Function 25
6.13 Software Update The operating software on Sartocheck
®
4 plus Filter tester is updated with a
corresponding program run with an external PC|laptop. The Management Unit
may be updated with an SD card. Since the configuration data are localized in
a battery-backed RAM, they remain unchanged during any software update.
6.14 Serial Number Every unit bears its own unique serial number. The serial number may not be changed
during a software update.
t The serial number is entered for the first time during production of the unit.
t If the PCB has to be replaced during repairs that may arise later,
the unit must be assigned the exact same serial number that is imprinted
on the manufacturer’s label.