UNI-T UPO3000E Series - Chapter 2 Vertical Channel Settings; Channel Activation and Coupling; Vertical Scale and Bandwidth; Probe Attenuation Settings

UNI-T
UPO 3000E&UPO2000E Series Oscilloscope Programming Manual
KEY Command
This command is to control key and knob on oscilloscope panel.
:KEY:<key>
 Command format：
:KEY:<key>
:KEY:<key>:LOCK { {1 | ON} | {0 | OFF} }
:KEY:<key>:LOCK?
:KEY:<key>:LED?
 Functional description：
Set key function and lock/unlock this key. <key> definition and description see
Appendix 1：
<Key> List.
 Return format：
Query return lock status or LED status.
Lock status：0 presents unlock, 1 presents lock；
LED status：0 presents light off，1 presents light on（green），2 presents light on（red）.
 For example：
:KEY:AUTO set oscilloscope control value
:KEY:AUTO:LOCK ON/OFF lock/unlock key
:KEY:AUTO:LOCK? query return lock status of this key , 1 presents lock.
:KEY:AUTO:LED? query return LED status，0 presents light off