To change the next calibration date in PAT meters, you must.
| Model | hasło |
| PAT-815 | KRU4321CZEK |
| PAT-820 | KRU4321CZEK |
| PAT-85 | KRU1234RAN4321 |
| PAT-86 | KRU1234RAN4321 |
Change date:
Meter configuration->service
Enter the password, confirm with the "enter" button
Set the date and confirm with the "SET" button
