PAGE 48 Metor 6M
Installation and Operating Manual
9. METAL DETECTION PARAMETERS 92102916 REV 5
Random Alarm for Alarming People
The random alarm for alarming people (RDN/ALM) is based on groups of 100
alarming people passing through the detector. The number of random alarms is a
set percentage of every group of 100 alarming passes. Random alarms are
generated with a 1% accuracy.
E.g. Out of 1000 passes 100 people cause alarms. If the random for alarming
people is set to 10 %, 10 people out of the 100 will cause a random alarm.
The count for 100 alarming passes is cleared every time when the counters are
cleared, MetorNet counter clear command is received or the random alarm rate is
adjusted.
Before random alarm is activated normal alarm is given for a short period of time.
Random alarm for alarming people is indicated by:
• Flashing red light on the display unit
• Showing the alarm on the display according to the 1.7.5 RND DISPLAY setting
• Sounding an audible alarm, tone and volume depending on parameter settings
on 1.7.3 RND TONE and 1.7.4 RND VOLUME
• Lighting up the whole zone display
NOTICE
When using random alarms Decrease Mode should be set OFF as decreasing
passenger counter interferes with random alarm calculations.
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