TB 9-4931-540-24
(39) Press keys and enter values using ENTRY keys as listed in (a) through (h) below:
ENTRY INSTR PRESET.
(a)
ENTRY STOP FREQ to 20 kHz.
(b)
ENTRY blue shift and then ENTRY CAL OFF.
(c)
SWEEP ENTRY MANUAL to 3.2 kHz.
(d)
RBW-VBW-ST ENTRY RES BW to 300 Hz.
(e)
RBW-VBW-ST ENTRY VIDEO BW to 1 Hz.
(f)
MARKER/CONTINUOUS ENTRY COUNTER to on.
(g)
or .
INPUT ENTRY RANGE to -15 dBm using ENTRY STEP
(h)
(40) Adjust oscillator frequency and level controls until TI counter frequency
indication is as close as possible to 3200 Hz and amplitude indication is as close as possible
to 15 dBm.
(41) Press keys and enter values using ENTRY keys as listed in (a) through (g) below:
(a) ENTRY blue shift and then MARKER/CONTINUOUS ENTRY MKR OFS
STEP.
ENTRY blue shift and then ENTRY CAL ON.
(b)
SWEEP ENTRY MANUAL to 0 Hz.
(c)
SWEEP ENTRY MANUAL and then ENTRY STEP .
(d)
MARKER/CONTINUOUS ENTRY COUNTER to off.
(e)
MARKER/CONTINUOUS ENTRY OFFSET to on.
(f)
MARKER/CONTINUOUS ENTRY ENTER OFFSET.
(g)
(42) Press SWEEP ENTRY MANUAL key and then ENTRY STEP
key twice. TI
marker amplitude indication will be <-80 dBm.
(43) Disconnect oscillator from TI 50-75
input.
(44) Connect oscillator OUTPUT to TI 1 M
input using a 50
feedthrough
termination.
(45) Press keys and enter values using ENTRY keys as listed in (a) through (i) below:
ENTRY INSTR PRESET.
(a)
ENTRY STOP FREQ to 20 kHz.
(b)
ENTRY blue shift and then ENTRY CAL OFF.
(c)
SWEEP ENTRY MANUAL to 6.4 kHz.
(d)
RBW-VBW-ST ENTRY RES BW to 300 Hz.
(e)
RBW-VBW-ST ENTRY VIDEO BW to 1 Hz.
(f)
MARKER/CONTINUOUS ENTRY COUNTER to on.
(g)
or .
INPUT ENTRY RANGE to -15 dBm using ENTRY STEP
(h)
INPUT IMPEDANCE 1 M to on.
(i)
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