Section 2: General operation Series 2280 Precision DC Power Supply Reference Manual
2-10 077085503 / March 2019
OUTPUT view area
This area displays the values for the present measurements and instrument status indicators.
The following table lists the indicators shown on the right of the OUTPUT view area.
The instrument always has one of the following indicators visible:
 OFF: The output is turned off.
 CV: The output is turned on and the power supply is in constant voltage (CV)
mode.
 CC: The output is turned on and the power supply is in constant current (CC)
mode.
 DISABLE: The output is turned off and pressing the OUTPUT switch does
not turn on the output.
The fault status indicator means that an error occurred:
 OVP: Overvoltage protection.
 OCP: Overcurrent protection.
 OTP: Overtemperature protection.
 RVS: Reversed sense leads on rear panel.
CALC: If either math or filter operation is enabled, the CALC indicator is displayed
in the OUTPUT view area. If none of them are enabled, the CALC indicator is
cleared.
REL: If relative offset is enabled, the REL indicator is displayed.
RWLOCK: All of the front-panel keys are disabled. The instrument can only be
controlled using a remote interface.
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