Appendix A SCPI Command Reference
STATus subsystem
278 WCDMA Options Version 6.20
:STATus:OPERation:SIGNalling:GSM[:EVENt]?
:STAT:OPERation:SIGNalling:GSM:CONDition?
Syntax
:STATus:OPERation:SIGNalling:GSM[:EVENt]?
Parameters
There are no parameters.
Description
Reads out the current contents of the signaling operation event register.
Note: Event-type registers are read-only and self-destructive. They will be cleared
after any query.
Query
There is only a query form of this command available. The query will return a string,
containing one integer.
The value returned represents all signaling operation events that have occurred since
the last query of this register. As with any event-type register, the single bits will
remain set even when the reason for the bits to be set is no longer valid. Please note
that this is the main difference between event-type and condition-type registers.
Condition-type registers reflect the current state of the Willtek 4400. Consequently,
condition-type registers will be updated continuously.
The bits of the signaling operation event register have the following meaning:
Bit 0 (decimal 1): The 4400 is in idle mode
Bit 1 (decimal 2): The 4400 is paging the mobile.
Bit 2 (decimal 4): A call has been established and is currently active.
Bit 3 (decimal 8): The BER loop has been closed.
Bit 4 (decimal 16): Async mode (e.g. Generator/Analyzer) active.
Bit 5 (decimal 32): The 4400 is calling the mobile under test. A BS call is in progress.
Bit 6 (decimal 64): Not used (reserved).
Bit 7 (decimal 128): Not used (reserved).
Bit 8 (decimal 256): Alerting.
Bits 9 through 15: Not used (reserved).
Notes
– For further details regarding the basic functions of the STATus subsystem, please
refer to section “Understanding the STATus subsystem” on page 229.
– In case, a certain event shall be trapped in a loop within a program, always query
the event-type register.
Example
:STATus:OPERation:SIGNalling:GSM:EVENt?
Value returned: "8".
This means that bit 3 of the signaling operation event register (stands for BER loop
being closed) has been set. For details on return data (bits and decimals and their
meaning) refer to section “Signaling operation register group” on page 260.
Syntax
:STAT:OPERation:SIGNalling:GSM:CONDition?
Parameters
There are no parameters.
Description
This command reads out the current contents of the signaling operation condition
register. This register reflects the current state of the Willtek 4400 in terms of signal-
ing and will be updated continuously.
Note: This register is nondestructive. This means that it will keep its contents after
any query.
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