TB 9-6625-2347-35
(7) Set TI CH 1 VOLTS/DIV switch to 2m.
(8) Adjust R145 (fig. 2) for exactly 5 divisions of TI vertical deflection (R).
(9) Set oscilloscope calibrator to STANDBY.
(10) Set TI CH 1 AC GND DC switch to GND.
(11) Set TI CH 1 VOLTS/DIV switch to 10m.
(12) Adjust CH 1 ⇕POSITION control to position trace on center horizontal
graticule line.
(13) Set TI CH 1 VOLTS/DIV switch to 2m.
(14) Adjust R138 (fig.2) to position trace on center horizontal graticule line.
(15) Repeat (11) through (14) above for minimum trace shift when setting CH 1
VOLTS/DIV from 10m to 2m.
(16) Set TI CH 1 VOLTS/DIV switch to 20m.
(17) Adjust CH 1 ⇕POSITION control to position trace on center horizontal
graticule line.
(18) Set TI CH 1 VOLTS/DIV switch to 10m.
(19) Adjust R146 (fig. 2) to position trace on center horizontal graticule line.
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