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Cannot select the SMU, could this be a hardware issue?
<p>We have questions regarding the parts (2636B, 2657A, 8010). We cannot select the source-measure unit (SMU). As you can see the attachments, the option is grey. Can you please let us know what could be the issues? We looked through all the manuals and couldn't figure it out.</p> <grammarly-desktop-integration data-grammarly-shadow-root="true"></grammarly-desktop-integration>