User's Manual

GPR4 Utility Scanner
–
User Manual
Earth Science Systems, LLC
Copyright © 2019
ESS, LLC. All rights reserved.
1. Turn on the power to the
After a few seconds the light will begin to flash rapidly
the least congested WiFi channel
(about 60 seconds).
2.
Boot up the tablet computer and log in. Enable mouse pointer using the mouse icon on
the task bar if desired.
3. Connect
to the sensor unit via WiFi. On the task bar, press the WiFi network icon
then select the network connection for the
will be the serial number of the scanner (e.g., GPR40123). It will take
after the sensor box has been powered up for the network to appear on the tablet.
Select the network connection for the
ask if you would like to connect automatically. If you enable automatic connection, then
this step can be skipped for future surveys.
4.
Start the data acquisition program by
the desktop. The program will startup, connect to the scanner, and start updating with
data.
Figure 4 shows the acquisition program screen. There is a status panel that
shows status messages, but in most cases the user can hide this panel so
plotting area is larger. The green light on the scanner’s power button will flash when it is
connected to the acquisition program on the tablet computer. Users can pan and zoom
the plots in the acquisition program. To pan,
plot and drag. To zoom,
zoom box. The reset the plot, click
5.
The acquisition program has several views that can be selected by clicking on the
appropriate tab on the top of the screen:
Documentation
. Each tab has its own toolbar with functions dedicated to that view.
6. The GPR4 Record
tab has standard A
most GPR systems. The plot parameters can be changed by pressing the
parameters button
(see Figure 5
sufficient. For those in
terested, the dialog functions are described below.
a.
Use automatic range gain
increases gain with increasing range to compensate for signal attenuation with
range. The gain profile is automatically readjuste
b.
Automatic zero time
the plot.
c.
Antenna combination
antennas.
d. Depth/Time units
basic units are sample number (
digitizer sample period gives sample time (
multiplied by the medium velocity gives distance (
Feet).
D
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2019
ESS, LLC. All rights reserved.
sensor unit. The power switch should glow with a green light.
After a few seconds the light will begin to flash rapidly
– indicating
that it is searching for
the least congested WiFi channel
. The light will stop blinking
after the search completes
Boot up the tablet computer and log in. Enable mouse pointer using the mouse icon on
to the sensor unit via WiFi. On the task bar, press the WiFi network icon
then select the network connection for the
Utility
Scanner. The name of the connection
will be the serial number of the scanner (e.g., GPR40123). It will take
about
after the sensor box has been powered up for the network to appear on the tablet.
Select the network connection for the
scanner and wait for it to connect. Windows will
ask if you would like to connect automatically. If you enable automatic connection, then
this step can be skipped for future surveys.
Start the data acquisition program by
double tapping the
EssGpr4Logging
the desktop. The program will startup, connect to the scanner, and start updating with
Figure 4 shows the acquisition program screen. There is a status panel that
shows status messages, but in most cases the user can hide this panel so
plotting area is larger. The green light on the scanner’s power button will flash when it is
connected to the acquisition program on the tablet computer. Users can pan and zoom
the plots in the acquisition program. To pan,
press the pan button
then
plot and drag. To zoom,
press the zoom button
then click and drag to draw the
zoom box. The reset the plot, click
the reset button .
The acquisition program has several views that can be selected by clicking on the
appropriate tab on the top of the screen:
Survey Grid, GPR4 Record
, and optionally
. Each tab has its own toolbar with functions dedicated to that view.
tab has standard A
-scan and B-
scan plots that are customary for
most GPR systems. The plot parameters can be changed by pressing the
(see Figure 5
). For most users, the default settings will be
terested, the dialog functions are described below.
Use automatic range gain
When this is selected the program automatically
increases gain with increasing range to compensate for signal attenuation with
range. The gain profile is automatically readjuste
d at the start of each line.
Automatic zero time
Use
this setting to move the first arrival to the beginning of
Antenna combination
Select either the 350 MHz antennas or the 750 MHz
Select the units for the vertical scale on the B-
scan. The most
basic units are sample number (
Samples
). Sample number multiplied by the
digitizer sample period gives sample time (
Nanoseconds
). Sample time
multiplied by the medium velocity gives distance (
Centimeters,
Inches
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sensor unit. The power switch should glow with a green light.
that it is searching for
after the search completes
Boot up the tablet computer and log in. Enable mouse pointer using the mouse icon on
to the sensor unit via WiFi. On the task bar, press the WiFi network icon
,
Scanner. The name of the connection
about
60 seconds
after the sensor box has been powered up for the network to appear on the tablet.
scanner and wait for it to connect. Windows will
ask if you would like to connect automatically. If you enable automatic connection, then
EssGpr4Logging
App icon on
the desktop. The program will startup, connect to the scanner, and start updating with
Figure 4 shows the acquisition program screen. There is a status panel that
shows status messages, but in most cases the user can hide this panel so
that the
plotting area is larger. The green light on the scanner’s power button will flash when it is
connected to the acquisition program on the tablet computer. Users can pan and zoom
then
click on the
then click and drag to draw the
The acquisition program has several views that can be selected by clicking on the
, and optionally
. Each tab has its own toolbar with functions dedicated to that view.
scan plots that are customary for
most GPR systems. The plot parameters can be changed by pressing the
Plot
). For most users, the default settings will be
terested, the dialog functions are described below.
When this is selected the program automatically
increases gain with increasing range to compensate for signal attenuation with
d at the start of each line.
this setting to move the first arrival to the beginning of
Select either the 350 MHz antennas or the 750 MHz
scan. The most
). Sample number multiplied by the
). Sample time
Inches
, Meters,