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Adjustment Procedures
TAS 455 and TAS 465 Service Manual
5Ć13
12. Connect the DC calibration generator to the EXT TRIG input as shown
in Figure 5Ć9.
DC Calibration Generator
Precision Cable
Figure 5Ć9:ăExternal Trigger Calibration Setup
13. Set the DC calibration generator for 500 mVDC output.
14. Select Done when completed.
15. Set the DC calibration generator for 5 VDC output.
16. Select Done when completed.
NOTE
The following steps use both the General Purpose Knob and the
TOGGLE button to make adjustments. The General Purpose Knob
performs two functions: adjust horizontal gain and centering. The
TOGGLE button selects the function of the General Purpose Knob.
17. Use a combination of the TOGGLE button and the General Purpose
Knob to position the dots 6 divisions apart, centered horizontally (see
Figure 5Ć10).
Gain and Position
Adjustment
Toggle Between
Gain and Position
Adjustment
Dots Six Divisions
Apart, Centered
Horizontally
Figure 5Ć10:ăVertical Adjustments