Ericson Model R278d Cell phone Key Pad Layout Top left Yes/Send-Press this button to connect the call ofter you dial the number. Pressing this button twice will re-dial the last dialed number Top Right No/Disconnect button--Pressing and holding this button for one second turns the phone on or off. You also press this button to disconnect a completed call. Second Row left Back Button-used for menu functions. Also deletes the last dialed digit. Pressing this button repeatedly will delete all dialed digits. Second Row Center contains an oval shaped rocker button that is used for menu functions. Second Row right Menu button Below these buttons is the telephone keypad Row 3 123 Row 4 456 Row 5 789 Row 6 *0#