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Global Test Supply TW-82P Quick Start Manual
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Global Test Supply TW-82P Quick Start Manual

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TW-82
Find Quality Products Online at:
P
RECEIVER
TW-82P Receiver
CONTROL PANEL
1. Press-and-Hold to turn ON.
2. Press-and-Hold to turn OFF.
3. Choose Metric/Imperial unit of measure (see instruction p17).
Press to select volume settings
• In Standard and Lateral Modes, tap
the button to adjust volume:
1. Mute
2. Low Volume
• In Passive Power Mode, no mute is available.
Only volume settings 2, 3 & 4 are available.
Press to select from any of 3 modes
Standard
Adjust GAIN in Passive Power Mode
These keypads have no function in the Standard or
Lateral Modes.
GlobalTestSupply
www.
8
3. Medium Volume
4. High Volume
Lateral
Passive Power
.com
sales@GlobalTestSupply.com

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Summary of Contents for Global Test Supply TW-82P

  • Page 1 TW-82 RECEIVER TW-82P Receiver CONTROL PANEL 1. Press-and-Hold to turn ON. 2. Press-and-Hold to turn OFF. 3. Choose Metric/Imperial unit of measure (see instruction p17). Press to select volume settings • In Standard and Lateral Modes, tap the button to adjust volume: 1.

  • Page 2: Standard Mode

    TW-82P RECEIVER STANDARD MODE In this default configuration, the TW82P Receiver requires no operator intervention to trace a line under most circumstances. Only the volume can be adjusted in this mode. The following values & conditions are displayed on the LCD display...
  • Page 3 TW-82P RECEIVER STANDARD MODE continued Audio: When you move within a 45º angle of the center of the electromagnetic field, the audio pitch will change; the pitch increases as you approach the utility. Outside the 45º zone, the pitch does not change.
  • Page 4 TW-82P RECEIVER STANDARD MODE continued 5.Depth: The depth reading is only accurate if the electromagnetic field is perfectly round. current The electromagnetic field must have enough energy for the Receiver to accurately calculate the depth. The weaker the signal strength, the less reliable the depth indicator. For this reason, depth readings for inductively located utilities will tend to be less accurate than conductively located ones.

  • Page 5: Lateral Mode

    TW-82P RECEIVER LATERAL MODE At some sites, utility lines branching off from a main line may be difficult to trace using the Standard Mode. In these circumstances, use the Lateral Mode. At such sites, the signal from a main line is so strong that it overwhelms the single from a lateral line.
  • Page 6 TW-82P RECEIVER LATERAL MODE continued Press to enter Lateral Mode. will appear on the LCD display. LATERAL TRACING OPERATION While tracing a line using the Lateral Mode, the display will appear as illustrated below. The SIGNAL number indicates the strength of the field emitted by the buried line.
  • Page 7 TW-82P RECEIVER PASSIVE POWER MODE While the Standard and Lateral Modes use the 82kHz signal injected by the Transmitter, in some cases it is desirable to locate buried utilities by tracing electric power currents running through them. Buried utilities may be energized by the electric power currents...
  • Page 8 TW-82P RECEIVER PASSIVE POWER MODE continued Operating Controls Press to enter Passive Power Mode The display will appear as illustrated to the right. Press to increase gain. Press to decrease gain. Press again to exit Passive Power Mode. Locating Procedure 1.
  • Page 9 TW-82P RECEIVER PASSIVE POWER MODE continued Grid Search: To ensure complete coverage of the area, map out a grid of intersecting lines covering the search area. Walk the grid at intersecting right-angles. Power lines will be detected when the blade of the Receiver is perpendicular to the utility.
  • Page 10 TW-82P RECEIVER AUTO POWER-DOWN, RECEIVER When 90 minutes have passed without the operator pressing any control buttons, the Receiver will automatically power down. • Lower left of the display will indicate “OFF”. • Lower right of the display will count down from 10 to 0.

  • Page 11: Specifications

    SPECIFICATIONS RECEIVER Frequency ........82.175 kHz Standard Mode ......Automatic response Lateral Mode ........ Programmable Left/Right Guidance ..... Audible and visual Azimuth Indicator ......Visual Over-Target Indicator ....Visual and audible Battery Status ......Visual Signal Strength Indicator .... Numeric display & audible Signal Current Measurement ..