HP 54645A, Руководство пользователя и сервисное руководство

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trigger event
position in acquisition memory, 4–22 to
4–28
trigger mode
Auto, 2–13 to 2–14
Normal, 2–13 to 2–14
trigger not found
and auto trigger, 3–3
trigger system
Option 005 characteristics, 9–11
performance characteristics, 9–7
troubleshooting
oscilloscope, 7–2, 7–17
TTL threshold, 4–51 to 4–52
turning channels on and off, 2–24
TV
trigger, 5–18, 5–21, 6–12
trigger mode, 5–18
trigger-both fields, 5–21
vertical sync, 5–21
U
undo Autoscale, 2–18 to 2–19, 4–48, 6–4
unexpected trace display, 7–5
unhooking power switch shaft, 8–8
unique states in waveform and pattern
trigger, 3–13
user interface
overview of, 2–6
user-defined threshold, 4–51 to 4–52
using
Auto trigger mode, 3–22
Normal trigger mode, 3–22
oscilloscope, 1–2 to 1–3
V
variables in probing, 4–42
vectors 2–4, 4–16
vernier
horizontal, 2–27
vertical, 2–21 to 2–22
Vernier softkey, 2–22, 2–27
Vert Rej, 6–7
vertical
expand about center screen, 2–23
expand about ground, 2–23
interval, 6–7 to 6–8
interval reject, 6–7
interval test signal (VITS), 6–5, 6–12 to
6–13
linearity, 7–39
reference, 2–23
reject, 6–7
scaling, 2–21
sensitivity, 2–21
size, 7–39
step size, 2–22
sync, 5–21
sync interval, 6–8
Vertical Sync, 6–10
video
autoscale, 6–4, 6–12
signal, 6–4
signal components, 6–8
signal envelope, 6–10
signal unclamped, 6–12
trigger, 5–18, 5–21, 6–12
waveforms, 5–18 to 5–21, 6–12 to 6–13
VITS, 5–18
voltage
adjustment, 7–30
behavior in probe grounding, 4–41
logic threshold, 4–51 to 4–52
measurement accuracy, 7–16 to 7–18
measurements, 5–32 to 5–34
models, 4–41
peak-to-peak, 5–33
Vavg, 5–33
Vbase, 5–34
vernier, 2–22
Vmax, 5–34
Vmin, 5–34
Vrms, 5–33
Vtop, 5–33 to 5–34
volts versus time, 5–14
volts versus volts, 5–14
Volts/Div knob, 2–21
W
warm up
oscilloscope before testing, 7–13
test equipment, 7–13
waveform
complex, 3–6
does not show grounding problems, 4–41
saving, 4–46 to 4–47
width, 5–28 to 5–29
waveform display
and labels, 4–53 to 4–58
erasing, 4–38
waveform events
and pattern trigger, 3–13
apply advanced trigger, 3–22
picking known sequence, 3–22
questions to find sequence, 3–22
setting up display, 3–22
X
XY
cursors, 5–14 to 5–17
display mode, 5–14 to 5–17
measurements, 5–16
softkey, 5–14
Z
zoom the waveform, 4–18, 4–28, 5–3
Index
Index-8