3.5 Maintenance
Cleaning
If used frequently, the intercom gets dirty. To clean it, use a piece of soft cloth
moistened with clean water. We recommend you to obey the following principles
while cleaning:
Never use aggressive detergents (such as abrasives or strong disinfectants).
Alcohol-based cleaners may be applied.
Clean the device in dry weather in order to make waste water evaporate quickly.
Future Tag Replacement, Programming Changes
For necessary steps refer to the preceding subsections. Keep the following for future
changes:
This manual
Unused transparent foil strips for button tags
Caution
Always use the product for the purpose it was designed and
manufactured for, in compliance herewith.
The manufacturer reserves the right to modify the product in order to
improve its qualities.
2N Helios
®
contains no environmentally harmful components. When
Uni
the product's service life is exhausted and you would like to dispose of it
please do so in accordance with applicable legal regulations.
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