Eizo TX D7 - Manual (Page 30)

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2 SCREEN ADJUSTMENT
VESA DPMS System
1) First, make the appropriate settings for the PC. (See note, page 29.)
2) Then select “VESA DPMS”.
3) Set the delay period, which is the interval that the monitor will wait
after receiving a power-save signal from the PC, before entering into
Mode 1 or Mode 2.
VESA DPMS power-saving method
VESA DPMS utilizes four signals: ON, STANDBY, SUSPEND, and OFF.
The monitor detects these signals from the graphics board and executes
power-saving accordingly, as illustrated below.