technoac Success CBI-116N, Руководство по эксплуатации

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4. Search the route in passive mode
The source of the electromagnetic field in this case are frequency currents 50 Hz in cables under
mains voltage and 100 Hz in pipelines with cathodic protection mode, the route search is performed
without using the trace generator. Equipment used: Receiver «AP-014», Electromagnetic sensor
«EMD-247», headphones.
5. Place the electromagnetic sensor «EMD-247» exactly on the track and so, that it will be at
the point of maximum signal strength. For this you need to have the sensor perpendicular to the
desired track at that distance from it, where you want to search;
4.
Select the work «passive» frequency (50 Hz for tracing cable under voltage or
100 Hz for the tracing of the pipeline with cathodic protection.
6.Press the «Change receiver sensitivity» buttons to adjust the input level, so the level
filled led scale as much as possible, but to the last led isn’t flashing.
When switching on, the device revert to the settings used in previous work - the
level of input gain, volume levels and frequency filtering.
If while working full scale led filled, and the last led is flashing (there is an overload of
the input), the receiver sensitivity should be reduced.
If the maximum of the sensitivity scale isn’t filled, and the first led flashes, it means
that the device cannot recognize the signal at the selected frequency, because its level
is too low or signal is missing.
Preparing Receiver AP-014 for operation
1. Insert two batteries into the battery compartment of the
receiver «AP-014», observing polarity.
2. Connect the electromagnetic sensor, headphones to the
corresponding connectors of the receiver.
7. Establish a comfortable level of headphone volume with «Headphone volume Changes»
buttons.
8. Move along the path by moving the electromagnet sensor across tracks in one or the other
way to determine the point with the strongest signal. Points with the utmost level of the signal
correspond to the position of the communication axis.
3.Turn on the power of the receiver.