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OPERATION IN EACH SITE SITUATION
6-1 Detection by Induction Mode
(When the position of a pipeline can be predicted)
6-1-1 With 2 surveyors
① Turn transmitter and receiver on.
Check the remaining battery power
-
Confirm the output mode of the transmitter is IND. (Induction mode)
-
② Adjust the frequency
* The default frequency when you start up the transceiver is 83 kHz.
③ Set the detection mode of receiver
Mode
③ Change the output level of the transmitter to 2 ~ 5
*Output level will vary for different sites.
④ Search for a position where the receiver's bar graph and
numerical value reaches a maximum while moving
the transmitter and receiver sideways, as shown in the diagram
below.
*Adjust the sensitivity of the receiver to a level that
is easy to distinguish.
*Maintain a constant distance between the transmitter and
Receiver when moving sideways.
(Variation of Bar graph & Level numeric value)
of the transmitter and receiver
to Maximum / Peak
20
Max Sensitivity Point
80
* Right on the
buried pipe
Move transmitter with keeping
10cm above the ground
- 34 -
20
Move away over 5 m
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