ー 39 ーReplacement of SD card, and operation procedure at time of failureVarious procedures● Description of operation procedureAfter inserting the media correctly in SD device 1 and SD device 2, follow the procedure described below, andexecute by pressing the 1 “Database switch” or 2 “Copy SD card” button.After pressing the button, execute the process according to the screen message.1 Database switchChange the settings so that SD device 1 (with SD card inserted) is the master database, and SD device 2 isin replication database mode.SD insertion (○: insert) State of the database mode of the SD card after database switch processSD device 1 SD device 2 SD card of device 1 SD card of device 2○ ○ Master database Replication database○ × Master database -× ○ - -* Regardless of the SD card type (SLC/MLC), the database mode will be set according to the devices where theyare inserted.2 SD card copyThe contents of the SD card inserted in SD device 1 will be completely copied to the SD card inserted in SDdevice 2.* The unit cannot be operated with just copying. Follow the procedure to change the database mode correctlyusing the “database switch” process.3 USB output (* not used in the SD card exchange process)Back up (extract) only the master database of SD1 onto the USB memory device.* Insert the USB memory device correctly in the front USB terminal. (The side USB port can not be used)* You can not restore from this backup (extracted) database file.* Do not use this output function unless it is necessary.