I have a dsx 80 that i am trying to do company speedials and personal speed dials. The manual says to dial #77 and sp bin number 201 etc for company sd. It says to dial #77 701 to 720 for personal sd. If i dial #77, the display says 71. personal speed dial. What am i missing here. even if i dial 201 , 202 etc it says 01 for personal speed dial. Thanks