Digital Multimeter Operation 2
Making Measurements
U3606A User’s and Service Guide 51
Performing diode tests
Making the connections
Connect the test leads as shown below:
Figure 2-9 Terminal connections for diode tests
Disconnect circuit power and discharge all high-voltage capacitors 
before checking diodes to avoid damaging the U3606A or the device 
under test.
Forward
bias diode
Te s t
current
Reverse
bias diode
Te s t
current