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Fisher F44

Fisher F44
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Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Consult the dealer or an experienced radio/TV technician for help.
CE
The manufacturer declares that the minimum ESD performance criteria is 1) the unit shall not
be permanently damaged and 2) operator intervention is allowed.
This product is RoHS compliant.
This product meets the requirements of Industry Canada: CAN ICES-3 B/NMB-3 B.
26
TROUBLESHOOTING GUIDE
SYMPTOM CAUSE SOLUTION
Detector chatters, Using detectorUse detector
beeps erratically indoors outdoors only
or has low Using detector near Move away
sensitivity power lines
from power lines
Using 2 detectors in Keep 2 detectors
close proximity at least 6 meters
(20’) apart
Environmental Reduce sensitivity
electromagnetic until erratic
interference signals cease
Low speaker
Discharged battery
Replace battery
volume
Wrong type of Use alkaline
battery batteries
Display does not lock
Multiple targets
Sweep coil at
on to one Target-ID present different angles
or detector emitsHighly mineralized Move to a
multiple tones soil different area
Sensitivity set
too high Reduce sensitivity
No power, no sounds
Dead battery Replace batteries
Cable not
Check connections
connected securely
Do not mix old and new batteries. Use alkaline batteries.
Do not mix alkaline, standard (zinc-carbon), or
rechargeable (NiCad, NiMH, etc.) batteries.

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