User's Manual

PDL-4 A.C.ID-M System (with GPS) User Guide
Page 17
A.C.ID-M signal, and the VectorBar will continue
looking.
If the VectorBar is tilted, but by less than 45
0
, the
Intermediate Result screen is displayed.
If the VectorBar has not been placed above the target
cable the 'Reposition the VectorBar' screen will be
displayed indicating the distance and direction that
the VectorBar must be moved.
If the VectorBar has been placed too far away from
the target cable the “Cable out of range” screen will
be displayed indicating direction and approximate
position of the cable.
If the VectorBar is not correctly aligned at 90
0
to the
target cable a Plan View screen is displayed
indicating the direction in which the VectorBar
If A.C.ID-M confirmation is not achieved the PDL-4
will display 'Not Confirmed'.
When the A.C.ID-M data has been processed the
'CONFIRMED' screen, possibly the first of several will
be displayed. The dotted box represents the region
within which the cable is confirmed - the size of the
box indicates the accuracy achieved.
Indicates A.C.ID-M Confirmation.
A number of Confirmation screens may be displayed
(at intervals of up to 16 seconds) before the Final
Result is displayed. The sequence of Confirmation
screens may show increasing accuracy (i.e. the size
of the box may reduce with each Confirmation
Result). The Final Result is displayed either when the
confirmation box is 6" wide (accuracy +/-3") or the
VectorBar times-out after 5 minutes.
If a GPS position fix has been obtained "GPS OK" will
be displayed in the bottom left-hand side of the
screen.
If "no GPS" is displayed the locator is still obtaining a
GPS position fix. Once the fix has been obtained,
"GPS OK" is displayed.
When GPS data is not immediately available and the
confirm signal from the VectorBar has been received
the display will show "Searching for GPS". After a 10
second delay the display will show "Searching for
GPS. Press 'EXIT' to log without GPS".