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1
IMPORTANT
CAUTIONS
Read this instruction carefully to avoid any malfunction. The information shown in this manual
serves only as a reference for the product. Due to updates there may be differences. Please check our
website
www.steren.com
for the most recent version of this manual.
1) Interference prevention:
Numerical Access Control Card / RFID operates at 125 kHz frequency. These precautions are needed
at installation:
a)
Make sure the installation site is not affected by low frequency electromagnetic waves, especially
in the 100-200kHz range.
b)
If there are more than one Access Control operating in the same frequency, make sure they are
separated by at least 60cm to avoid interference.
2) Short circuit prevention:
Avoid touching live parts of the circuit during installation. To get around this:
a)
Do not apply power to the device during installation.
b)
Check that all cables are properly connected before applying power to the circuit.
3)
This device is not intended for use by persons (including children), whose physical, sensory or
mental abilities are different or reduced, or lack experience or knowledge.
4)
Children should be supervised to ensure they do not use the device as a toy.