Agilent Technologies PSG Manual de instrucciones Pagina 145

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Programming the Status Register System
Status Groups
Chapter 3 131
Data Questionable Modulation Condition Register
The Data Questionable Modulation Condition Register continuously monitors the hardware
and firmware status of the signal generator. Condition registers are read-only.
Table 3-9 Data Questionable Modulation Condition Register Bits
Bit Description
0
Modulation 1 Undermod. A 1 in this bit indicates that the External 1 input, ac coupling on,
is less than 0.97 volts.
1
Modulation 1 Overmod. A 1 in this bit indicates that the External 1 input, ac coupling on, is
more than 1.03 volts.
2
Modulation 2 Undermod. A 1 in this bit indicates that the External 2 input, ac coupling on,
is less than 0.97 volts.
3
Modulation 2 Overmod. A 1 in this bit indicates that the External 2 input, ac coupling on, is
more than 1.03 volts.
4 Unused. This bit is always set to 0.
5
Pulse Generator Unlocked. 1 in this bit indicates that the internal pulse generator clock is
unlocked.
6
Internal Modulation Source Unlocked. A 1 in this bit indicates that the internal
modulation source clock is unlocked.
714 Unused. These bits are always set to 0.
15 Always 0.
Query: STATus:QUEStionable:MODulation:CONDition?
Response: The decimal sum of the bits set to 1
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