Section 2: General operation  Series 2280 Precision DC Power Supply Reference Manual 
2-90  077085503 / March 2019 
 
Calibration reset values 
Default value reset from 
MENU > System > 
Settings > Reset 
Default value reset by 
the *RST (on page 7-7) 
command or   
:SYSTem:PRESet (on 
page 7-124) command 
Not available from front panel 
:CALibration:PROTected:STATe (on page 7-
44) 
MENU > System > Settings > System 
Password > Calibration 
:CALibration:PROTected:CODE (on page 7-
36) 
* Some of the options listed in this table are only available for specific functions. If you do not see the option listed 
here on the menu, it may not be available for the function you are using. 
Digital I/O reset values 
Default value reset from 
MENU > System > 
Settings > Reset 
Default value reset by 
the *RST (on page 7-7) 
command or   
:SYSTem:PRESet (on 
page 7-124) command 
MENU > Trigger > Digital In/Out 
:DIGital:LINE<n>:FUNCtion (on page 7-45)  
Line 1: Trigger In 
Line 2: Meter Out 
Line 3: Fault Out 
Line 4: Manual In 
Line 5: Manual In 
Line 6: Manual In 
1: AUTO 
2: AUTO 
3: AUTO 
4: MINP 
5: MINP 
6: MINP 
* Some of the options listed in this table are only available for specific functions. If you do not see the option listed 
here on the menu, it may not be available for the function you are using. 
Display reset values 
Default value reset from 
MENU > System > Settings 
> Reset 
Default value reset by 
the *RST (on page 7-7) 
command or   
:SYSTem:PRESet (on 
page 7-124) command 
MENU > System > Settings > Backlight 
Brightness 
:DISPlay:BRIGhtness (on page 7-47) 
Not available from front panel 
:DISPlay:SCREen (on page 7-49) 
* Some of the options listed in this table are only available for specific functions. If you do not see the option listed 
here on the menu, it may not be available for the function you are using.