Local Operation 
 
M370430-01  Rev B  3-29 
Defining the OVP Set Point 
To define the OVP set point: 
1.  Turn the power supply On. 
Ensure the voltage is lower than the desired set point. 
2.  Set the output to the desired voltage. 
OVP can be set without setting desired output voltage first. 
3.  Turn the 9-position mode control to the PRT position. 
 is displayed. 
4.  Press the rotary Adjust/Enter control. 
5.  Turn the rotary Adjust/Enter control to set the upper limit 
protection. See “Coarse and Fine Adjustment Modes” on 
page 3-3. 
Important:  The OVP range is variable from V
SET
 +5% to V
MAX
 +25%. 
6.  Once the desired value has been set, press the rotary 
Adjust/Enter control to commit the setting. 
The SCPI command (s) for these instructions are: 
[[:]SOURce[<channel>]]:VOLTage:PROTection[:OVERvoltage] 
[:LEVel] 
If the output is between OVP
set
 and -5%, an OVP warning message 
is possible when in APG mode.