Power Probe PP3 Benutzerhandbuch Seite 10

pp3
MODES
The Power Probe I I has been designed to work the same as the previous
Power Probe circuit testers Using the advanced features and modes is
optional However, understanding them will expand your diagnosing
capabilities. The LCD display indicates voltage levels of the circuit along
with an identifying symbol showing you what mode it is in. The additional
features contain 5 new modes which give you specific information about
how the circuit is reacting
The 5 Modes can be accessed by depressing the Mode
button and cycling through each one.
Mode #1 Power Probe
While the PP3 is in "Power Probe Mode" and the probe tip is floating (not
contacting a circuit), the LCD backlight is on but the display is blank. If the
audio tone is turned on you will see a speaker symbol in the lower right
corner of the display. Once you contact the probe tip to a circuit the LCD
display wil indicate the average voltage level of the circuit. The red/green
polarity indicator (See section Red/Green Polarity Indicator and Audio
Tone) wil respond also, showing weather the circuit is positive or negative
A secondary feature in this mode is the peak to peak threshold detection
and signal monitoring. When contacting a signal generating circuit such as
a speaker wire With audio signals on it, the PP3 detects the peak to peak
signals and displays the peak to peak voltage on the display, the sound Of
the signals will be monitored and heard through the PP3 speaker The
peak to peak threshold levels are pre-selected by the operator in "Mode
5". See Mode #5 for more information on setting threshold levels. Placing
the PP3 probe tip next to a sparkplug wire (NOT probing it directly), allows
you to monitor the sound of the ignition pulses at the same time display a
peak to peak reading The PP3 senses the pulses in ignition wires through
capacitive coupling (DO NOT CONTACT PROBE TIP DIRECTLY TO THE
SECONDARY IGNITION CIRCUIT)
By monitoring each plug wire in this way you can locate missing cylinders.
Mode #2 Negative Peak Mode:
The Negative Peak Mode monitors a positive circuit and captures the
owest voltage that it has dropped to. To do this: Place the PP3 in
"Negative Peak Mode" by pressing and holding the mode button for 1
second until you hear a ow pitched beep and the LCD display indicates a
negative (minus) sign in the ower left corner.
The display should also indicate a reading Of '0.0" with the probe floating
(This is because no vo tage is present). Probe the positive circuit you want
to test and tap the mode button once. The LCD display will show the
owest detected voltage Of the circuit. If the circuit drops in voltage at
anytime, a new lowest reading will be captured and displayed. You can
then do a quick tap of the mode button once again to reset the LCD
display and indicate the new voltage level on the circuit
Reset the LCD display by doing a quick tap of the mode button as often as
necessary
Mode:
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