Clearing thresholds
To remove the reference threshold settings from any receptacle:
1.Shut off power to the receptacle that you want to clear by pressing its button on the front panel. The red LED to the right of the button shuts off.
2.Press and hold the Standby or Full button while pressing and releasing the receptacle button. All three receptacle LEDs flash twice, indicating that the settings have been cleared.
3.Release the Standby or Full button that you were holding.
If desired, you can now turn power to the receptacle on again by pressing its button.
Grouping Receptacles
Two or more power receptacles can be grouped so that both their connected devices can be controlled simultaneously. To group receptacles using the front panel, follow these steps for each receptacle:
1.Place the receptacle in configuration mode by pressing and holding its receptacle button for 2 seconds. The green Power LED on the front panel flashes continually, indicating that the unit is in configuration mode.
2.Press each receptacle button repeatedly to cycle through the available group selections, indicated by the LEDs beside the button, until you arrive at the setting you want for the receptacle:
•No LEDs lit — No groups (The receptacle will not be part of any grouping.)
•S LED lit — Group 1
•F LED lit — Group 2
•Red (power) LED lit — Group 3
3.Press either the Standby or the Full button to exit configuration mode.
Ungrouping receptacles
To remove a receptacle from a grouping:
1.Place the receptacle in configuration mode by pressing and holding its button for two seconds, until the green power LED flashes continually.
2.Press the receptacle button repeatedly until none of its LEDs are lit (indicating no groups).
3.Press the Standby or Full button to exit configuration mode.
Front panel Security Lockout (Executive Mode)
When the PCS4 is in executive mode, it does not accept commands from the front panel. If any button is pressed while the unit is in executive mode, the Power LED flashes three times, indicating that the input from the front panel is not being accepted.
To enter or exit executive mode, press and hold the Standby and Full buttons simultaneously for 2 seconds. The front panel Power LED flashes three times to indicate that the mode has been switched.
NOTE: If power to the PCS4 is recycled while the unit is in executive mode, the PCS4 
remains in executive mode.
IPL T PCS4 • Front Panel Features and Operation 12