DPMS State (changes)
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DPMS State
RISC OS supports the use of Display Power Management Signaling to put displays into low-power states when screen savers or other machine sleep states are active. The OS generally uses numeric values to represent DPMS states, which map to the different VESA-defined states as follows:
| Numeric value | VESA state | HSync & VSync state |
|---|---|---|
| 0 | On | HSync & VSync active |
| 1 | Stand-by | HSync gated |
| 2 | Suspend | VSync gated |
| 3 | Off | HSync & VSync gated |
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