G-858BP Backpack Mag
Operators Manual
The items shown on the acquisition display are as follows:
Field:
Displays the magnetic field reading.
READY
Indicates that the instrument is ready to acquire data. Data is not currently being acquired, however.
QC:
Displays a quality check indication. This value grows for rapidly varying fields. If the value exceeds a
threshold (set in the system setup menu or the adjust menu) a warning sound will be heard.
Scale
Displays the full-scale width of the sweep trace on the right hand side of the display, in nT.
Line
Indicates the line number at which your next END LINE or MARK key press is expected.
Mark
Indicates the mark number at which your next MARK or END LINE key press is expected.
Note:
The line and mark number displayed is always the location of the
next
MARK or END LINE key press.
.
The unit will not be taking data yet. To start data taking, go to the starting or continuing point
(indicated on the display) press the MARK key, and start walking. If you have established way points
along the profile, press the MARK key at each way point. Press END LINE when you reach the end of a
survey line. Press PAUSE if you want to stop recording, and PAUSE again to resume recording (the
PAUSE key is effective only in continuous mode). The data display will indicate the reading with a trace
display.
Note:
The MARK key performs two operations. It starts the storage of data
(at the beginning of a line) and logs positions into memory.
SIMPLE
SURVEY
Field:
49953.1
!ACQUIRE!
QC:
0.33
Scale:
50
S-232 in:
R
e:
Lin
0
:
Mark
10
Acquisition
Display
with Reading Trace.
When you reach the end of each line, press the END LINE key. Upon this action, the unit will
stop logging data and display a summary of the previous line:
YOU HAVE JUST REACHED THE END OF LINE.
YOU ARE CURRENTLY AT:
LINE: 0
39
