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After a fault is found and pinpointed, move the 3M
™
Dynatel
™
Earth Contact
Frame about one frame width away from the fault and insert it in the ground
with the green-banded leg towards the fault. Compare the numeric signal level
with the fault level reference indicated in the lower left box labeled REF. If
the reading is within 12 dB of the reference, the operator has found the major
fault. If the fault reading does not fall within 12 db of the reference reading,
multiple faults may exist. The signal level of this secondary fault can be saved
by pressing Fault 1 [SK] or Fault 2 [SK]. The fault with the highest reading
will be the primary fault.
3M
™
ELECTRONIC MARKERS AND 3M
™
EMS-ID MARKERS
Enabling/Disabling Marker Types
Menu [6] + Setup [SK] + Marker Type [SK]
The unit will default with all markers enabled (✓).
Press the up/down arrows [SK] to highlight a utility to enable or disable.
Press Enabl/Disabl [SK].
Only the markers that are enabled (
✓) will be available in the locate mode.
Press OK [5] to save settings or Exit [SK] to cancel.
Locating 3M
™
EMS Markers
Alert Mode (
3M
™
Dynatel
™
Models 2250M-iD and 2273M-iD only)
While tracing a cable or pipe, it is possible to search for markers.
Press Alert [SK].
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