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Performance Tests
1–76
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
n. Use the keypad to set the fine scale to 75 mV (press 75, SHIFT, m, then
ENTER).
o. CONFIRM that the TRIG’D LED stays lighted and that the waveform
on screen is stable. That is, it does not move horizontally or vertically.
Also, CONFIRM that the waveform on the screen has one positive pulse
and a number of negative pulses. See Figure 1–30.
Positive pulse
Negative pulses
Figure 1–30: Triggered signal range test – 75 mV
p. Disconnect all test equipment (TSG121) from the oscilloscope.
5. Check 60 Hz Rejection.
a. Set up oscilloscope for 60 Hz Rejection Test:
H Use the keypad to set the Ch1 Fine Scale to 282 mV (press 282,
SHIFT m, then ENTER).
H Press WAVEFORM OFF.
H Press CH2.
H Press VERTICAL MENU.
H Use the keypad set the fine scale to 2 V (press 2, then ENTER).
H Press HORIZONTAL MENU.