9941 - Measure discriminator voltages Measure discriminator voltages Yes Go to 9996 - 9921 - Gently wiggle BNC connectors - Decision, Notes: 9922 No Go to 9963 - 9898 - Reset ULD/LLD - Decision, Notes: 9899 Note 9997 - Using a digital multimeter, measure the discriminator voltages on the SCA-774... 9943 - Are the ULD/LLD voltages correct?