To display a time-stepped order track
1 Complete the task, “To measure an order track.”
2 Press [
Trigger
][
ARM SETUP
][
TIME STEP ARM
].
3 Press [
START RPM
] <number> [
RPM
] to specify tachometer frequency at which the first
measurement point should be armed.
4 Press [
START RPM USAGE
], then press one of the following: [
RPM INCREASING
]ifyou
want the first measurement point to be armed above [
START RPM
], [
RPM DECREASING
]
if you want it to be armed below [
START RPM
], or [
START RPM OFF
] if you want it to be
armed as soon as you press the [
Start
] hardkey.
5 Press [
Rtn
][
TIME STEP SIZE
]<number>[
S
] to specify how often the analyzer should
add a new point to the track.
6 Turn on the device-under-test (DUT), then press [
Start
].
Note: The analyzer measures at exact [
TIME STEP SIZE
] intervals only if
[
FREE RUN TRIGGER
] is selected under the [
Trigger
] hardkey.
For more information on controlling and analyzing waterfall displays, see chapter 9,
“Formatting the Display.”
Agilent 35670A
Operator's Guide Measuring Rotating Machinery
1-17