HP ESA-E Series Programmer's Manual page 52

HP ESA Status Registers
Using the Analyzer Status Registers
The Questionable Status Power Condition Register contains the
following bits:
Figure 2-9
15
Bit Number
Questionable
2-22
Questionable Status Power
14 13 12 11 10 9
STATus:QUEStionable:POWer:CONDition?
Status Power Condition Register
Bit Description
0 Reserved. These bits are not used by the analyzer, but are for
future use with other HP products.
1 A 1 in this bit position indicates that the source (tracking
generator) output is unlevelled.
2 A 1 in this bit position indicates that the local oscillator (LO) in
the source (tracking generator) is unlevelled.
3 A 1 in this bit position indicates that the analyzer local oscillator
(LO) is unlevelled.
4 A 1 in this bit position indicates that the 50 MHz amplitude
reference signal is unlevelled.
5 Reserved. These bits are not used by the analyzer, but are for
future use with other HP products.
6 A 1 in this bit position indicates that the input overload protection
(HP ESA models E4401B and E4411B only) is tripped.
7 A 1 in this bit position indicates that the first local osillator (LO)
output is unlevelled.
8–14 Unused. These bits are always set to 0.
15 Always Zero (0).
event enable register
8 7 6 5 4 3 2 1 0
ck770a
Chapter 2