System had several issues including bad Digital PS, inconsistent shims and intermittent RF output. Believe the shim issues were due to bad digital PS. Still having intermittent RF issues. Also, the CPU board was bricked. I was able to restore it to defaults using procedure below. Attach a terminal connection to the Acq CPU Diag…
If you need to reverse the trays, CP31 for CP32, you must also train the rack position CP31:CLEAR. (9) Define Rack CP31:CLEAR (M)ove
In this guide I detail how to install Mozilla Firefox as a .deb package on Ubuntu 22.04 LTS or above and not as a snap app. This guide is needed because Ubuntu 22.04 and later comes with the Firefox snap package by default. The snap is the only version of Firefox included ‘out of the box’. But…
You can get rid of those ACPI Error messages by 1. Open ‘/etc/default/grub’ in an editor with root access. In your case I believe Ubuntu uses gedit as it’s text editor Code: 2. The line with ‘GRUB_CMDLINE_LINUX_DEFAULT’, add the loglevel=3 part. The original looks like GRUB_CMDLINE_LINUX_DEFAULT=’quiet splash’ Change it to this: Code: Then save the…
sudo apt update sudo apt-get remove ‘^nvidia’ sudo apt autoremove sudo apt install nvidia-driver-450 sudo reboot After you have installed the nvidia-driver-450 graphics driver in Ubuntu 20.04 it may be updated from nvidia-driver-450 to nvidia-driver-460 by the normal software update activity. As an alternative to step 4 you can let the ubuntu-drivers program automatically select the proprietary…
Overview In this tutorial, you will learn how to configure networking in Ubuntu 20.04 with Netplan. You will learn how to set static IP addresses, DHCP addresses, as well as how to configure DNS and Wifi. Introduced back in 18.04, April 2018, networking was redone using a new system called Netplan – a YAML based…
Filled three NMR magnets using 100L dewer (filled with only 70L). Magnet Start End Total Oxford 500 34% 100% 66% 72L 40L 32L 10:10 10:35 25 mins Oxford 300 Unknown 100% NA 40L 25L 15L 10:45 10:55 10 mins Bruker 500 80% 100% 20% 25L 0L 25L 11:00 11:15 15 mins
SMS alignment off by about 1/2 cm causing sample move failure. Re-aligned SMS. Ve Re Rt CP1:AT.HAND.GP 2.0 30.4 90.0 CP1:CLEAR.HAND.GP 23.0 0.0 90.0 HAND.GP 16.5 19.9 90.1 CP31:RACK P1 19.5 4.7 76.6 CP31:RACK P2 19.5 4.7 43.7 CP31:RACK P3 19.5 27.2 49.7 CP191:MAGNET 13.4 29.6 259.3 CP191:CLEAR 34.0 0.0 259.3
Lineshape does not meet spec. Needs 3D Gradient shimming. Found that the upper barrel was not centered in magnet field. Re-centered upper barrel. Performed 3D gradient shimming successfully. Obtained lineshape spec after RT shimming. Performed H1 and C13 performance specs, all passed. Default shims and power level vales saved. New gradient map saved.
Filled three NMR magnets using 100L dewer. Magnet Start End Total Oxford 500 28% 100% 72% 95L 45L 50L 8:20 8:40 20 mins Oxford 300 Unknown 100% NA 45L 10L 35L 8:50 9:05 15 mins Bruker 500 81% 91% 10% 10L 0L 10L 9:15 9:20 5 mins