Service manual

28 2

Performance Test

Figure 2-4 42942A Setup

25. Setup the 42942A as follows.

a. Press [Cal],Adapter,7mm 42942A,SETUP.

b. Connect the OPEN termination furnished with the 42942A to the 7mm connector.

c. Press PHASE COMP to measure the phase compensation data.

d. Press OPEN to measure the open compensation data.

e. Connect the SHORT termination furnished with the 42942A instead of the OPEN

termination.

f. Press SHORT to measure the short compensation data.

g. Connect the 50 Ω termination furnished with the 42942A instead of the SHORT

termination.

h. Press LOAD to measure the load compensation data.

i. Press done to activate the measured compensation data.

26. Connect the instruments as shown in Figure 2-5.