138 | Tourguide 2020-D
Care and maintenance
Care and maintenance
CAUTION
LIQUIDS CAN DAMAGE THE ELECTRONICS OF THE DEVICES!
Liquids entering the housing of the devices can cause a short-circuit and dam-
age the electronics�
Keep all liquids away from the devices�
Before cleaning, make sure that all devices are switched off and unplugged
from the power supply�
Only clean the plastic surface of the L 2021-40 charger using a dust-free and
dry cloth�
Use only a soft and dry cloth to clean the devices�
Cleaning the earbuds of the HDE 2020-D-II
Carefully pull the earbuds off the receiver�
Clean the earbuds e� g� with warm, soapy water and rinse them well�
Dry the earbuds before putting them back on the receiver�
Note:
For reasons of hygiene, you should replace the earbuds from time to time