TB 9-6625-2339-35
NOTE
If displayed trace is not approximately 5 divisions below the
reference level, press Sweep, Sweep (Cont) key and then
FREQUENCY key. Adjust the
RPG knob to
place displayed
trace approximately 5 divisions below reference level. Press
Single.
(16) Press Peak Search (or Search) key then [Pk-Pk Search] key.
(17) Record absolute value of Mkr1 ∆ amplitude indication.
(18) Multiply value recorded in (17) above by 0.426 Hz/dB. Result will be less than 2 Hz.
(19) Set all outputs to minimum and disconnect equipment setup.
b. Adjustments. None
12. Input Attenuator Accuracy
a. Performance Check
Figure 2. Input attenuator accuracy equipment setup.
(2) Press synthesizer/level generator keys to values as listed in (a) and (b) below:
(b) AMPLITUDE to -50 dBm.
(3) Press TI keys and enter values as listed in (a) through (k) below:
(a) Preset.
(b) Factory Preset softkey if it is displayed.
(c) System, [Alignments], [Auto Align], [Off].