User manual

Chapter 2 Command System RIGOL
DP700 Programming Guide 2-33
:SYSTem:ERRor?
Syntax
:SYSTem:ERRor?
Description
Queries the last error message in the error queue and clears the error message.
Remarks
DP700 series allows you to view the last 5 errors.
Return Format
The number and contents of the error message, such as -113,"Undefined header; keyword cannot be
found"
:SYSTem:FAN?
Syntax
:SYSTem:FAN?
Description
Queries the self-test result of the fan.
Remarks
 The power supply performs the self-test operation when it is powered on. Sending this command can
query the self-test result of the fan.
 You can also send the
*TST? or :SYSTem:SELF:TEST? command to query the self-test result of the
instrument.
Return Format
A string. For example, FAN:PASS
Related Commands
*TST?
:SYSTem:SELF:TEST?
:SYSTem:KLOCk
Syntax
:SYSTem:KLOCk <key>,<state>
:SYSTem:KLOCk? <key>
Description
Locks or unlocks the specified key on the front panel.
Queries whether the specified key on the front panel is locked or not.
Parameter
Name Type Range Default
<key> Discrete Refer to Remarks --
<state> Bool {ON|OFF|1|0} 0
Remarks
 DP700 series power supply provides the key locking functions to avoid any loss caused by
misoperation.