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Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Reference 113
:OVLRegister (Overload Event Register)
(see page 530)
Query Syntax
:OVLRegister?
The :OVLRegister query returns the overload protection value stored in the
Overload Event Register (OVLR). If an overvoltage is sensed on a 50
Ω
input, the input will automatically switch to 1 M
Ω input impedance. A "1"
indicates an overload has occurred.
NOTE
You can set analog channel input impedance to 50Ω. If there are only two analog channels,
you can also set external trigger input impedance to 50
Ω.
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Table 41 Overload Event Register (OVLR)
Bit Description When Set (1 = High = True), Indicates:
15-11 --- (Not used.)
10 External Trigger Fault Fault has occurred on External Trigger input.
9 Channel 4 Fault Fault has occurred on Channel 4 input.
8 Channel 3 Fault Fault has occurred on Channel 3 input.
7 Channel 2 Fault Fault has occurred on Channel 2 input.
6 Channel 1 Fault Fault has occurred on Channel 1 input.
5 --- (Not used.)