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Step 25. Press Power key and select SOURCE 1 SETUP.
Step 26. Set PORT 1 ATTN to 10 dB. Record the Power Meter Readout
and the Marker 1 Readout to the table on next page. Repeat
this step for other PORT 1 ATTN setting listed in the table.
Step 27. Verify if the difference of the two measured values are within
specifications (Table 6-2).
RECEIVER DISPLAY LINEARITY PERFORMANCE VERIFICATION
6-10 ME 7840A OMM
PORT 1 ATTN
Setting (dB)
Power Meter
Reading
MS462XC Marker 1 Reading
Difference Between Two
Readings
Specification
10 £0.1 dB
20 £0.1 dB
30 £0.1 dB
40 £0.2 dB
50 £0.2 dB
60 £0.2 dB
Table 6-2. Receiver Magnitude Display Linearity Specifications