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Leica Geosystems DD220 Series - User Manual

Leica Geosystems DD220 Series
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Leica Detection DD Series
Lo
cators & Accessories
User Manual
Version 1.0
English

Table of Contents

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Summary

Safety Directions

General Safety

Directions to anticipate and avoid operational hazards.

Hazard Warnings

Covers distraction, absence of indication, depth reading differences, and site securing.

Product Use with Signal Transmitter

Transmitter Clamp Hazards

Risks of clipping clamp on live utility, connecting cable, and power output.

Operation of the Locator

Locator Keyboard

Explains locator keys: Function, Depth Estimation, Menu, Navigation.

The Locate Screen

Details elements: Status bar, Numeric Peak Indicator, Locate Scale.

Depth Estimation Screens

Indicates depth of buried utility or sonde.

Locator Menu

Access and Navigation

How to navigate the locator menu and submenus.

Menu Options

Details main menu options: Health Check, Videos, Information, Alerts, Home.

Search Modes

Signal Transmitter Mode

Used with transmitter for detectability, tracing, or depth measurement.

Sonde Mode

Used with sonde for tracing pipes or blockages.

Operation of the Transmitter

Applications

How to Pinpoint a Utility

Uses visual and audible response to locate utilities.

Tracing Process

Steps to trace a utility using peak reading and signal strength.

Using the Transmitter in Induction Mode

Nulling-Out Method

Confirms locator/transmitter on same utility or identifies hidden ones.

Parallel-Sweep Method

Covers large area or verifies utilities using two people.

Radial-Sweep Method

Discovers utilities from a known point.

Using the Transmitter in Connection Mode

Direct Connection Mode

Steps for connecting transmitter directly to a utility.

Cable-Wrap Technique

Applies signal to cable by wrapping the cable around it.

Estimating Depth and Current of a Utility

Utility Line Depth

Steps to measure utility line depth using locator and transmitter.

Sonde Depth

Steps to measure sonde depth using locator and sonde.

Utility Current Measurement

Measures current (mA) to identify utilities and their condition.

Connectivity

Locator Bluetooth Connectivity

Status, pairing, and output options for Bluetooth.

Locator Memory and GPS

Batteries

Functional Checks

Locator Health Check

Inspect condition, perform Audio/Visual test, and performance check.

Calibration Verification

Online verification of key circuit components and settings.

Checking Performance for Calibration

Verifies locator performance using Health Check.

Locator Fault Codes

Functional Check of the Transmitter

Checking Transmitter Function

Inspect condition, perform Audio/Visual and battery checks.

Checking Transmitter Performance

Verifies transmitter performance via tests and checks.

Functional Check of the Trace Rod

Functional Check of the Sonde

Leica Geosystems DD220 Series Specifications

General IconGeneral
BrandLeica Geosystems
ModelDD220 Series
CategorySecurity Sensors
LanguageEnglish

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