TI01-2ENG-REV13
8 of 8
Troubleshooting
Problem
Possible Causes
Solution
Unit does not turn on
Battery not installed
Install 9V alkaline battery
Battery installed incorrectly
Check polarity
Battery dead
Install new 9V alkaline battery
Power switch isn’t ON
Push switch in to turn ON
Problem with internal circuitry
Return to factory for repair.
NOTE:
Do not attempt repairs,
disassemble or alter unit as this will void your warranty.
No dust prints on pickup mat
There were no dust prints present
N/A
Lifting mat didn't draw down completely to
surface
Check positioning of brass contacts between the mat
and ground plane
Increase voltage setting
Brass contacts positioned incorrectly
Check positioning of brass contacts between the mat
and ground plane
Lifted dust prints are very light
Lifting mat didn't draw down completely to
surface
Check positioning of brass contacts between the mat
and ground plane
Increase voltage setting
Brass contacts positioned incorrectly
Check positioning of brass contacts between the mat
and ground plane
Not all dust offers high contrast
Darken room and use oblique lighting to examine
sion purposes. Secure the pickup mat (black side up) inside the transportation box
with tape as shown to the right (Fig. 6) and seal the
box with three evidence integrity seals. Affix the evi
-
dence identification label to the outside (Fig. 7) and
complete the information for transportation to the lab.
References
Bodziac, William J.,
Footwear Impression Evidence,
New York: Elsevier Science Publishing Co.: 1990, p103
Saferstein, Richard, Ph.D.,
Criminalistics, Sixth Edition,
New Jersey: Prentis Hall: 1998, p324
Crime-Scene-Investigator, Dwayne S. Hilderbrand, CLPE:
Footwear, The Missed Evidence,
<
http://www.crime-scene-investigator.net/footwear.
html
> February 2009
FIGURE 7
FIGURE 6