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DIGICAT 500i/550i, How to Use the Locator
2
How to Use the Locator
2.1
General Information
Operating modes
• Passive modes (Power and Radio)
• Active modes (8 kHz and 33 kHz)
• Auto mode (Combined Power and Radio modes)
Electromagnetic signals
An electromagnetic signal radiates from buried conductive services as an electrical current
flows through them. The Locator processes these signals and displays their presence.
Passive signals
Some signals are already present on buried services and can be readily detected by the
Locator. We call these passive signals. These signals are generated by power distribution
systems and radio transmitters.
Active tracing
Some conductive services do not emit passive signals. These services may be traced by
applying a signal to the service by using a transmitter.
Depth indication
Depth indication is only available with the 550i Locator used in conjunction with the Trans-
(550i only)
mitter or Sonde. The displayed depth is to the centre of the service or to the Sonde.
Wireless communica-
Data can be wirelessly transferred from the Bluetooth enabled Locator to devices which are
tion (Bluetooth)
designed to accept the information.
Provides an additional alarm, indicating the close proximity of a service emitting a Power,
Hazard zone
8 kHz or 33 kHz signal.
Peak hold
Assists in pinpointing a service by displaying the peak reading for a short period of time.
12
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