RFL 9780 RFL Electronics Inc.
April 8, 2003 4-11 (973) 334-3100
4.7.9 UNBLOCK SECURITY TIMER AND UNBLOCK TRIP WINDOW TIMER
The unblock security timer is configured using SW4-1 through SW4-3 on the Logic Module. The
unblock trip window timer is configured using SW3-1 through SW3-3. To disable the unblocking
functions, turn off SW4-1 through SW4-3. See Paragraphs 6.3.7 and 6.3.5 for more information.
When using the unblocking feature, switch SW2-1 on the Logic Module can be used to select the
criteria for a trip restore. The unblock restore criteria can be selected as either 50 msec of valid guard
or clear channel.
4.7.10 BI-POLAR NOISE DETECTOR
The bipolar noise detector is used to automatically extend the pre-trip timer. The amount the pre-trip
timer is extended is determined by switches SW1-1 through SW1-3 on the Logic Module. Turning all
of these switches off disable the bi-polar noise feature. See Paragraph 6.3.1 for more information.
4.7.11 CARRIER ENVELOPE NOISE DETECTOR DISABLE
The carrier-envelope noise detector can be disabled by setting switch SW8-1 on the logic module to the
OFF position. See Paragraph 6.3.16 for more information.
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