3
Programming
184
Keysight 53147A/148A/149A Operating and Programming Guide
Operation Status Register Group
The Operation Status Register Group monitors conditions which are part of the
instrument's normal operation and has a complete set of registers that consist of
the following:
– a condition register
– a positive transition filter register (PTR)
– a negative transition filter register (NTR)
– an event register
– an event enable register
lists the Operation Status Register bits and briefly describes each bit.
Table 3-11
Operation Status Register
Bit
Weight
Description
0
—
Not used
1 - 3
—
Not used
4
16
Measuring
5
32
Waiting for Trigger
6 - 8
—
Not used
9
512
Using Internal Reference
10
—
Not used
11
Acquiring
12
Locked
13 - 14
—
Not used
15
—
Not used, since some controllers may have difficulty reading a 16-bit
unsigned integer. The value of this bit is always 0.
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