First of all, here is the main ONLINE SUPPORT page for your model:
And here is a direct link to the ONLINE USER'S MANUAL for that model:
To view the Support Page or the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated and the contents of the Owner's Manual.
You may need ADOBE READER installed on your computer to read PDF documents.
You can download this free at WWW.ADOBE.COM
Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, then follow the onscreen instructions to install the software on your computer.
See page 18 of the manual for detailed instructions on how to switch between TONE and PULSE dialing. Basically it reads as follows:
If you cannot make calls, change this setting according to your telephone line service.
The default setting is "Tone".
"Tone": For tone dial service.
"Pulse": For rotary/pulse dial service.
1 - MENU # 120
2 - Use UP / DOWN arrow keys to select the desired setting.
3 - Select SAVE and then OFF
I hope that was helpful to you, good luck and take care.