Locking /Setting The Sensitivity Of Short/Grounded Circuit Signal; Locking /Setting The Sensitivity Of Open Circuits - Power Probe ECT3000 User Manual

Locking the Sensitivity for Short/Grounded Circuits
To lock the receiver's sensitivity for short/grounded circuits, it must be turned on
and in "pulse mode". Hold the "Open & Short Pick-Up" of the receiver parallel and
as near to the wire as you can while achieving the most rapid pulse rate. (See: Fig.
A) Now press the "Sense Lock/Sense Low button". The receiver is now locked into
the strong "Grounded Circuit signal" and will ignore weaker parallel circuit sig-
nals. If you need to readjust the receiver's sensitivity so that it will pick up weaker
circuit signals and be more sensitive, press the "Power On/Off / Sense High" button
to return to increase sensitivity.
Locking the Sensitivity for Open Circuits
To adjust the receiver so that it is at its most sensitive setting in open circuit trac-
ing. First turn on the receiver. It is now in "pulse mode". Hold it as close to the
open circuit as you can while receiving the most rapid pulse frequency.
Now lift the receiver about 4 inches away from the circuit and press the "Sense
Lock/Sense Low" button. (See: Fig. B) At this level you should be able to pick
up the open circuit signal in that circuit and eliminate other signals that could be
capacitive coupling into neighboring floating circuits and causing you problems.
If you need to adjust the receiver so that the reception sensitivity is more sensitive,
press the "Power On/Off / Sense High" button or the "Sense Lock/Sense Low"
button to adjust sensitivity up or down. Adjust until you achieve the proper setting
for your application.
14
Fig. A
Fig. B
Close distance for
Short/Complete
circuits.
6" to 10" from the wire
for open circuits.