156 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide
6 Root (:) Commands
:OVLRegister (Overload Event Register)
(see page 798)
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 217
• ":OPEE (Operation Status Enable Register)" on page 148
• ":OVLenable (Overload Event Enable Register)" on page 154
• "*STB (Read Status Byte)" on page 127
Table 51 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
Op erati o n Status
Register

OR
10234567
:OVLR?
Overload Event Register
:OVL
:OVL?
Overload Event Enable
(Mask) Register
Chan2
OVL
Chan1
OVL
Chan2
Fault
Chan1
Fault
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