Silvercrest SCAZ 5.00 A1 - Manual (Page 47)

SCAZ 5.00 A1 The Menus
English - 45
Language
Here you can set the menu language (see also page 26 – Setting the
Menu Language).
Frequency
Select the mains frequency to avoid any interference caused by
fluorescent lighting. A mains frequency of 50 Hz is used across Europe; in
America the mains uses a frequency of 60 Hz. Use the navigation button
(5) to select the desired icon and then press the navigation button to
confirm.