Figure 1: JR-6A in the Paleomagnetics Lab.

Procedures

Preparing the instrument

Move the spinner as far away from everything as possible:
1. Make sure it is not sitting next to the computer
2. Make sure it is not sitting next to the D-2000 AF Demagnetizer
3. Make sure it is at least 0.5 m from its power supply
Power on the instrument using the power switch located on the back of the power supply. The power supply is currently located above the JR6 workstation.
Let the instrument warm up for 15–30 minutes before use. Also, make sure the green lights are lit up on both the power supply and the spinner itself before starting a measurement.
Open the REMA6 software (version 6.2.06; release May 31, 2017), located on the desktop of the JR6 computer. The main REMA6 window will open (Figure 2).
Confirm that the IODPmode.cfg file is in the same folder as the Rema6.exe application (default location is C:\Agico\Rema6\Rema6.exe). This file is necessary for creating the .csv file.

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Figure 2: JR-6A Main Window before initialization.

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On the top tool bar of the main JR-6A window, select Settings > Instrument configuration. Set the correct Holder and Specimen type (Figure 3). Make sure the Specimen volume is correct; Japanese style cubes (rounded corners) are 7 cm³ while cubes cut with the saw are 8 cm³.
Select OK.
Confirm that the orientation parameters are set to 12/0/12/0 on the main window (Figure 2). If they are not, select Settings > Orientation parameters to set them.
Select OK.
Click the Initialize button in the bottom left hand corner of the window (Figure 2). A dialogue box will appear and go through a series of checks (Figure 4). Once it is complete click OK.
1. If communication fails, check that you do not have more than one version of REMA6 open on the computer.

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Figure 3: Instrument configuration dialogue box.

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Figure 4: Instrument initialization dialogue box.

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