128 Chapter2
Making Adjustments
18. Modulator Offset and Gain for Option 010 or 011
13.Press the following analyzer keys to execute the screen title
command.
CAL, More 1 of 4, More 2 of 4
SERVICE CAL
EXECUTE TITLE
Note that TGMOD should appear in the upper-left screen annotation
below REF.
14.Press the following analyzer keys.
AMPLITUDE, SCALE LOG LIN (LOG), 1, dB
AUX CTRL, TRACK GEN, SRC PWR ON OFF (ON)
15.Adjust the front-panel knob for 0.0 V ±0.01 V on the DMM, then
press the following keys.
TRACE,CLEAR WRITE A, More 1 of 3, DETECTOR SAMPL PK (PK)
MKR, MARKER ∆
16.Adjust A7A1R49 so that the MKR reading drops approximately 0.1
to 0.15 dB.
17.Press the following analyzer keys.
MKR, MARKER ∆, MARKER ∆
CAL, More 1 of 4, More 2 of 4, SERVICE CAL, EXECUTE TITLE
AMPLITUDE, SCALE LOG LIN (LOG) 10 dB
AUX CTRL, TRACK GEN, SRC PWR ON OFF (ON)
18.Adjust the front-panel knob for −1.0 V ±0.01 V measured with the
DMM, then press the following analyzer keys.
TRACE, CLEAR WRITE A, More 1 OF 4, DETECTOR SAMPL PK (PK)
19.Adjust A7A1R43 so that the MARKER DELTA reading is −33 dB
±0.5 dB.
20.Press
PRESET, then wait for the preset routine to finish.
21.Perform the tracking generator self-cal routine by pressing the
following analyzer keys.
CAL, More 1 of 4, More 2 of 4, CAL TRK GEN
Wait for the completion of the routine (less than 1 minute).
22.Press
CAL STORE.
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