Samsung 173P Plus - Manual (Page 11)

D-Sub Cable Power Cord DC-Adapter
Bracket
Bracket VESA Mounting Bracket
Sold separately
DVI Cable
Front
Power indicator
This light glows blue during normal operation, and blinks blue once
as the monitor saves your adjustments.
Power button
Use this button for power the monitor on and off, change the input
source, or perform Auto Adjustment.
Power On/Off : Press the power button and listen for one beep,
to turn the monitor on or off.
Input Source : Press the power button and listen for two beeps,
then release to switch the input source to analog or digital.
Auto adjustment : Press the power button and listen for three
beeps, then release to activate the Auto Adjustment feature.
(Available only with an analog source.)