Teledyne LabMaster 10 Zi Series Getting Started Manual page 42

LabMaster 10 Zi Oscilloscopes
3. Gently turn the V-male connector in the counterclockwise direction
until it is finger tight.
4. Insert the hand wrench over the flat portion of the barrel adapter.
This will hold the barrel adapter still while the V-male connector is
tightened around it.
34 922561-00 Rev A