Troubleshooting - Revision history

Amnamyst at 17:24, 30 May 2023

2023-05-30T17:24:34Z

← Older revision		Revision as of 13:24, 30 May 2023
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	::4. Now, please start MATLAB normally.		::4. Now, please start MATLAB normally.

			== Participant Care ==
			[https://megcore.nih.gov/index.php/Participant_Care:_Latex_Allergy Latex and Rubber Allergen Information]

Amaia: /* Procedure for restarting the rack */

2023-04-26T15:27:20Z

Procedure for restarting the rack

← Older revision		Revision as of 11:27, 26 April 2023
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	::::c. There are two important power buttons		::::c. There are two important power buttons
	:::::i. The button on the '''DSQ 3500 Electronics Control Console''' (EC Console or ECC) with the ring of light controls the power to the electronics rack. Press this button to turn off the rack. The light will change to amber when the rack is powered down.		:::::i. The button on the '''DSQ 3500 Electronics Control Console''' (EC Console or ECC) with the ring of light controls the power to the electronics rack. Press this button to turn off the rack. The light will change to amber when the rack is powered down.
	:::::ii. The '''Head Localization Unit (HLU)''' power box, on the top and towards the back of the electronics rack, has a button with a light within it. Press this button to turn on and off the HLU unit. Note - the electronics rack & HLU box are located next to the recycler, in the back of the room.		:::::ii. The '''Head Localization Unit (HLU)''' power box, on the top and towards the back of the electronics rack, has a button with a light within it. Press this button to turn on and off the HLU unit. <i>Note - the electronics rack & HLU box are located next to the recycler, in the back of the room.</i>

	<gallery widths=400px heights=200px>		<gallery widths=400px heights=200px>

Amaia: /* Procedure for restarting the rack */

2023-04-26T15:26:08Z

Procedure for restarting the rack

← Older revision		Revision as of 11:26, 26 April 2023
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	<gallery widths=400px heights=200px>		<gallery widths=400px heights=200px>
	ECC.jpeg\|'''DSQ 3500 Electronics Control Console'''. Use ~~ring/~~button to power off/on the electronics rack in the back of the room		ECC.jpeg\|'''DSQ 3500 Electronics Control Console'''. Use button to power off/on the electronics rack in the back of the room
	HLU PowerSwitch.jpg\|'''HLU power switch'''. Located on top of the electronics rack and hidden behind a big white box (which should not be touched)		HLU PowerSwitch.jpg\|'''HLU power switch'''. Located on top of the electronics rack and hidden behind a big white box (which should not be touched)
	</gallery>		</gallery>
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	::::a. First you must make sure the you have closed ACQ.		::::a. First you must make sure the you have closed ACQ.
	::::b. Power off the rack by pressing the green button~~/ring~~ on the ECC console.		::::b. Power off the rack by pressing the green button on the ECC console.
	::::c. Next you must power off the HLU box which is located on top of the electronics rack in the back of the room. Press it to turn off the HLU.		::::c. Next you must power off the HLU box which is located on top of the electronics rack in the back of the room. Press it to turn off the HLU.
	::::d. Return to the EC console and power the rack back on by pressing the button/ring.		::::d. Return to the EC console and power the rack back on by pressing the button/ring.

Amaia: /* Procedure for restarting the rack */

2023-04-26T15:25:19Z

Procedure for restarting the rack

← Older revision		Revision as of 11:25, 26 April 2023
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	::::b. If the HLU does not work, you must reboot the entire rack.		::::b. If the HLU does not work, you must reboot the entire rack.
	::::c. There are two important power buttons		::::c. There are two important power buttons
	:::::i. The button on the '''DSQ 3500 Electronics Control Console''' (EC Console) with the ring of light controls the power to the electronics rack. Press this button to turn off the rack. The light will change to amber when the rack is powered down.		:::::i. The button on the '''DSQ 3500 Electronics Control Console''' (EC Console or ECC) with the ring of light controls the power to the electronics rack. Press this button to turn off the rack. The light will change to amber when the rack is powered down.
	:::::ii. The '''Head Localization Unit (HLU)''' power box, on the top of the ~~new~~ rack, has a button with a light within it. Press this button to turn on and off the HLU unit.		:::::ii. The '''Head Localization Unit (HLU)''' power box, on the top and towards the back of the electronics rack, has a button with a light within it. Press this button to turn on and off the HLU unit. Note - the electronics rack & HLU box are located next to the recycler, in the back of the room.

			<gallery widths=400px heights=200px>
			ECC.jpeg\|'''DSQ 3500 Electronics Control Console'''. Use ring/button to power off/on the electronics rack in the back of the room
			HLU PowerSwitch.jpg\|'''HLU power switch'''. Located on top of the electronics rack and hidden behind a big white box (which should not be touched)
			</gallery>


	::2. To restart (reboot) the electronics rack:		::2. To restart (reboot) the electronics rack:

	::::a. First you must make sure the you have closed ACQ.		::::a. First you must make sure the you have closed ACQ.
	::::b. Power off the rack. ~~Press~~ the button on the ECC console.		::::b. Power off the rack by pressing the green button/ring on the ECC console.
	::::c. Next you must power off the HLU box which is located on top of the ~~new~~ rack. Press it to turn off the HLU.		::::c. Next you must power off the HLU box which is located on top of the electronics rack in the back of the room. Press it to turn off the HLU.
	::::d.Return to the console and power the rack back on.		::::d. Return to the EC console and power the rack back on by pressing the button/ring.
	::::e. Wait about 10 seconds.		::::e. Wait about 10 seconds.
	::::f. Next, turn the HLU box back on.		::::f. Next, turn the HLU box back on.
	::::g.Now you can launch Acq.		::::g. Now you can launch Acq.

	::::'''*Please contact MEG staff for assistance if you are unable to resolve problem(s).'''		::::'''*Please contact MEG staff for assistance if you are unable to resolve problem(s).'''

Amnamyst: Added PROPixx troubleshooting

2023-01-18T17:05:07Z

Added PROPixx troubleshooting

← Older revision		Revision as of 13:05, 18 January 2023
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	::::d. Select: “HID JOYSTICK”. Press the knob.		::::d. Select: “HID JOYSTICK”. Press the knob.
	::::e. Select: “HID Key 12345” then press the knob.		::::e. Select: “HID Key 12345” then press the knob.

			== The PROPixx projector ==

			If the PROPixx projector is '''ON''' but not displaying the stim computer, check the display resolution. The stimulus computer should be set to 1024x768.
			::1. Go to the NVIDIA graphics card settings
			::2. Select 1024x788
			::3. Click "Apply".
			::'''Note: Sometimes it will already have the proper setting selected. In that case, click "Apply" anyway. It's possible that the last user didn't apply the settings properly.'''

	== Segmentation violation when starting Matlab R2017b and later under Fedora 28 ==		== Segmentation violation when starting Matlab R2017b and later under Fedora 28 ==

Amnamyst: /* Noisy Channels */

2022-01-04T20:48:53Z

Noisy Channels

← Older revision		Revision as of 16:48, 4 January 2022
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	== Noisy Channels ==		== Noisy Channels ==

	~~::1.~~ Upon starting the Acquisition Manager, occasionally there may be extremely noisy channels.		Upon starting the Acquisition Manager, occasionally there may be extremely noisy channels.
		⚫	We believe that this is related to files which controls the calibration of the individual channels.

		⚫	If you do observe issues, restarting ACQ is usually enough to eliminate the problem. However, you may have to restart ACQ several times. Additionally, you can delete the noisy channel from acquisition.
⚫	~~::2.~~ We believe that this is related to files which controls the calibration of the individual channels.

⚫	~~::3.~~ If you do observe issues, restarting ACQ is usually enough to eliminate the problem. However, you may have to restart ACQ several times.

	::4. Additionally, you can delete the noisy channel from acquisition.

	== Procedure for restarting the rack ==		== Procedure for restarting the rack ==

Nugenta at 15:29, 18 August 2018

2018-08-18T15:29:56Z

← Older revision		Revision as of 11:29, 18 August 2018
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	6/15/18

	== Noisy Channels ==		== Noisy Channels ==

Nugenta: /* Segmentation violation when starting Matlab R2017b and later under Fedora 28 */

2018-08-18T15:29:36Z

Segmentation violation when starting Matlab R2017b and later under Fedora 28

← Older revision		Revision as of 11:29, 18 August 2018
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	::3. Following are the commands to execute in a linux shell to perform the above mentioned operation: (You may need root privilege)		::3. Following are the commands to execute in a linux shell to perform the above mentioned operation: (You may need root privilege)

	~~::::a.~~ cd /opt/matlab (or wherever you may have installed MATLAB)		cd /opt/matlab (or wherever you may have installed MATLAB)
	~~::::b.~~ cd bin/glnxa64		cd bin/glnxa64
	~~::::c.~~ mkdir exclude		mkdir exclude
	~~::::d.~~ mv libfreetype* exclude/		mv libfreetype* exclude/

	::4. Now, please start MATLAB normally.		::4. Now, please start MATLAB normally.

Nugenta: /* Segmentation violation when starting Matlab R2017b and later under Fedora 28 */

2018-08-18T15:29:04Z

Segmentation violation when starting Matlab R2017b and later under Fedora 28

← Older revision		Revision as of 11:29, 18 August 2018
Line 56:		Line 56:
	::[https://www.mathworks.com/matlabcentral/answers/366760-segmentation-violation-at-startup-on-fedora-26 Matlab segmentation violation under Fedora 28]		::[https://www.mathworks.com/matlabcentral/answers/366760-segmentation-violation-at-startup-on-fedora-26 Matlab segmentation violation under Fedora 28]

	::1. This error occurs when your computer cannot load a certain font display library through MATLAB. To resolve the issue, please navigate to MATLAB R2017b/R2018a installation location in your system and remove		::1. This error occurs when your computer cannot load a certain font display library through MATLAB. To resolve the issue, please navigate to MATLAB R2017b/R2018a installation location in your system and remove the “libfreetype.so.6” library file shipped with MATLAB R2017b, so that MATLAB will use the system version of that library:
	the “libfreetype.so.6” library file shipped with MATLAB R2017b, so that MATLAB will use the system version of that library:

	::2. The freetype libraries are installed in ''_matlabroot_/bin/glnxa64/''.		::2. The freetype libraries are installed in ''_matlabroot_/bin/glnxa64/''.

Nugenta: /* Segmentation violation when starting Matlab R2017b and later under Fedora 28 */

2018-08-18T15:28:48Z

Segmentation violation when starting Matlab R2017b and later under Fedora 28

← Older revision		Revision as of 11:28, 18 August 2018
Line 54:		Line 54:

	== Segmentation violation when starting Matlab R2017b and later under Fedora 28 ==		== Segmentation violation when starting Matlab R2017b and later under Fedora 28 ==
	[https://www.mathworks.com/matlabcentral/answers/366760-segmentation-violation-at-startup-on-fedora-26 Matlab segmentation violation under Fedora 28]		::[https://www.mathworks.com/matlabcentral/answers/366760-segmentation-violation-at-startup-on-fedora-26 Matlab segmentation violation under Fedora 28]

	This error occurs when your computer cannot load a certain font display library through MATLAB. To resolve the issue, please navigate to MATLAB R2017b/R2018a installation location in your system and remove		::1. This error occurs when your computer cannot load a certain font display library through MATLAB. To resolve the issue, please navigate to MATLAB R2017b/R2018a installation location in your system and remove
	the “libfreetype.so.6” library file shipped with MATLAB R2017b, so that MATLAB will use the system version of that library:		the “libfreetype.so.6” library file shipped with MATLAB R2017b, so that MATLAB will use the system version of that library:

	* The freetype libraries are installed in ''_matlabroot_/bin/glnxa64/''.		::2. The freetype libraries are installed in ''_matlabroot_/bin/glnxa64/''.

	Following are the commands to execute in a linux shell to perform the above mentioned operation: (You may need root privilege)		::3. Following are the commands to execute in a linux shell to perform the above mentioned operation: (You may need root privilege)

	cd /opt/matlab (or wherever you may have installed MATLAB)		::::a. cd /opt/matlab (or wherever you may have installed MATLAB)
	cd bin/glnxa64		::::b. cd bin/glnxa64
	mkdir exclude		::::c. mkdir exclude
	mv libfreetype* exclude/		::::d. mv libfreetype* exclude/

	Now, please start MATLAB normally.		::4. Now, please start MATLAB normally.