TB 9-6625-143-24
(24) Move connection from TI ch 3 to TI ch 4.
(22) Press TI ch 4 key to on and TI ch 3 key to off.
(23) Repeat technique of (3) through (17) above utilizing TI ch 4 controls and
settings.
(24) Disconnect equipment setup.
b. Adjustments. Complete all performance checks through paragraph 12 for as found
a. Performance Check
(1) Set TI ch 1 key to On and all other TI ch keys to off.
(2) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 through a 50 Ω
feedthrough to TI ch 1 input.
(4) Press TI Display key, then set [Vectors] to off.
(5) Press TI Autoscale key.
(6) Set TI Horizontal 50 s 5 ns knob to 20 s.
(7) Press TI Main/Delayed key, then set [Time Ref] to Left.
(8) Adjust TI Trigger Level knob for a stable display.
(9) Press TI Quick Meas key, then set [Source] to 1.
(10) Press TI [Select] key.
(11) Use TI knob to select Period.
(12) Press TI [Measure Period] key. If TI Period indication is not between 99.79
and 100.21 s, perform b below.
(13) Set oscilloscope calibrator MARKER output to 1 s.
(14) Set TI Horizontal 50 s 5 ns knob to 200 ns.
(15) Press TI [Measure Period] key.
If TI Period indication is not between
997.9 ns and 1.0021 s, perform b below.
(17) Set TI Horizontal 50 s 5 ns knob to 5 ns.
(18) Press TI [Measure Period] key. If TI Period indication is not between 9.91
and 10.09 ns, perform b below.
b. Adjustments. Complete all performance checks through paragraph 12 for as found