Specifications

25. Record the SOURCE 1 POWER setting in the corresponding space in
Table 3-4 (page 3-23) for MS4622C, Table 3-5 (page 3-24) for
MS4623C, or Table 3-6 (page 3-25) for MS4624C.
26. Adjust SOURCE 1 POWER so that the power meter reads –20 dBm
± 0.01 dB.
27. Record the SOURCE 1 POWER setting to the corresponding space
in Table 3-4 for MS4622C, Table 3-5 for MS4623C, or Table 3-6 for
MS4624C.
28. Connect the unterminated end of the fixed attenuator (with cable
linked to Port 1) to b1 input.
29. Press the Display key and select the TRACE MEMORY soft key.
30. Allow two complete sweeps to occur.
31. Select:
STORE DATA TO MEMORY
DATA (/) MEMORY
RETURN
32. Press the Power key and select SOURCE 1 SETUP. Set the SOURCE
1 POWER to the level recorded in Step 25., 25.
33. Verify that: 10 dB - Marker 1 Readout £ 0.1 dB
34. Set the SOURCE 1 POWER to the level recorded in Step 27., 27.
35. Repeat Steps 28 through 33 for b2, a1, and a2 inputs.
36. Repeat Steps 23 through 34 for the next frequency point as listed in
Table 3-4 for MS4622C, Table 3-5 for MS4623C, or Table 3-6 for
MS4624C.
COMPRESSION LEVEL TEST (MS462XC) PERFORMANCE TESTS
3-18 MS462XX MM
NOTES
Move the fixed attenuator with cable linked to Port 1 to the next receiver
input (i.e., b2, a1, or a2).
Change the USER DEFINED setting the corresponding user defined
ratio (i.e., b2/1, a1/1 or a2/1).