signal and the scaling of the DA-channels can be modified here.
Spectra
:
This is the control key for the
Spectra
acquisition mode. The displayed
channels are selected in the
LockIn
mode.
Scope
:
Press this button to turn the instrument into Oscillo
s
cope
mode. The
displayed channels are selected in the
LockIn
mode.
Measure
:
This menu provides certain functions which make the usage of the
instrument easier, such as the frequency selection in a recorded spectrum.
Setup
:
In this menu the user can change some basic setup parameters, such as
the IP address of the device or the warning signal.
Note: When the parameters reach their maximum or minimum value, the
increase or the decrease actions have no effect.
3.1.2 S
CREEN
O
RGANIZATION
The screen is divided into three parts:
the main screen
the menu display and
the parameter display.
While the menu display helps to navigate through the parameter menus, the main
screen contains information, which is specific for the selected mode of the device. The
parameter display provides information, which is usually hidden behind several menu
entries.
The main screen shows:
current values of selected channels in
LockIn
mode,
acquired data in
Spectra
mode and Oscillo
scope
mode and
system parameters in the
Setup
mode.
The menu gives access to parameters. The menu trees are shown in the Figures 8 to 10.
Note that each menu entry consists of a name and some have a value.
This menu entry consists of a
name
“f1 [kHz]” and a
value
“10.000”. The value can be
changed with the
Up
and
Down
functions.
17 (58)
Figure 7: Screen organization at the example of the LockIn menu.
Содержание eLockIn 203
Страница 52: ...7 APPENDICES 7 1 SCHEMATIC DIAGRAM OF THE SIGNAL PATHS 52 58...
Страница 53: ...7 2 DIAGRAM OF THE LOCKIN AMPLIFICATION PATHS Diagram of the preamplifier switches 53 58...
Страница 54: ...7 3 FRONTPANEL DIMENSIONS 54 58...
Страница 55: ...7 4 INSTRUMENT SPECIFIC TEST SHEETS insert with 10 pages of data 55 58...
Страница 56: ...7 5 PREAMPLIFIER CONNECTOR PINOUT 56 58...
Страница 58: ...7 7 TRACEABILITY CHART 58 58...