HP 54645A, User'S And Service Manual

Page: 292 / 301

E
ECL threshold, 4–51 to 4–52
Edge, 3–16
edge and pattern triggers combined, 3–22
edge qualifier in pattern trigger, 3–17
edge trigger, 3–16
applications of, 3–12
qualifying a pattern, 3–13
edges
defining for trigger, 3–20
Edit Label softkey, 4–46
entered (pattern trigger), 3–13
Entry knob, 3–17
choosing edge trigger channel, 3–16
choosing labels from list, 4–54 to 4–55
equation
for voltage behavior, 4–41
equipment
for testing threshold accuracy, 7–12
set up to test threshold accuracy, 7–13
Erase, 4–38
labels, 4–58
erasing the display, 4–35
error messages, 10–2
errors in operation
See solving problems
even field, 6–10 to 6–11
events
and pattern trigger, 3–13
capturing single-shot, 4–33
exchange program, 8–11
exploded view, 8–13
external trigger, 9–11
external trigger input
testing threshold accuracy, 7–12
F
factory-default settings, 2–18 to 2–19
failing self-tests
acquisition system, 7–11
fall time, 5–28 to 5–29
fan
remove to remove power supply, 8–8
removing, 8–4
Field 1, 6–8
Field 2, 6–8
fields
all, 6–9
alternate, 6–5
even, 6–10 to 6–11
Field 1, 6–5, 6–10 to 6–11
Field 1 softkey, 5–18
Field 2, 6–5, 6–10 to 6–11
Field 2 softkey, 5–18
Field 3, 6–10 to 6–11
Field 4, 6–10
odd, 6–10 to 6–11
firmware calibration, 7–33 to 7–34
flashing
of indicators on display, 2–13 to 2–14
forced trigger, 3–3
Freq softkey, 5–26
frequency
measurements, 5–26 to 5–27, 5–29
reject, 5–8 to 5–9, 5–18
front panel
dust cover, 1–7
flex bezel to remove keyboard, 8–9
functions, 2–6
hooks, 8–5
message, 10–4
removing, 8–5
retainer tabs, 8–5
front-panel keys
See keys listed by name
function generator, 7–13
set DC offset voltage, 7–14
functional controls, 2–6
G
GENERIC, 6–4 to 6–6
GENERIC mode, 6–6
glitch
capture, 5–11
trigger, 3–2
glitch mode, 2–14
good uses
for advanced trigger, 3–14
for edge trigger, 3–12
for pattern trigger, 3–13
grabbers
connect ground lead, 1–11 to 1–12
connect probe lead, 1–11 to 1–12
connecting to circuit ground, 1–11
connecting to ground lead, 1–11
part number for, 1–5 to 1–9
graticule
modifying settings, 2–33
preset configuration, 4–48
settings for hash marks, 2–33
grid
softkeys, 2–33, 6–2
ground
bounce, 4–41
inductance, 4–41
probes to make measurements, 4–42
ground lead
connect probe cable, 1–11 to 1–12
part number for, 1–5 to 1–9
H
half-bright contrast, 7–39
handle
adjusting, 1–9
removing from cabinet, 8–9
hash marks
in waveform display, 2–33
high-frequency
HF Rej softkey, 5–18
probe circuit, 4–40
pulse response, 7–36 to 7–37
reject, 5–8, 5–18
high-speed timing measurements
use probe ground, 4–42
holdoff, 3–6, 6–11
hooks on front panel, 8–5
horizontal
hold, 7–39
mode, 2–13
vernier, 2–27
horizontal system
performance characteristics, 9–5
HP service
component info packets, 8–2
exchanging assemblies, 8–11
mail order system, 8–12 to 8–17
obtain to solve problems, 7–4
HP-IB Interface module, 4–43
I
impedance of probes, 4–39 to 4–42
incorrect trace display, 7–5
indicators, 2–13 to 2–14
flashing, 2–13 to 2–14
Index
Index-3