Usually, however, any operation in a family home is possible without any
problems.
If the handset unit does not receive any signal from the caller unit, reduce the
distance between the handset and caller units or perform a pairing process;
see chapter 9. b).
The range may be considerably reduced by:
• Walls, reinforced concrete ceilings
• Laminated/coated insulating glass panes
• Vehicles
• Trees, shrubbery, earth, rocks
• Proximity to metal & conductive objects (e.g. heater)
• Proximity to the human body
• Broadband interference, e.g. in residential areas (mobile phones, radio headphones,
radio speakers, radio weather stations, baby monitoring systems, WLAN router, etc.)
• Proximity to electrical motors, transformers, mains adapters, computers
• Proximity to badly shielded or openly operated computers or other electrical devices
16. Troubleshooting
In purchasing the digital radio intercom, you have acquired a product which uses
the most up-to-date technology available and is operationally reliable. Nevertheless,
problems or faults may occur.
Therefore, we would like to describe here how to eliminate possible faults:
Always observe the safety instructions!
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