Local Control (Local Mode) R&S SU 4200
3.19 6125.0226.12.01
3.4.2.6 SQ Key
Function
By using the SQ key, you can open or close noise suppression (squelch) at
any time independently of the current menu. The only precondition is the
local mode.
SQ key\SQ key "Name ".doc
Note: The SQ key has no function in the transmitter.
3.4.2.7 LOC Key
Function on radio
The LOC key enables you to switch between local and remote mode at any
time independently of the current menu. The local mode has priority over
remote accesses, i.e. a remote fixed session over the Ethernet LAN or
RS-485 interfaces will automatically be terminated if you select local mode
by pressing this key. If you press the key a second time, local mode will be
terminated, at which point a remote client must re-initiate the session to the
device (or to the modules).
Deactivation
You can deactivate the LOC key from the service PC (USB configuration),
thus blocking local mode altogether (protection from improper use).
Key operation
messages
By using the service PC (USB), you can configure whether a local access
leads to a warning message or not. The local mode state would then be
reflected in the CBIT status. In addition, the start and end of the local mode
will be stored in the event log together with time information. If applicable,
this information will also be sent to the fault management system.
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