Front Panel Operation 25
3.5.4 Over Power Protection (OPP)
The MR overpower protection continuously monitors the output power. If it is greater than the OPP setting, it turns o
the power supply output to protect the device under test.
Follow the steps below to set the OPP limit:
1. Press button, select CONFIGURATION, then press .
2. Press button one time until PROTECT is select and press . The display will then show OVP.
3. Press button one time until OPP is displayed, and press .
4. Use numerical keys directly or use the keys and the rotary knob to adjust the OPP value. Press the
button to conrm the OPP value.
5. Press several times to exit the menu setting.
When OPP protection is tripped during operation, the output will turn o and the following OPP status message will
display:
To clear the trip status, press once.
3.5.5 CV to CC Protection
The MR CV to CC protection monitors the transition between constant voltage to constant current mode. If this event
occurs, the output of the power supply will turn o. Follow the steps below to set the CV to CC limit:
1. Press button, select CONFIGURATION, then press .
2. Press button one time until PROTECT is select and press . The display will then show OVP.
3. Press the button three times until CV to CC is displayed .
4. Use rotary to select the CV to CC ON or OFF followed by .
5. Press several times to exit the menu setting.
When CV to CC protection is tripped during operation, the output will turn o and the following CV to CC status
message will display:
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