These instructions are for REPLACING the application via Modem, you can opt to download via IP.
Other Modem options are New the application and Update the application.

Terminal Displays	Action Taken
COMMSERVER  GIFT/LOYALTY	Simultaneously press the [F2] & [F4] buttons.
SYS MODE ENTRY  PASSWORD   ____________________	Key in 1, Alpha, Alpha, 66831.
SYS MODE ENTRY  PASSWORD   * * * * * _____________	Press the Green [Enter] button.
SYS MODE MENU 1                 EDIT PARAMETERS  DOWNLOAD  RESTART  ▼	Press the [F3] button.
SYS MODE DOWNLOAD    GROUP ID: _1	Key in 6.
SYS MODE DOWNLOAD    GROUP ID: _6	Press the Green [Enter] button.
GROUP 6 PASSWORD    __________________	Key in 1, Alpha, Alpha, 66831.
GROUP 6 PASSWORD     * * * * * _____________	Press the Green [Enter] button.
SYS MODE DOWNLOAD           G 6   FULL  PARTIAL  ▼	Press the [F4] button.
SYS MODE DOWNLOAD               G 6  * * * * WARNING * * * * ALL FILES WILL BE CLEARED FROM GROUP 6CANCEL DOWNLOAD  CONTINUE	Press the [F4] button.
SYS MODE DOWNLOAD            G 6   MODEM  COM1  TCPIP  ▼	Press the [F2] button.
SYS MODE DOWNLOAD           G 6  *ZA =   SCRMI340G                           *ZP =   18778613835                         *ZB =   500                               EDIT  *ZT =   123456                     START	Press the [F3] button.
SYS MODE DOWNLOAD            G 6    *ZA      ENTER APPLICATION ID       SCRMI340G _____	Using the Yellow [Backspace] button, key in UCRMI340G.
To key in a letter, press the numbered button with the desired letter on it and then press the [Alpha] button until you get the desired letter.     NOTE: The letters Q & Z are located on the number 1 button.
SYS MODE DOWNLOAD            G 6    *ZA      ENTER APPLICATION ID       UCRMI340G ______	Press the Green [Enter] button.
SYS MODE DOWNLOAD            G 6    *ZP      HOST PHONE NUMBER       18778613835____       _______________	Using the Yellow [Backspace] button, key in 18778613835, or 918778613835.
SYS MODE DOWNLOAD            G 6    *ZP      HOST PHONE NUMBER       18778613835____       _______________	Press the Green [Enter] button.
SYS MODE DOWNLOAD            G 6    *ZT      ENTER TERMINAL ID       123456 _________	Using the Yellow [Backspace] button, change the value to the 6-digit or 7-digit TID.
SYS MODE DOWNLOAD            G 6    *ZT      ENTER TERMINAL ID       1234567_________	Press the Green [Enter] button.
SYS MODE DOWNLOAD             G 6  1000  SELECT BLOCK                       500  SIZE FOR                                  240  DOWNLOAD                        OTHER	Select:   1000 - Default.     500 - Recommeded if downloading via Digital Phone Line.     240 or OTHER - If having trouble downloading, decrease the packet to a smaller size.
SYS MODE DOWNLOAD            G 6  *ZA =   UCRMI340G                            *ZP =   18778613835                         *ZB =   500                               EDIT  *ZT =   1234567                   START	Press the [F4] button.
SYS MODE DOWNLOAD            G 6   GID: 6    APP ID: UCRMI340G    STATUS: CONNECTING. . . .	The terminal will now connect to the host to download the new application.
SYS MODE DOWNLOAD              G 6   GID: 6    APP ID: UCRMI340G    STATUS: DOWNLOADING. . . .	You will see ten Dashes on the screen. As the download completes, the dashes will begin turning into Asterisk. Each Asterisk [*] represents 10% of the download.
SYS MODE DOWNLOAD              G 6   GID: 6    APP ID: UCRMI340G    STATUS: DOWNLOADING. . . .     DOWNLOAD DONE	Press the Green [Enter] button.
COMMSERVER  GIFT/LOYALTY  CHECKS	The terminal is now ready to process checks using the new application.