General Instrument Setup
R&S
®
ESW
301
User Manual 1177.6298.02 ─ 08
If you start a self-alignment remotely and then select the "Local" softkey while the
alignment is still running, the instrument only returns to the manual operation state
after the alignment is completed.
Alignment results
The alignment results are displayed and contain the following information:
●
Date and time of last correction data record
●
Overall results of correction data record
●
List of found correction values according to function/module
The results are classified as follows:
PASSED
Calibration successful without any restrictions
CHECK
Deviation of correction value larger than expected, correction could however be per-
formed
FAILED
Deviations of correction value too large, no correction was possible. The found cor-
rection data is not applicable.
The results are available until the next self-alignment process is started or the instru-
ment is switched off.
Temperature check
During self-alignment, the instrument's (frontend) temperature is also measured (as
soon as the instrument has warmed up completely). This temperature is used as a ref-
erence for a continuous temperature check during operation. If the current temperature
deviates from the stored self-alignment temperature by a certain degree, a warning is
displayed in the status bar. The warning indicates the resulting deviation in the mea-
sured power levels. A status bit in the
STATUs:QUEStionable:TEMPerature
regis-
ter indicates a possible deviation. The current temperature of the RF frontend can be
queried using a remote command (see
SOURce<si>:TEMPerature:FRONtend
Touchscreen alignment
When the device is delivered, the touchscreen is initially calibrated. However, to ensure
that the touchscreen responds to the finger contact correctly, a touchscreen alignment
is required.
Alignment of the touchscreen is useful:
●
At first use
●
After an image update or after exchanging a hard disk
●
If you notice that touching a specific point on the screen does not achieve the cor-
rect response
●
If the position of the instrument has been changed and you cannot look straight on
the screen
●
If another person operates the instrument
Alignment
