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[ 5 ] FLASH CHECK SUM [Function] CHECK SUM test for FLASH ROM is performed. The area which can be checked is only the code area. The area range depends on the code capacity. [Operation] Operation : n 5 1 2 SUBTOTAL n: 0 = One time check (can be omitted) not 0 = Continuous check (To stop the test, press “Esc” key) [LCD] FLASH n512 FLASH CLR OK END n512 Displays only OK or NG, displays no address [PRINT] FLASH n512 FLASH CLR OK END n512 Displays only OK or NG, displays no address [ 6 ] FLASH CLEAR & WRITE/READ test (no BACK UP) [Function] The CLEAR & WRITE/READ test for FLASH MEMORY is performed. After deleting the memory by CLEAR, WRITE/READ test is performed. NOTE: IPL becomes necessary again after the test since this test cannot make a backup copy of the program. The program is also deleted if the memory inside the FLASH is deleted by the CLEAR test. [Operation] Operation : n 6 1 2 SUBTOTAL n: 0 = One time check (can be omitted) not 0 = Continuous check (To stop the test, press “Esc” key) [LCD] * The counter is displayed which indicates that the FLASH test is in progress. FLASH n612 FLASH WR ERASE PGM OK END NG and the address are displayed if WRITE cannot be done normally. n612 [PRINT] FLASH n612 FLASH WR ERASE PGM OK END NG and the address are printed if WRITE cannot be done normally. n612 — 47 —