General instrument functions
R&S
®
SMA100B
367User Manual 1178.3834.02 ─ 09
"Touchscreen Off"
Locks the touch sensitivity of the screen.
This security feature protects the instrument against unintentional
change of settings by accidentally touching of the screen.
Still available controls for manual operation are:
●
The keys at the front panel, including the rotary knob
●
The external mouse and keyboard
●
Remote operation over VNC
The instrument indicates the locked touchscreen by an icon
.
Unlocking is possible via VNC, external controls or remote control.
"VNC Only"
Locks the keys at the front panel, the touchscreen and externally con-
nected keyboard and mouse.
The display on the screen remains and shows the current settings
and changes.
The instrument indicates the activated "VNC only" feature by the icon
.
Unlocking is possible via VNC or turning off and on again.
"Display Only"
Locks the manual operation of the instrument. The display on the
screen remains and shows the current settings and changes.
This security feature protects the instrument against unauthorized
access, but still shows the current settings and processes, for exam-
ple when you operate the instrument via remote control.
The function disables:
●
The touchscreen functionality of the display
●
The keys at the front panel of the instrument
●
The external mouse and keyboard
The instrument indicates the locked controls by a padlock
softkey.
How to unlock: see "Unlocking (reactivating) the user interface for
manual operation" on page 375.
"Disabled"
Locks the display and all controls for the manual operation of the
instrument.
This security feature protects the instrument against unauthorized
reading and access, for example when you operate the instrument via
remote control.
The function disables:
●
The display
●
The touchscreen
●
The keys at the front panel of the instrument
●
The external mouse and keyboard
The screen shuts off and displays a padlock symbol
instead.
How to unlock: see "Unlocking (reactivating) the user interface for
manual operation" on page 375.
Remote command:
:SYSTem:ULOCk on page 719
:SYSTem:DLOCk on page 718
:SYSTem:KLOCk on page 719
Using the security settings
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