Phoenix Geophysics RXU-8A Manuale utente
RXU-8A
Quick Start Guide for MT
RXU-8A (components) …………………………... 2
Product description ……………………………..... 3
Creating a Configuration File ………………….... 4
MT acquisition ……….......................................... 5
Electric Channel Settings ……....………………... 6
Magnetic Channel Settings ……...……………….. 7
Saving a Configuration File ……………………... 8
RXU-8A Connections ……………………………. 9
SD Card - Recording Data …………………….... 10
Stopping a recording …………………………….. 11
Importing - Field QC ………….………………….. 12
Field QC ……………………………………….….. 13
Process MT Data ………………………..……........ 14
Viewing Recording Details ………………..……..... 15
Technical Support …………………………….…... 16
1
Version: 220412 ID: DAA21
Components
1Power/Record button and indicator
2Display
3
E1 (Ex) electrode connectors
E2 (Ey) electrode connectors
E3 electrode connectors
E4 electrode connectors
E5 electrode connectors
4Ground electrode connector
512VDC power input
6LAN connector
7GPS antenna connector
8
H1 (Hx) magnetic sensor connector
H2 (Hy) magnetic sensor connector
H3 (Hz) magnetic sensor connector
9SD card button and indicator
10 SD card slot and cover
132
4
5
6
7
8
9
10
2
RXU-8A
Designed with flexibility in mind, the RXU-8A
can be used as a regular MT receiver, where
the extra electric channels can be used to
acquire a redundant recording on the same site
or to acquire an adjacent site.
Excellent choice for controlled source
acquisitions that require a large density of
electric channels. The RXU-8A can also work
for special applications where extra electric
inputs might be needed.
This manual is intended for MT operations. The
RXU-8A can also be used for CSAMT
recordings. For more information on CSAMT
consult the CSAMT Operation manual (DAA31).
3
Open EMpower and click the Prepare button
1. Select the Receiver Type
2. Recording
2.1. MT - Configuration Creator
Use the Calibration and System Test options as
needed
3. Calibration
3.1. Sensor Calibration
3.2. Receiver Calibration
*No additional configuration needed
4. System tests
4.1. White Noise
4.2. Parallel Noise - Configuration Creator
4.3. Self Test
*No additional configuration needed
Creating a Configuration File
4
2 3 4
1
4.1
4.2
4.3
3.1
3.2
2.1
3.2 4.3
3.1 4.1
1. Check that the Receiver type is
RXU-8A
2. Select the Schedule
2.1. Manual or Automatic Start
2.2. Or for a specific schedule use, Single Shot,
Daily or Weekly and click Add Schedule to
define the time and date
3. Ethernet port (see the Networking Settings
manual)
4. Channels Settings
5. Define the Receiver Settings
○ Sampling Mode
○Sampling Rate
6. Configuration Layout
Creating a Configuration file - MT acquisition
Additional information
This section is used for inputting the
parameters and instrument details that
will be used for the recording
5
To use the magnetic sensor data from a different recording or use a
remote reference, all recordings must have a matching Sampling
Mode and Sampling Rates. Otherwise, EMpower will not allow to
process data using borrowed channels or remote reference
1
2.1
2
2.2
3
4
5
6
Creating a Configuration File - Electric Channel Settings
1. Select the Electric channel
2. Enable or Disable the channel(s)
○Disable the channel(s) If you do not plan to use them
during the recording (This will save space on the SD
card)
3. Complete the information in the Electric channel
settings
2
Some channel settings
can be configured by
using the right-click menu
6
1
2
3
Creating a Configuration File - Magnetic Channel Settings
1. Select the Magnetic channel
2. Enable or Disable the channel(s)
○Disable the channel(s) if you do not plan to use them
during the recording (This will save space on the SD
card)
3. Fill in the required information on the Magnetic
channel settings
2
Some channel settings
can be configured by
using the right-click
menu
7
1
2
3
Saving a MT Configuration File
1. Insert the SD Card
○ The computer must be equipped with an SD
card slot or use a USB card reader
2. Click the File menu
○Save or Ctrl+S
○Select the SD card
○EMpower will automatically create the file
“config.json”
3. Save the configuration file (config.json)
in the root folder of the SD card
4. Open the file explorer
○ Right click SD card drive
○Select Eject option
○Pull out the SD Card
8
1 1
2
4
3
RXU-8A
Connection - Single site MT
Start by connecting:
1. Ground electrode
2. Electrodes to channel E1(Ex) (N+, S-) and
channel E2(Ey) (E+, W-)
○ Channels E3, E4, E5 are normally not required in a
conventional Single site MT survey
3. Magnetic sensors to channels H1(Hx), H2(Hy)
and H3(Hz)
4. GPS antenna
5. 12V DC Power Source
6. Network connector
In the field, it is often most efficient to connect the
components to the receiver following the order on the right 9
SD Card - Recording Data
Press the power button briefly and
release
Starting Acquiring GPS Ready
SD
Press the power button briefly and release
Ready Channels Recording
Detection
SD
Automatic Start
The recording starts automatically
according to the schedule
Recording
SD
Indicators
Rapid, equal pulses
Solid color / Off 10
*For any problem with the
SD Card, check the
Troubleshooting manual
Recording
1. Insert the SD card and close the
cap
2. To turn on the receiver, press the
Power button briefly, wait until both
LEDs are solid blue
2.1. LED pattern for Automatic Start
recording
3. If the recording schedule type was
configured as Manual, press the
Power button briefly and release to
start recording
1
2.1
3
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