TB 9-6625-2099-35
AND TEKTRONIX, TYPES 7A18A AND 7A18A W/OPTION 06
6. Preliminary
Instructions
a. The
instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
c. Unless otherwise specified, verify the results of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturer's manuals for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Remove protective cover from TI only when necessary to make adjustments. Replace
cover after completing adjustments.
b. Remove the left side panel from the oscilloscope and install TI into oscilloscope left
vertical compartment and time base into horizontal right compartment.
c. Connect oscilloscope to a
115 V ac
power source. Energize oscilloscope and
allow at
least 20 minutes for warm up.
d.
Position oscilloscope controls as
listed in
(1) through (3) below:
(1) Press VERT MODE/LEFT pushbutton.
(2) Press TRIG SOURCE/VERT MODE pushbutton.
(3) Adjust INTENSITY, FOCUS, READOUT, and GRAT ILLUM controls as
desired.
e. Position TI controls as listed in (1) through (7) below:
(1) DISPLAY MODE switch to CH 1.
CHANGE 1
4