Common Commands 
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*RCL 
This command restores the electronic load to a state that was previously 
stored in memory with a *SAV command to the specified location.
 
Command syntax 
*RCL <NRf> 
Parameter 
0~9 
*TST? 
This query causes the electronic load to do a self-test and report any errors. 
0 indicates the load passes its self test. Non-zero indicates an error code. In 
addition, a false information will be generated when the test fails. 
Query Syntax: 
*TST? 
Parameter: 
None 
Returned value: 
<NR1>