© 2015 Radiodetection Ltd
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other technicians working on the line of the hazard and
guard exposed conductors to prevent accidental contact.
Induction
In this mode of operation the transmitter is placed on the
ground over or near the survey area. If a Direct
Connection lead or signal clamp is not plugged into the
transmitter, it will automatically go into induction mode.
In this mode, only frequencies applicable for induction
mode will be made available as the
key is pressed.
Once activated the transmitter will induce the signal
indiscriminately to any nearby buried conductors.
Please note that these signals will also be airborne and
it is advisable to keep the distance between the
transmitter and locator at least 10m /
30’ – this distance
may need to be increased, particularly if depth
measurements are taken.
Signal clamp
An optional signal clamp can be connected to the
transmitter and clamped around a cable or pipe to apply
the transmitter signal. This method of applying the
transmitter signal is particularly useful on insulated live
wires and removes the need to disconnect the supply to
the cable. Clamps are available
up to 8.5” / 215mm in
diameter.
WARNING! Do not clamp around uninsulated live
conductors
WARNING! Before applying or removing the clamp
around a power cable, ensure that the clamp is
connected to the transmitter at all times.
Selecting frequencies
It is important to select the correct or appropriate
frequency for your particular application. For more
information see Section 5.1 or refer to the application
note
“ABC & XYZ of Locating Buried Pipes and Cables”,
which is available as a free download from
www.radiodetection.com
To select a frequency on the locator:
1 Press the
key to cycle through available
frequencies
2 Alternatively, hold down the
key and press the
or
keys to cycle up or down the range of
frequencies
If locating using an active frequency you must also set
your transmitter to output the matching frequency.
You can change your transmitter’s output frequency
manually using your transmitter’s keypad or
automatically using iLOC (Bluetooth transmitters only).
To manually select a transmitter output
frequency:
1 Press the
key to cycle through available
frequencies
To change frequencies using iLOC, refer to Section 13.
NOTE: Some frequencies require that you connect an
accessory, for example an A-Frame, before the
frequency is available.
NOTE: Some RD8100PTL model frequencies are only
available in the Tx-10B transmitter model.
5.2 Antenna modes
The RD8100 system supports five antenna modes,
exclusively dedicated to locating cable and pipes, and to
suit your particular application or the local environment.
These are:
Peak mode
Peak+ mode
Guidance mode
Broad Peak mode
Null mode
Peak mode
Peak mode provides the most sensitive and accurate
mode for location and depth measurement. It provides a
sharp Peak response with a corresponding small
decrease in sensitivity. Peak mode cannot be disabled
using the menu.
In Peak mode the following indicators are displayed by
the LCD:
Depth
Current
Signal strength
Compass
To select Peak mode:
1 Press the
key until the Peak mode icon
is
displayed on the LCD
NOTE: The depth and current values will display
automatically, although these values should not be
considered accurate until the locator is directly over the
target line.
