CHAPTER 4. MMC Programming OfficeServ 500 Wireless LAN Service Manual/Ed.00Page 4-2 © SAMSUNG Electronics Co., Ltd.1.2 Programming ButtonThe functions of the phone buttons for MMC programming are listed below.Table 4.1 Program buttonsButton Function▲ ▼(Up & Down) Change screenDial key Confirm statusSoft key Move cursorKeypad Select itemSPK key Save data and proceed to next menuHOLD key Delete previous inputTRSF key Enter program1.3 Cautions when Programmingy Programming shall be done in an idle mode where the handset is on top of thetelephone set.y Programming may be done on any extension of a digital phone.y Programming may not be done on a common single line telephone.y For digital phones not equipped with the LCD screen, use the dial key to enterthe numbers in the Description instead of the [▲volume▼] button. But sincethere are no Soft buttons, programming is limited. Therefore, with phoneswithout the LCD screen, program only the Subscriber programs.y When ‘INVALID DATA’ appears on the LCD screen, re-enter the correct data.y When no key is pressed for an amount of time(key program end time, default is60 seconds), programming will end and return to idle mode.y When the handset is lifted during programming, programming will end andreturn to idle mode.y When programming returns to idle mode by pressing the [SPK] key or the[TRSF] key, or by lifting the handset, without confirming the modifieddata(pressing the ‘left’ or ‘right’ key of the ‘Soft’ button), or when the phoneplug is disconnected, the data entered until then and the data on the LCD screenwill automatically be saved as the new data.
