HARMONIC LOCATOR PROBE: LINE TRACING AND TAP DETECTION
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HLP Controls
POWER – The POWER button serves two purposes: Turn power off/on or
return to normal operation.
UP – Used to increase the volume.
MODE – The MODE button is used to select mode of operation
DOWN - Used to decrease the volume.
Figure 2: Control Buttons
HLP Modes of Operation
The Harmonic Locator Probe (HLP) has three operation modes (Combination Mode, Tracing
Mode, and Device Detection Mode) detailed below:
1. Combination Mode
There is a combination mode that the unit defaults to upon the first time
power is applied. In this mode, the receiver will oscillate between
TRACING and DEVICE DETECTION. Each column will change accordingly
to the RSSI for that frequency. In this example, both the fundamental
(225kHz) used for line tracing and the secondary (450kHz) have a similar
RSSI level. This indication is typical of a situation where the HLP is close
to a semiconductor on the line of interest. See Figure 3. You will also be
able to hear the audio tone if the user chooses to enable it on the TALAN.
Figure 3: Combination MODE locating a Semiconductor
If there is no semiconductor or if you are too far away from the
semiconductor (in the combination mode), then the red LEDs will indicate
a minimum RSSI. See Figure 4.
Figure 4: Combination MODE while only tracing
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