900 MHz Cordless Telephone User Guide 31Programming Your HandsetThe 900 MHz handset has 6 programmable functionkeys (F1 to F6).The F1 to F4 keys are back lighted, so these keyscan be programmed as Feature Function (FF) keys.Note: When used with the DBS 96/72/90 andthe DBS 824, LED indications of calls are onlyavailable if the handset and desk telephone FFKeys are programmed as CO keys.Note: For detailed programming instructions,see your key telephone user manual. A large-display key telephone is recommended forprogramming.1. To enter the 900 MHz handset programmingmode from standby mode, press and hold theand # buttons. While holding those buttons,press the TALK button. You will hear a beepF5F4F3F6F1F2*