TB 9-6625-2339-24
(34) Press TI keys as listed in (a) through (d) below:
(a) Preset.
(b) System.
(c) [Alignments].
(d) [Auto Align], [All].
(35) Set all outputs to minimum and disconnect equipment setup.
b. Adjustments. None.
14. Resolution Bandwidth Switching Uncertainty
a. Performance Check
(1) Connect TI AMPTD REF OUT to RF INPUT 50.
(2) Press TI keys as listed in (a) through (k) below:
(a) Preset.
(b) [Factory Preset] (if it is displayed).
(c) Sweep, [Points 401].
(d) Input/Output (or Input), [Amptd Ref Out] (On).
(e) FREQUENCY, 5, 0, [MHz].
(f) SPAN, 5, [kHz].
(g) AMPLITUDE, [More], [Y Axis Units] (or Amptd Units), [dBm].
(h) AMPLITUDE, [Ref Level], 1, 9, [dBm].
(i) [Scale/Div], 1, [dB].
(j) BW/Avg, [Res BW], 1, [kHz] (Man).
(k) [Video BW], 1, [kHz] (Man).
(3) Press AMPLITUDE and adjust RPG knob to place the displayed signal 5
divisions below the reference level.
(4) Press TI keys as listed in (a) through (c) below:
(a) Peak Search (or Search).
(b) Marker, [MkrCF].
(c) Marker, [Delta].
(5) Set TI RES BW and SPAN for the first values listed in table 15.
(6) Press TI keys as listed in (a) through (c) below:
(a) Peak Search (or Search).
(b) Marker, [MkrCF].
(c) Peak Search (or Search).
(7) TI Mkr1 indication will be within the limits specified in table 15 for the RES
BW and SPAN settings under test.
(8) Repeat technique of (5) through (7) above for the remaining RES BW and SPAN
settings listed in table 15.