Installation Guide
5
The following can also affect successful operation of the system
• Metal doors and shutters.
• Walls with aluminium foil insulation.
• Concrete or galvanized metal walls.
The effective communication range is 100m in free air space (line of sight). This
range will be signicantly reduced by the number and thickness of walls through
which the signal is required to pass - please keep to a minimum wherever possible.
This unit shares a frequency band with a wide range of equipment: i.e. industrial,
scientic and medical equipment, licensed and unlicensed low-power radio
transmitters such as those used for RFID applications in factories/warehouses
and amateur radio stations. Before use please conrm that no such equipment is in
use in your vicinity.
In the event that this unit causes unwanted interference to such device, please
discontinue use immediately and contact the customer service center for
consultation on interference avoidance measures.
Privacy & portrait/image rights
• Please respect the privacy and image rights of others when using this
equipment. By using this equipment the user assumes total responsibility in
upholding these rights.
• Images stored must not be used for any purpose other than that for which the
equipment is designed.
• Images should be deleted once no longer required - see page 19 for details of
how to delete the stored images.
About the radio frequency transmitter
• This unit transmits a wireless signal in the frequency range 2.4
- 2.4835GHz.
• The modulation system is GFSK and the interference-causing
radius is 80m.