LCX_UserManual_en_08_1.pdf - 第104页

Instrument functions R&S ® LCX Series 104 User Manual 1 179.2260.02 ─ 08 "Duration" Records measurement readings within a defined time period. T o set the time period, see "Duration" on page 104. …

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Instrument functions
R&S
®
LCX Series
103User Manual 1179.2260.02 ─ 08
Enabled
Activates data acquisition and saving the readings.
Remote command:
LOG[:STATe] on page 222
Save Location
Opens a dialog where you can select how to determine the location for the file.
"Auto"
Selects the target folder automatically.
"Manual"
Enables you to select and define the target folder on the USB flash
drive.
Target Folder
With a USB flash drive connected, accesses a dialog to select the memory partition
where you want to save the file.
The R&S LCX sets the path and file folder according to the function used to create and
save the data.
Without the USB flash drive, the R&S LCX saves the file on the internal memory auto-
matically.
"USB1A"
Sets the destination folder on the USB flash drive.
"int"
Sets the destination folder on the internal memory.
Mode
Selects a logging mode.
When enabled, each mode records data at specified intervals, set with "Interval"
on page 104.
The R&S LCX starts recording depending on the selected mode, and if you enable
data logging, see "Enabled" on page 103.
"Unlimited"
Records data continuously.
Data logging starts immediately with Enabled > ON, and continues
until you stop the logging function.
The amount of recorded data is limited by the size of the memory the
data is saved on.
"Count"
Records a defined number of measurement readings.
To determine the number, see "Count" on page 104.
Data logging starts immediately with Enabled > ON. It stops when the
number of readings is reached.
Specific instrument functions
Instrument functions
R&S
®
LCX Series
104User Manual 1179.2260.02 ─ 08
"Duration"
Records measurement readings within a defined time period.
To set the time period, see "Duration" on page 104.
Data logging starts immediately with Enabled > ON. It stops after the
duration time has elapsed.
"Span"
Records measurement readings from a certain start time for a defined
time span.
To set the parameter, see "Duration" on page 104.
Data logging starts at the start time and with Enabled > ON. It stops
automatically after the duration time has elapsed.
Remote command:
LOG:MODE on page 221
Interval
Sets the time period for data logging.
The measurement interval specifies the time between the recorded measurement val-
ues.
Note: You can set the instrument to log each measurement performed by setting the
interval value to 0 s, regardless of the selected measurement mode.
Remote command:
LOG:INTerval on page 221
Count
Sets the number of measurement readings for data logging Mode > Count.
Remote command:
LOG:COUNt on page 220
Duration
Sets the time period for data logging Mode > Duration or Mode > Span.
The maximum logging duration is 96 hours.
Remote command:
LOG:DURation on page 220
Start Time
Sets the time for starting data logging in Mode > Span.
At first, you can set the date. When confirmed, the dialog for setting the time opens
automatically.
How to: see "Configuring logging settings" on page 105.
Remote command:
LOG:STIMe on page 221
Set Date & Time ← Start Time
Accesses the "Set Date & Time" function to configure a date and time stamp for the
recorded data in logging Mode > Span.
How to: see "Configuring logging settings" on page 105.
Specific instrument functions
Instrument functions
R&S
®
LCX Series
105User Manual 1179.2260.02 ─ 08
Remote command:
LOG:STIMe on page 221
8.8.3.2 Using the logging function
The logging function enables you to record the measurement readings. The R&S LCX
stores the data with a generically created filename either on the USB flash drive or in
the instrument internal memory directory.
To select the measurement parameter pairs:
► Proceed as described in "Selecting the parameters" on page 73
Remote commands:
FUNCtion:IMPedance[:TYPE][:PRIMary] on page 212
FUNCtion:IMPedance:TYPE:SECondary on page 213
Selecting the memory location
To determine the destination for saving the logging data file:
1. Press the [settings] key at the front panel.
2. In the "Functions" tab, select "Logging".
3. To determine the memory location, e.g., manually:
a) Select "Save Location".
The R&S LCX opens a selection editor.
b) In the selection editor, select "Manual".
c) Confirm your selection.
4. If you have connected an external USB memory device:
a) Select "Target Folder".
The R&S LCX opens a selection editor.
b) Select "USB1A".
c) Confirm with "Select".
Note: With no USB connected, the instrument displays a message and automati-
cally sets the internal partition, when confirmed.
The R&S LCX saves the logging file in the predefined logging folder on the
selected memory location.
Configuring logging settings
The example shows the settings for logging mode "Span", with the parameters "Inter-
val", "Duration" and "Start Time" defined.
To configure the settings and activate logging:
1. Press the [settings] key at the front panel.
2. In the "Functions" tab, select "Logging".
Specific instrument functions