HP 54620A, User'S And Service Manual

Page: 230 / 243

front panel
dust cover, 24–26
flex bezel to remove keyboard, 188
functions, 35–36
hooks, 184
message, 210
removing, 184
retainer tabs, 184
full-bright display, 58
function generator, 170
connect to for test, 171
for testing time interval accuracy, 173
set DC offset voltage, 172
setting up, 175
functional controls, 35–36
functions
on softkeys, 41
fuse, 168
G
general performance characteristics,
204–206
glitch
as part of waveform, 92
capture and aliasing, 144
categories of, 143–148
detection, 143–148
shown in delayed sweep, 146
glitch capture
performance characteristics, 199
glitch detection circuitry, 130
glitch mode, 39, 48
good uses for advanced trigger, 67
good uses for edge trigger, 65
good uses for pattern trigger, 66
grabbers
connecting to circuit ground, 42
connecting to ground lead, 42–43
connecting to probe lead, 42–43
part number for, 22–23
graticule, 40
modifying settings, 87
preset configuration, 119
settings for hash marks, 81, 87
grid, 40
softkeys, 87
ground
probes for making measurements, 142
ground bounce, 141
ground inductance, 141
ground lead
connecting to probe cable, 42–43
part number for, 22–23
H
half-bright
contrast, 163
display, 58
handle
adjusting, 28
removing from cabinet, 189
hash marks
in waveform display, 81, 87
hazardous voltages, 181
hex readout, 94–95
high-frequency probe circuit, 140
high-speed timing measurements
use probe ground, 142
hold time, 102–103
hold time measurement, 103
hooks on front panel, 184
hookups
for external trigger, 106
for triggering oscilloscope, 107
horizontal
hold, 163
mode, 39, 198
horizontal system
performance characteristics, 198
HP service
component info packets, 180
exchanging assemblies, 190
mail order system, 191–194
obtain to replace parts, 152–154
obtain to solve problems, 123
order dummy load, 158
policy for replacing assemblies, 164
HP-IB Interface module, 111
I
immediate-action keys, 41
impedance of probes, 139–142
incorrect trace display, 124
increase
repetition of trigger output, 107
sweep speed, 145
trigger output rate, 110
indicators, 39
flashing, 39
for cursor settings, 95
measurement, 38
status, 38–39
STORE, 58
initializing label list, 64
input channels
performance characteristics, 197
input comparators, 54
input for external trigger, 108
input frequency calculated, 96
input period calculated, 97
input signals
setting threshold for, 53–54
input swing
minimum for analyzer, 109
intensity control
adjusting, 162–163
interface module
what to do if troubleshooting, 165–167
interface modules
documentation for installing and
configuring, 88
make trace memory non-volatile, 111
used for printing, 81
interface parameters, 88
interfaces
message, 211
interval
of auto trigger, 70, 131
interval for sampling
concepts, 129–138
Inverse color palettes, 30
irregular patterns
use cursors to measure, 97
K
keyboard
See keypad
removing, 188
self-test, 153–154
test, 151
keypad, 37
Index
229