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66250756-EN - V2.1 - 05/11/19
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4000 Series GSM Lite Audio Intercom - Technical Manual
4000 Series GSM Lite Audio Intercom
PANEL CARE
The door panel’s facia is either a stainless steel mirror or matt finish, or matt finish aluminium.
It is important that the facia is cleaned on regular occasions to prevent dirt build up and
tarnishing of the metal.
A clean and soft cloth can be used with moderate warm water or non-aggressive cleansers.
Additional care should be taken to follow the grain of the metalwork when polishing panels
with a matt finish and always only polish in one direction to avoid light scratching of the
plate, see
Fig29
. Also try to avoid any polish build up around the panel’s buttons which may
prevent the buttons from operating correctly.
DO NOT USE ANY OF THE FOLLOWING:
• Abrasive liquids;
• Chlorine-based liquids;
• Metal cleaning products (including Sidol stainless steel cleaner as this can affect the
etching and/or engraving);
• Hydrochloride bleaches.
Fig. 29
IMPORTANT NOTE: IT IS IMPORTANT TO REGULARLY MAINTAIN THE “UP KEEP” OF THE GSM LITE PANEL (CLEANING
AND GENERAL MAINTENANCE ETC.) ANY FAULT OR DAMAGE THAT MAY OCCUR TO THE GSM LITE PANEL DUE TO
THE LACK OF CLEANING AND MAINTENANCE IS NOT THE RESPONSIBILITY OF VIDEX.
General Directions for Installation