
↓
Select the desired parameter on the Touch Panel display, and then press the "Start" key on the
Control Panel.
↓
Press the "Stop" key on the Control Panel.
↓
Select the "Close" button three time on the Touch Panel display.
↓
Press the "Function", and the "C (Clear)" keys simultaneously on the Control Panel to exit the
Service Mode.
• DTMF Dual Tone
Set the machine to Service Mode, and press the "9" key on the Control Panel.
↓
Press the "Start" key to enter the F9 Service Mode on the Control Panel.
↓
Select "00 Fax Service Mode" on the Touch Panel display.
↓
Select "04 Modem tests" on the Touch Panel display.
↓
Select "04 DTMF Dual Tone" on the Touch Panel display.
↓
Select the desired parameter on the Touch Panel display, and then press the "Start" key on the
Control Panel.
↓
Press the "Stop" key on the Control Panel.
↓
Select the "Close" button three time on the Touch Panel display.
↓
Press the "Function", and the "C (Clear)" keys simultaneously on the Control Panel to exit the
Service Mode.
Ver. 1.1
455
DP-C405/C305/C265
FEB 2008