To Unlock the Telephone ........................................................................................................ 78
To Add New Data .......................................................................................................................... 81
To Change Group Name ............................................................................................................... 82
To Find a Registered Data ............................................................................................................ 83
To Add Prefix Number .................................................................................................................. 85
To Set Prefix ........................................................................................................................... 85
To Edit Directory Data ................................................................................................................... 87
To Delete All Data ......................................................................................................................... 88
To Delete a Specific Data ............................................................................................................. 89
View Call History ........................................................................................................................... 91
To Make a Call from History ......................................................................................................... 92
To Delete All Data ......................................................................................................................... 92
Menu List for DT750 ..................................................................................................................... 95
Key Operation Chart ............................................................................................................... 99
System Information ............................................................................................................... 100
To LOGIN .................................................................................................................................... 108
To LOGOUT ................................................................................................................................ 110
TABLE OF CONTENTS
iii