From below unit, the new software is used.
| model | 
serial | 
| ARTC90LATU | 
T005237~ | 
| ARTC72LATU | 
T006422~ | 
Below is confirmation method
| Before modification software | 
After modification software | 
|
| ① | 
9708460031 | 
9708460048 | 
| ②* | 
F01 | 
F02 | 
*If there is marking like below, it means software was rewrote at factory.