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Programming Manual
This command is used to set whether the channel for input signal (Active channel) keeps the current status
when inautomatic setting.
AUTO represents that the active channel is automatically set by the preset parameter; KEEP represents by
the the active channel is automatically set based on the current status.
Return format：
Query {AUTO|KEEP}.
For example：
SYSTem:AUTO:SIGNal
:
The active channel keeps the automatic setting of the current status.
SYSTem:AUTO:SIGNal
:
KEY Command
This command is used to control the key and rotary knob on the operating panel of the oscilloscope.
:KEY:<key>
Command format：
:KEY:<key>
:KEY:<key>:LOCK { {1 | ON} | {0 | OFF} }
:KEY:<key>:LOCK?
:KEY:<key>:LED?
Functional description：
This command is used to set key function and lock/unlock function. <key> definition and description refer
to Appendix 1：Key List
Return format：
Query returns key status or LED indicator status;
Lock status: 0 represents the key is unlock, 1 represents the key is locked;
LED status：0 represents LED indicator is lightless, 1 represents LED indicator is lit up. For RUN/STOP key,
0 represents in red, 1 represents in green.
For example：
:KEY:AUTO
Automatically set the each control parameter of the oscilloscope.
:KEY:AUTO:LOCK ON/OFF
:KEY:AUTO:LOCK?
:KEY:AUTO:LED?
Query returns LED status, 0 represents LED indicator is lightless.
CHANnel Command
This command is used to set each channel independently. <n> take value from 1/2/3/4, it represents {CH1/CH2/
CH3/ CH4} separately.
Instruments.uni-trend.com
KEEP
?
Query returns KEEP.
Lock/unlock key.
Query returns key status, 1 represents the key is locked.
MSO/UPO2000 Series
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