Preparing for Use
R&S
®
SMW200A
23
Getting Started 1412.9220.02 ─ 21
●
Self-test
A self-test is provided for service purposes ("System Config > Setup > Mainte-
nance > Selftest").
●
Test points
If necessary for service purposes, internal test points can be queried. These
tests are protected test procedures, which can be accessed if protection level
2 is disabled. The corresponding procedure is described in the Service Man-
ual.
4.1.8
Default Settings
When the instrument is switched on, it is not the preset state that is active, but the
state that was set before the instrument was switched off. Use the [PRESET]
function to return the instrument to its defined preset state every time a new con-
figuration is required or the current setup is no longer relevant.
The R&S
SMW offers a four-stage preset concept:
●
Preset of one individual parameter
The selective preset on a parameter basis is triggered over the "Preset this
parameter" function in the context menu
●
Preset of the settings belonging to a digital standard or associated with one
dialog
Most of the dialog boxes provide a special "Set to Default" function that resets
the settings associated to the corresponding dialog. This function is available
for all digital modulation settings and the ARB generator.
These settings are identical to the settings called up using the [PRESET] key.
●
Preset of the instrument to a predefined state
The [PRESET] key calls up a defined instrument setup. All parameters and
switching states are preset (also the states of inactive operating modes). The
default instrument settings provide a reproducible initial basis for all other set-
tings. However, functions that concern the integration of the instrument into a
measurement setup are not changed, for example reference oscillator source
settings.
●
Preset of the instrument to its factory settings
The instrument can also be forced to load its default factory settings, except
that the security settings are not affected. To access the corresponding dialog
box, select the "Taskbar > System Config > Setup > Settings > Factory Pre-
set" function.
Putting into Operation
