Models 707B and 708B Switching Matrix Reference Manual
Section 7: Command reference
707B-901-01 Rev. A / August 2010
7-179
Details
Although the status logical instrument reset affects these attributes, a system reset does not.
These attribute's values are set using a constant or a decimal value, but are returned as a decimal value. The
binary equivalent of the value indicates which register bits are set. In the binary equivalent, the least significant
bit is bit B0, and the most significant bit is bit B15. For example, if a value of
1.04
(which is 10,240) is
read as the value of the condition register, the binary equivalent is
0010 1000 0000 0000
. This value
indicates that bit B11 and bit B13 are set.
B15
B14
B13
B12
B11
B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
** > > > > > > > > > > > > > > *
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
* Least significant bit
** Most significant bit
Assigning a value to this attribute enables one or more status events. When an enabled status event occurs, the
corresponding bit is set in the event register.
The individual bits of the status byte condition register can be set to the following described values (for example,
to set bit B0, set
status.operation.enable
= status.MSB)
:
Bit Value
Description
B0-B10
Not used
Not applicable
B11
status.PROMPTS
status.PRMPTS
Set bit indicates that command prompts are enabled. Bit 11
decimal value: 2,048
B12
status.USER
Set bit indicates that an enabled bit in the
status.operation.user
register is set.
Bit 12 decimal value: 4,096
B13
Not used.
Not applicable.
B14
status.PROGRAM_RUNNING
status.PROG
Set bit indicates that a program is running.
Bit 14 decimal value: 16,384
B15
Not used
Not applicable
In addition to the above constants,
operationRegister
can be set to the decimal equivalent of the bit to set.
To set more than one bit of the register, set
operationRegister
to the sum of their decimal weights. For
example, to set bits B11 and B14, set
operationRegister
to 18,432 (which is the sum of 2048 + 16,384).
a
Bit
B7 B6 B5 B4 B3 B2 B1 B0
Binary
value
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
Decimal
128
64 32 16 8 4 2 1
Weights (2
7
) (2
6
) (2
5
) (2
4
) (2
3
) (2
2
) (2
1
) (2
0
)
Bit
B15 B14 B13 B12 B11 B10 B9 B8
Binary
value
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
Decimal
32,768
16,384
8,192 4,096 2,048 1024 512 256
Weights (2
15
) (2
14
) (2
13
) (2
12
) (2
11
) (2
10
) (2
9
) (2
8
)
Example 1
operationRegister = status. status.PROG
status.operation.enable = operationRegister
Sets the PRMPTS and PROG bits of the
operation status enable register register
using constants.
