5• Keys And PartsDT310/DT710(2-Button without LCD)(1) Call Indicator LampLamp at top corner of DT Series Display flashes when a callterminates to the terminal. Lamp lights steadily when amessage has been left.(2) Programmable KeysThese keys can be programmed as Flexible Linekey/Programmable Feature Key by TelephonyServer Administrator.When Telephony Server Administrator sets “One-Touch SpeedDial key” on the programmable keys, users can assign anynumbers (ex. Telephone number, etc.) to the key (up to 24digits).* For the assignment of the keys, confirm to theTelephony Server Administrator.(3) RecallPress key to finish the call and hear the dial tone.(4) FeatureUsed to activate any features as terminal setupfunctions, etc. and to program One-Touch SpeedDial Keys.(5) Redial(Last Number Call, Speed Calling-Station/Group) Press key toactivate redial feature. Press redial and scroll back throughnumbers that have been dialed.(6) ConfPress key to establish a three-way conversation. LED on keylights when key is active.(7) AnswerWhen LED on this key is lit, press key to answer a waiting call.(8) MicPress key to respond hands free. LED on this key lights duringspeakerphone operation.