DeFelsko PosiTest LPD Notice D'instructions page 8

7. Move the sponge over the coated surface at a maximum rate of
0.3 m/s (1 ft/s) and apply sufficient pressure to maintain a wet
surface. If the sponge contacts a pinhole in the coating, all
display LEDs will illuminate and an alarm tone will sound. Alarm
will stop when the sponge is moved away from the pinhole.
8. Precisely locate the pinhole by using a corner of the sponge.
NOTE:
Sponge life depends on use and the abrasive nature of the
surface being tested. Replacement sponges are available with a
comprehensive selection of Accessories (see pg. 8)
PosiTest LPD Control Panel
Buttons:
• Press once to power-up the detector. A self-
Power
test of the 4 test voltages is performed. This
is indicated by a fast flash of each voltage
setting indicator. The self-test should take
approximately 2 seconds to compete. If the
self-test fails, the detector will flash all the
LEDs, sound the alarm then power off.
NOTE:
To conserve battery life, the PosiTest
LPD automatically turns OFF after 5 minutes of no
activity.
• Press and briefly hold to check the battery
status on the LED display.
• Press and hold for 3 seconds to power-down.
Selected Voltage and Audio Alarm settings
are retained.
NOTE:
The self-test can fail if performed while
the sponge/base tube is in contact with a
grounded surface.
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