Chapter 7 SCPI
The communication-related subsystems
234 WCDMA Options Version 6.20
General questionable status register group
This group of registers is 16 bits wide and reflects the general questionable
status of the 4400. The events taken care of this group of registers are mainly
errors and warnings.
Some of the bits of this register (like bits 9,10 and 11) are summary bits. Those
summary bits are result bits of subordinate groups of registers and described
below.
RF questionable status register group
This group of registers is 16 bits wide. Its main task is to deal with warnings and
errors regarding the RF stages of the 4400.
The Result bit of this group of registers is forwarded to bit 9 of the general ques-
tionable status register group.
NOTE
The commands related to the general questionable status register group and
its subordinate groups of registers all start with
:STATus:QUEStionable:.
Bit Decimal Meaning
0 1 Voltage out of range. Not used on the 4400.
1 2 Current out of range. Not used on the 4400.
2 4 Time out of range. Not used on the 4400.
3 8 Power out of range. Not used on the 4400.
4 16 Temperature out of range. Not used on the 4400.
5 32 Frequency out of range. Not used on the 4400.
6 64 Phase out of range. Not used on the 4400.
7 128 Modulation out of range. Not used on the 4400.
8 256 Calibration out of range.
9 512 This is the RF summary bit. This is the Result bit of
the RF questionable status register group (see
below for details).
10 1024 This is the SYNChronization summary bit. This is
the Result bit of the SNYChronization questionable
status register group (see below for details).
11 2048 This is the AUDio summary bit. This is the Result bit
of the AUDio questionable status register group
(see below for details).
12 4096 Not in use.
13 8192 General warning, concerning the test set.
14 16384 Command not understood warning.
15 32768 Not in use.
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