HP 33120A User Manual page 27

Chapter 2 Remote Interface Operation
The SCPI Status Registers
The Questionable Data Register
The Questionable Data register reports the present lock state on bit 6.
The state of this bit can be reported in the Questionable Data
summary bit through the enable register. To set the enable register
mask, you must write a decimal value to the register using the
STATus:QUEStionable:ENABle command.
Bit Definitions – Questionable Data Register
Bit
0 Not Used
1 Not Used
2 Not Used
3 Not Used
4 Not Used
5 Not Used
6 Phase Unlocked
7 Not Used
8 Not Used
9 Not Used
10 Not Used
11 Not Used
12 Not Used
13 Not Used
14 Not Used
15 Not Used
The Questionable Data event register is cleared when:
• You execute a *CLS (clear status) command.
• You query the event register using STATus:QUEStionable:EVENt?.
The Questionable Data enable register is cleared when:
• You turn on the power (*PSC does not apply).
• You execute the STATus:PRESet command.
• You execute the STATus:QUEStionable:ENABle 0 command.
Decimal
Value Definition
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
64 The function generator has lost phase lock.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
— Always set to 0.
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