Local Operation 
 
3-42  M370430-01  Rev B 
Local Lockout 
Local lockout is a feature that allows the front panel to be locked so that 
accidental button presses are ignored. This feature is often used to 
lockout the front panel when you are controlling the power supply from 
a remote location. When in local lockout mode, the front panel will 
display   Loc whenever a button is pressed or a knob is turned. 
Enabling Local Lockout 
To enable local lockout: 
1.  Turn the 9-position mode control to the PGM position or 
press the rotary Adjust/Enter control if the control knob is 
already at the PGM position. 
The display will show   in the output voltage display and the 
selected remote interface in the output current display. 
2.  Turn the rotary Adjust/Enter control until the display shows 
. 
3.  Press the rotary Adjust/Enter control. 
4.  Turn the rotary Adjust/Enter control until the display shows 
. 
5.  Press the rotary Adjust/Enter control. Local lockout has been 
enabled. 
The SCPI command (s) for these instructions are: 
[:]SYSTem:REMote:STATe 
Disabling Local Lockout 
To disable local lockout: 
1.  Turn the 9-position mode control to the PGM position or 
press the rotary Adjust/Enter control if the control knob is 
already at the PGM position. 
The display will show   in the output voltage display and the 
selected remote interface in the output current display. 
2.  Turn the rotary Adjust/Enter control until the display shows 
  . 
3.  Press the rotary Adjust/Enter control. 
Local lockout will be disabled after power-cycling the power 
supply. 
The SCPI command (s) for these instructions are: 
[:]SYSTem[<channel(s)>]:REMote:STATe