Tektronix TDS 500D series - Table 1-6: Trigger Level Accuracy Readout

Performance Tests
1–54
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
H Set the vertical SCALE to 200 mV.
H Press VERTICAL MENU, then press the main-menu button
Position.
H Set vertical position to –3 divisions (press –3, then ENTER, on the
keypad). The baseline level will move down three divisions. See
Figure 1–17 on page 1–55.
H Press the main-menu button Offset.
H Set vertical offset to +10 volts (+5 volts for the TDS 794D) with the
keypad. The baseline level will move off screen.
H Set the standard output of the DC calibration generator equal to the
offset. The DC test level will appear on screen. See Figure 1–17.
b. Measure the test signal:
H Press SET LEVEL TO 50%.
H Press TRIGGER MENU.
H Read the measurement results from the readout below the label
Level in the main menu, not the trigger readout in the graticule area.
c. Read results (Check against limits): See Figure 1–17.
H CHECK that the Level readout in the main menu is within the
ranges listed in Table 1–6.
Table 1–6: Trigger level accuracy readout
Instrument Minimum Maximum
TDS 600B 9.863 V 10.137 V
TDS 500D/700D 9.8853 V 10.1147 V
TDS 794D 4.8953 V 5.1047 V
H Enter voltage on test record.
H Press the main-menu button Slope; then press the side-menu button
for negative slope. See icon at left. Repeat substep b.
H CHECK that the Level readout in the main menu is within the
ranges listed in Table 1–6.
H Enter voltage on test record.