
Performing Configuration Tasks
R&S
®
SGU100A
108
User Manual 1176.7726.02 ─ 09
Table 9-1: Indication of the operating states
Operating
state
Description
Indication
Off
The instrument is shut down.
All LEDs on the front panel of the instrument
are off.
Booting
The instrument boots the operating system
and starts the instrument firmware.
If the previous session was terminated reg-
ularly, the instrument uses the last setup
with the relevant instrument settings.
The green [POWER ON /STAND BY] key
blinks.
Standby
The standby power mode keeps the power
switch circuits and the remote control sys-
tem active.
In this state, it is safe to switch off the AC
power and disconnect the instrument from
the power supply.
In the R&S SGMA-GUI, the status indicator in
front of the instrument name is red.
The orange [POWER ON /STAND BY] key is
on.
Ready
(normal
operation)
The instrument is ready for operation. All
modules are power-supplied.
In the R&S SGMA-GUI, the status indicator in
front of the instrument name is green.
The green [POWER ON /STAND BY] key is
on.
To switch the instrument to standby state
► Use one of the following:
a) On the remote PC, select "SGMA-GUI > Instrument Name > Setup > Standby".
b) Press the [POWER ON /STAND BY] key on the front panel of the instrument.
c) Send the SCPI command:
The current instruments settings are automatically stored. The instrument switches
to a power-saving mode.
In the R&S
SGMA-GUI, the standby state is indicated by the red state symbol in
front of the corresponding instrument's name, on the front panel, by the orange
[POWER ON /STAND BY] button.
The instrument can still be remote controlled.
To return the instrument from standby to ready state
► Use one of the following:
a) On the remote PC, select "SGMA-GUI > Instrument Name > Setup > Restart".
b) Press the orange [POWER ON /STAND BY] key on the front panel of the
instrument.
c) Send the SCPI command:
The instrument loads the last setup with all instrument settings, switches to ready
state and is ready for normal operation.
In the R&S
SGMA-GUI, the ready state is indicated by the green state symbol in
front of the instrument's name.
How to Switch between the Operating States