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3-80

Performance Tests

SDH Frequency Offsets (Options US1, [US5], A1T, [A1U], A3R [A3S],

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 3-4 and verify the frequency at

each step against the measured frequency (MF) noted in step 6.

TRANSMIT

MODULE DEBUG

OTHER

MODULE DEBUG

HP 37717C Calibration Manual

Other manuals for HP 37717C