Sennheiser HDV 820 Guida Rapida página 27

Cleaning and maintaining the
HDV 820
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit
and damage the electronics.
▷
Keep all liquids far away from the product.
▷
Do not use any solvents or cleansing agents.
▷
Disconnect the product from the power supply system before
cleaning.
▷
Clean the product with a soft, dry cloth (supplied).
Installing firmware updates
The DAC (digital-to-analog converter) firmware can be updated
H D V 8 2 0
using the free of charge "Sennheiser HDV 820 Updater" program.
The program can be downloaded from the Internet at www.sennhe-
iser-hearing.com/download or be obtained from your Sonova Con-
U P D A T E
sumer Hearing partner. The program is available for Windows and
Mac operating systems.
▷
Make sure that the HDV 820 is connected to your Mac or PC via
USB and that it is switched on.
▷
From Windows or MacOS, start the "Sennheiser HDV 820
Updater" program and follow the instructions on the screen.
▷
The program automatically checks if the new DAC firmware is
compatible with your HDV 820. If this is the case, the program
guides you through the installation steps and then confirms suc-
cessful installation.
Cleaning and maintaining the HDV 820
HDV 820 | 23