KERN & SOHN WTB 30K-2NM - Manual (Page 19)

 Close the rechargeable battery
cover
 Rotate both levers (1) 90 degrees to
the right
If in the display the triangle appears above the capacity display , the
rechargeable battery is nearly exhausted. Connect power pack, the rechargeable
battery is loaded.
Avoid excess pressure on the balance in order to avoid damaging
it, particularly as it is supported by the weighing plate.
6.3.1 Mains connection during rechargeable battery operation
During the rechargeable battery operation ensure that the mains
connection is covered with a rubber cap.
Only by this the type of protection IP65 is ensured.
19 WTB-N_WTB-NM-BA-e-1421