Hi,
Try to move the z0 slider during Lock Scan and observe whether you can change
the offset frequency. If not, check:
- is the shim cable still properly connected on both ends
- is the shim power supply switched on, any blown fuses on the back
- which shim power supply do you have? Large blank aluminium front or painted
beige front? Might be the z0z1 board
Cheers
Bert
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Spin-Doc
Magnetic resonance equipment, service, training & more
Dr. rer. nat. Bert Heise
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Representing MestreLab, Stelar & Barthel HF