Technical Manual

Technical Manual RF Mono
Cross Point Device Explorer v1.4 Page 37 of 47
Settings – Detection sensitivity 7.7.5.1.6
The detection sensitivity setting lets you adjust the overall sensitivity of the RFM antenna
between the values 0 (lowest sensitivity) and 69 (highest sensitivity). When adjusting the
detection sensitivity, the threshold curve should be watched carefully. As long as the
threshold curve is a completely flat line, there is still room for increasing the sensitivity.
Maximum detection sensitivity is reached when 50% of the threshold curve is flat and the
other 50% is raised. Adjusting the Detection sensitivity any further will not make the
system more sensitive for tags.
Never adjust the antenna too sensitive, as this will result in false alarms!
Remove the noise sources that interfere with the system or move the
antennas as far as possible away from noise sources.
Settings – Timeslot 7.7.5.1.7
The RFM antennas are based on pulse-listening technology, which means a transmission
burst is followed by a reception window in which a potential tag signal can be detected.
The RFM system is divided into two timeslots, to avoid that the alarm will be triggered on
antennas installed next or close to each other when a tag is moving close to one of these
antennas.
In case only one RFM antenna is installed without any other RFM antennas within 3.5
meters distance, it doesn’t matter which timeslot is used. See section 6.2.2 for more
details on how to configure the timeslot settings in a multiple antenna setup.
To convince yourself that all antennas are set to the correct timeslot, you can use the
“Locate device” feature on each antenna and visually check if the correct antenna lights
up.