HP E27d G4 27" 16:9 Advanced Docking IPS Monitor - Manual (Page 47)

backlight is turned off, and the power light turns amber. In the reduced power state, the monitor uses < 0.5 W
of power. There is a brief warm-up period before the monitor returns to its normal operating state.
See the computer manual for instructions on setting the energy saver mode (sometimes called “power
management feature”).
NOTE: This energy saver feature works only when the monitor is connected to a computer that has energy-
saver features.
Energy saver feature 39