TB 9-6625-2344-35
8. Vertical Gain Accuracy
a. Performance Check
(1) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1-4 outputs to TI
channels 1-4 input connectors respectively.
(2) Press TI DEFAULT SETUP button.
(3) Click SETUP menu on top of TI display.
(4) From displayed drop-down menu, click ACQUISITION.
(5) In ACQUISITION SETUP window, click SAMPLING MODE EQUIVALENT
TIME and AVERAGING ENABLED box.
(6) Place cursor over # OF AVERAGES box and left click mouse to activate percent.
(7) Using either TI keyboard or mouse, enter 32 and click OK key.
(8) In ACQUISITION SETUP window, click CLOSE key.
(9) Click MEASURE menu on top of TI display.
(10) From displayed drop-down menu, select VOLTAGE.
(11) From VOLTAGE submenu, click V AVG.
(12) In ENTER MEASUREMENT INFO window, ensure CHANNEL 1 is selected
in SOURCE box and click OK key.
(13) Click SETUP menu on top of TI display.
(14) From displayed drop-down menu, click CHANNEL 1.
(15) In displayed CHANNEL SETUP window, place cursor over SCALE box and left
click mouse to activate percent.
(16) Using either TI keyboard or mouse, enter 5 and click OK key.
(17) In displayed CHANNEL SETUP window, place cursor over OFFSET box and
left click mouse to activate percent.
(18) Using either TI keyboard or mouse, enter 17.5 and click OK key.
(19) In displayed CHANNEL SETUP window, click CLOSE key.
(20) With oscilloscope calibrator in standby mode, press TI CLEAR DISPLAY
button and allow TI displayed readings to settle.
(21) Record TI displayed V AVG MEAN indication as V avg. 1.
(22) Set oscilloscope calibrator for a channel 1 output of 35 V dc.
(23) Press TI CLEAR DISPLAY button and allow TI displayed readings to settle.
(24) Record TI displayed V AVG MEAN indication as V avg. 2.