Adjustment Procedures
2715 Spectrum Analyzer Service Manual 5-37
4. Reset the step attenuator to 0 dB. Disco nnect the cable from the Power Meter
sensor and connect it to the RF INPUT.
5. Perform frequencynormalizations (if not previously done) by pressing
UTIL 3 1.
6. Start the first gain step measurement by p ressing UTIL55101W.The
instrument will make a measurementand return to GAIN STEP REF menu.
7. Start the second measurement by pressi ng 21and entering the actual value
of the 10 dB step attenuator determinedin part (3).
8. Finish the gain step normalization by adding 10 dB of attenuationin the
signal path and pressing 2W.
9. Press BKSP to returnto the REFER ENCE NORMALIZATIONS menu.
INTERNAL REF FREQ
Use the following procedure to set the Internal ReferenceFrequency:
1. Connect a 100,000,000.0 Hz signal to the RF INPUT. Set the controls for a
full screen display.
2. Center the signal by pressing CTR-MEAS/TRKG.
3. Initiate referencefrequency normalization by pressing UTIL5511,and
follow screen prompts.