Monitor not blanking despite screensaver settings

[Rich Shepard]

On Mon, 20 Mar 2023, Rich Shepard wrote:

> The new Acer SB-220Q monitor does not completely blank despite screensaver
> settings.

More information:
# xfce4-power-manager --dump
---------------------------------------------------
        Xfce power manager version 1.4.4
With policykit support
Without network manager support
---------------------------------------------------
Can suspend: True
Can hibernate: True
Authorized to suspend: True
Authorized to hibernate: True
Authorized to shutdown: True
Has battery: False
Has brightness panel: False
Has power button: True
Has hibernate button: True
Has sleep button: True
Has LID: False

The monitor itself has a brightness button on the bottom edge, but I've not
been able to use that to reduce the brighness; it's fixed at 75%.

Rich