KERN PCD 300-3 Mode D'emploi page 60

5.3 Mains connection
Power is supplied via the external mains adapter. The stated voltage value must be
the same as the local voltage. Only use original KERN mains adapters. Using other
makes requires consent by KERN.
5.4 Operation using a rechargeable battery (optional)
Lift-off the battery cover on the lower side of the balance. Connect 9 V compound
battery.
Replace the battery compartment cover.
For battery operation the balance has an automatic switch-off function which can be
activated or deactivated in the menu.
 In weighing mode keep the PRINT key pressed until "Unit" appears.
 Press MODE key repeatedly until „AF" appears.
 Use the SET key to confirm.
 Use the MODE key to choose between the two following settings:
In order to save the battery, the balance switches automatically
„AF on":
off after 3 minutes without weighing.
Switch-off function deactivated.
„AF off":
 Use the SET key to confirm selection. The balance returns to weighing mode.
12 PCD-BA-e-1615