HP 37717C Calibration Manual
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Brand: HP
Category: Measuring Instruments , Test Equipment
Type: Calibration manual for HP 37717C
Pages: 399
3-207
Performance Tests
SONET Frequency Offsets (Option 120)
3. Press and set up the
display as shown opposite.
4. Make the following key sequence on
the HP 37717C to obtain the special
display.
Press ; ; ; ;
;; ; .
Press until
appears in the softkey menu.
Press and set up the
display as shown opposite.
CAUTION When using the display, ONLY modify the STM-1 TEST
PATTERN. Altering other parameters can damage instrument firmware - exit this
display after setup to eliminate any possibility of accidental modification.
5. Adjust the Frequency Counter Trigger Level to obtain a stable reading.
6. Take note of the measured frequency (MF).
7. Select the frequency offset settings given in Table 3-9 and verify the frequency at
each step against the measured frequency (MF) noted in step 6.
TRANSMIT
MODULE DEBUG
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MODULE DEBUG
MODULE DEBUG
MODULE DEBUG