Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
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Pro220K Advanced Tone and Probe Kit Operating Instructions
The model Pro-220K Advanced Tone and Probe kit is designed to find and identify wires and their
terminating point. It consists of the Pro110 Tone Generator, the Pro210F Advanced Tone Probe, and
the Pro21 Carrying Case.
Features on the Pro110 Tone Generator include;
Tone Transmit Indicator LED
AA Battery Powering
Heavy Duty Strain Relief
Short Circuit LED with Audible Alarm
Heavy Duty, Water-resistant Case
Loop for Hook or Lanyard Hanging
Features on the Pro210F Advanced Tone Probe include;
Bright LED Headlight
Wrist Strap
Headset Jack
AC interference Rejection
Volume Control
Battery Installation
The models Pro110 Tone Generator and Pro210F Advanced Tone Probe each require four AA (LR6)
batteries (not included). Remove the battery compartment cover on the back of each unit and install,
being careful to match the correct polarity of the battery and the units. If the batteries have been
installed correctly and turned on, LEDs will light.
Operation – Tone Generator
WARNING - Never connect to live wires greater than 60 volts including 115 or 230 volt AC service.
Connect the model Pro110 Tone Generator to the wire you wish to trace using one of the red or black
alligator clips and leads. When using the clips, you may either connect to a single wire of a pair with
each clip that run together or 1 clip to a wire and one to earth ground. Results vary with each method
so experiment. You can connect to a wall jack using a modular adapter.
Pro220K Operating Instructions
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The black slide switch on the side of the Pro110 operates the unit. Place the switch in the TONE
position slide it down), to send a tracing tone down the connected wire. The LED should blink green,
indicating a tone signal is being sent. You are now transmitting a tracing tone.
To check for short circuits, place the black slide switch in the SHORT position (slide it upward).
Connect it to the circuit you wish to test. If the circuit is shorted, the LED will light solidly red and
an audible alarm will come on.
To turn the unit OFF, slide the black switch to the center or OFF position.
Operation – Probe
To activate the model Pro210F Advanced Tone Probe, push and hold the black on/off button.
Releasing the black button will turn the unit off. To change the volume level, utilize the black wheel
found on the right side of the unit.
The Pro210F Advanced Tone Probe has 2 modes of operation: normal and rejection modes. For
normal mode, do nothing after turning the unit on. The Pro210F automatically defaults to normal
mode. For AC rejection mode (limiting background AC interference), push the on/off button again
and green rejection LED will light, indicating that the rejection circuitry has been activated.
With the probe activated in either mode, attempt to get as close as possible to the far end of the wire
that the tone generator is connected to. The wire emitting the loudest tone is almost always the one
the tone generator is connected to and therefore the one you are seeking. In addition, the second LED
on the probe will light green the closer you are to the target wire. If this light is red, you have a weak
battery.
The rear of the model Pro210F is equipped with a headset jack. If desired, you may insert a headset
into the jack and receive the audio response in that manner.
General
Both the model Pro110 and Pro210F have lanyard capability. For the Pro110, install a string or cord
through the loop at the top and use the strap to hang on a nail or peg. Use this when the unit is
suspended in use to keep the clips from becoming detached. For the Pro210F, use the strap around
the wrist in case the unit is dropped.
Rev 03/14
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
Pro220K Operating Instructions
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