- 22 -7-5. Individual function test1) Series testThis test will perform the following tests in series.1. Display test (All dot and segment trun on.)2. RAM read after write test (one time)3. Print test (one time)4. Time display test5. Drawer open test6. Receipt issue test7. Display test (1234567890 display)Operation : X 1 #2 KeyFunction X : 0= Automatic RAM capacity detection1= RAM1 (128K) test only3= RAM3 (512K) test onlyNOTE: RAM2 and RAM4 are not used for CE-T300 .[PRINT] [DISPLAY]NOTE : In case of error, the following error message will be printed.RAM1 128K WR ERR!! 00 000000 -----------When the write error is happened.Error Bank and AddressRAM1 128K RD ERR!! 00 000000 ------------When the verified data error is happened.FLASH SUM ERR!! 1234 ------------Check sum of Flash1 is not "FFFF".Caliculated check sum