Performance Verification
WFM 601A, WFM 601E, & WFM 601M Service Manual
4–11
8. Voltage and Timing Cursors
REQUIREMENT – Voltage Accuracy: 0.5%. Timing Accuracy 1%.
a. To load the factory preset, press the PRESET button, use the bezel knob
to pick the FACTORY setting, then press the RECALL bezel button.
b. Set the signal bottom (blanking level) on the CRT graticule baseline.
c.
Ensure that the sweep rate, located in the upper right of the display,
indicates 10
m
s/div. If not, press the Line/Select button to select the
correct sweep rate.
d. Enter the CURSOR menu (VOLT should be selected). Press the CLEAR
MENU button if desired to remove the menu readout.
e.
Set the VOLT1 cursor to the 0.7 V line on the graticule.
f.
Set the VOLT2 cursor to the graticule baseline (0 V).
g. CHECK – that the cursor reading,
n
V, is 697 to 703 mV.
h. Go to the CURSOR MENU and select TIME.
i.
Set the Time1 cursor to the graticule left cardinal mark, and set the
Time2 cursor to the graticule right cardinal mark. See Figure 4–2.
TIME 1
TIME 2
TRACK
.7
.6
.8
.5
.4
.3
.2
.1
–.1
–.2
–.3
Tek
COMPONENT ANALOG
2% & 4% K
PB
100%
50%
Left Cardinal Mark
Right Cardinal Mark
Figure 4–2: Timing cursors
Содержание WFM 601A
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