Datalogic QuickScan Lite QW2100 - Manual (Page 30)

General Features
20 QuickScan TM Lite QW2100
ENTER/EXIT PROGRAMMING MODE
Power Save Mode
When this feature is enabled, the reader will enter Power Save Mode (a lower power
consumption state) after being idle (no scanner activity) for one second.
NOTE
RS-232 and USB interfaces ONLY.
A reader having a Scan Mode setting of Object Sense, Stand
Mode, Flashing, or Always On will not enter Power Save Mode.
(The reader is always internally active when in these modes.)
$CSLEN00 
Power Save Mode = Disabled
$CSLEN01 
Power Save Mode = Enabled
DEFAULT