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D
ETERMINING THE DEPTH OF A LINE
8.5 Indications and error messages
During the depth measuring process, the following symbols are used to notify the user about certain
characteristics and errors:
24
R
For one of the following reasons, the depth could not be
measured:
•
The signal received was too weak or too irregular.
•
The receiver was not held steady enough during the
measuring process.
•
The receiver was not positioned directly above the line at the
beginning of the process.
The depth of the metallic conductor is greater than 5 m (16 ft).
The depth of the metallic conductor is less than 30 cm (1 ft). Such
conductors must be specially marked in order to prevent damage
during construction.
The receiver was moved too far to the left or right during manual
measurement of depth. Move in the opposite direction until the
following symbol appears and then continue:
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