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156 Keysight InfiniiVision 1000 X-Series Oscilloscopes Programmer's Guide
6 Root (:) Commands
:OVLRegister (Overload Event Register)
(see page 782)
Query Syntax
:OVLRegister?
The :OVLRegister query returns the overload protection value stored in the
Overload Event Register (OVLR). A "1" indicates an overload has occurred.
Return Format
<value><NL>
<value> ::= integer in NR1 format.
See Also "Introduction to Root (:) Commands" on page 135
":CHANnel<n>:PROTection" on page 215
":OPEE (Operation Status Enable Register)" on page 148
":OVLenable (Overload Event Enable Register)" on page 154
"*STB (Read Status Byte)" on page 127
"*SRE (Service Request Enable)" on page 125
Table 49 Overload Event Register (OVLR)
Bit Description When Set (1 = High = True), Indicates:
15-8 --- (Not used.)
7 Channel 2 Fault Fault has occurred on Channel 2 input.
6 Channel 1 Fault Fault has occurred on Channel 1 input.
5-2 --- (Not used.)
1 Channel 2 OVL Overload has occurred on Channel 2 input.
0 Channel 1 OVL Overload has occurred on Channel 1 input.
98101112131415
To OVLR bit in
Operati on Status
Register
+
OR
10234567
:OVLR?
Overload Event Register
:OVL
:OVL?
Overload Event Enable
(Mask) Register
Ch a n 2
OVL
Ch a n 1
OVL
Ch a n 2
Fault
Ch a n 1
Fault