Operation: Part 2

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Dynamic Overload Protection™

Dynamic Overload Protection™ (DOP) allows you to locate accurately in areas with high levels of electromagnetic interference, such as sub-stations and beneath high-voltage transmission lines. DOP works by disregarding signal spikes that would otherwise overwhelm the RD5100S locator’s digital signal processor. DOP is an integrated feature of all RD5100S locators. No action is required by the user.

NOTE: In cases of high levels of electromagnetic interference, the DOP will not be able to prevent the RD5100S from becoming overloaded. If the RD5100S becomes overloaded, users will be alerted by a flashing mode icon. Depth measurements will be disabled in the event of an overload.

 

Locator key actions

Key Short press Long press
mceclip0.png Enter the menu Switch power off
mceclip1.png Scroll through locate frequencies from low to high -
mceclip2.png Increase and decrease gain. RD5100S automatically sets gain to mid-point when pressed

Rapidly increase and decrease gain steps in 1dB increments

 

Antenna modes

The RD5100S system supports up to two antenna modes, exclusively dedicated to locating sondes, and to suit your particular application or the local environment. These are:

  • Peak+ Guide mode
  • Guidance mode

To switch between antenna modes, press and hold the ‘f’ key until the antenna mode switches to the desired mode.

Peak+™ Guide mode

Combines the accuracy of the Peak bargraph with left and right proportional guide arrows.

The left and right proportional guide arrows become shorter as the locator approaches the sonde, providing a quick visual indication of the direction to the sonde, and are designed to get you close to the Peak position faster, before using the Peak bargraph to pinpoint the sonde.

To use Peak+ Guide mode press and hold the ‘f’ key until mceclip3.png is displayed on the LCD.  Use the proportional guide arrows to guide the locator along the path of the sonde, and to accurately locate the center point of the sonde use the Peak bargraph to pinpoint the Peak position.

In Peak+ Guide mode the following indicators are displayed:

  • Proportional left and right arrows
  • Signal bargraph
  • Signal strength percentage
  • Gain
  • Compass
  • Depth

mceclip4.png

Locator in Peak+ Guide mode with 33 kHz standard sonde

 

Guidance mode

Guidance mode offers good performance in distorted fields and provides three indicators to guide the user towards the sonde.

The left and right proportional guide arrows become shorter as the locator approaches the sonde, providing a quick visual indication of the direction to the sonde, and are designed to get you close to the Peak position faster, before using the target position indicator to pinpoint the sonde.

To use Guidance mode press and hold the ‘f’ key until mceclip5.png is displayed on the LCD.  Use the proportional guide arrows to guide the locator along the path of the sonde, and to accurately locate the center point of the sonde use the target position indicator to pinpoint the peak position.

The Signal Strength reading will also reach its maximum value when the locator is positioned above the sonde.

Any deviation from all three indicators showing the sonde position in the same location could signal the presence of a distorted field.

In Guidance mode the following indicators are displayed:

  • Proportional left and right arrows
  • Target Position Needle
  • Signal strength
  • Gain
  • Compass
  • Depth

mceclip6.png

Locator in Guidance mode with 33 kHz standard sonde

 

Compass

The LCD compass provides a visual indication of the direction of the target sonde and is available in all sonde frequencies and antenna modes.

 

 

 

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