Dell C2723H 27" Video Conferencing Monitor - Manual (Page 65)

Operating the Monitor
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Contrast Adjusts the Brightness first, and then adjust the
Contrast only if further adjustment is necessary.
Toggle the joystick up to increase the contrast and
toggle the joystick down to decrease the contrast
(Range: 0 - 100).
The Contrast function adjusts the degree of
difference between darkness and lightness on the
monitor screen.
Input Source Selects between the different video signals that may
be connected to your monitor.
DP Select the DP input when you are using the
DisplayPort (DP) connector. Press the joystick to
confirm the selection.
HDMI Select the HDMI input when you are using the HDMI
connector. Press the joystick to confirm the
selection.
Auto Select Allows you to scan for available input sources. The
default is
On .
Rename Inputs Allows you to select the input name for the selected
input source. The options are
PC , PC 1 , PC 2 ,
Laptop , Laptop 1 , and Laptop 2 .
NOTE: Input names in warning messages and Display
Info will not be changed.