Remote Operation 
 
5-62  M370430-01  Rev B 
Locking and Unlocking the Front Panel 
Locking out the front panel will prevent any of the buttons from 
functioning. All the buttons and knobs on the front panel will display the 
LOCL LOC message to be display on the Current and Voltage displays if 
pressed or rotated. This mode prevents any changes to the unit from the 
front panel. See the following procedure to lock and unlock the front 
panel. 
The SCPI Commands for these instructions are: 
[:]SYSTem[<channel>]:REMote:STATe {?|LOCal|REMote} 
Where: 
LOCal is used to set the front panel mode to local. 
REMote is used to set the front panel into locked mode (remote). 
For example: 
SYST : REM: STAT  REM Front panel is locked (remote digital 
programming mode only). 
SYST : REM: STAT  LOC Front panel is unlocked. 
SYST : REM: STAT ? Query for status 
Auto Sequence Programming 
Auto Sequence programming lets you execute a program stored in 
the power supply's memory. The program that can be stored in 
memory can be composed of any of the SCPI commands described 
in this Manual. 
For example, Auto Sequence programming allows you to set the 
timer to turn the power output of the supply Off or On after a time 
interval or to program voltage sequences. 
When a program is activated each command stored in the buffer is 
executed as if the operator had sent the command by typing it in. A 
variable delay time called dwell is spent between commands. The 
dwell time can range from 0 seconds to 180 seconds. See “Setting 
Dwell Time” on page 5-63. 
The Auto Sequence program will be cleared after AC power is 
turned off; however, a procedure exists for storing it in a text file 
which can be reloaded at a later date.