Rockwell Automation 2755-G6-D Scanner with RS-232 Option - Manual (Page 37)

General Setup Parameters
Chapter 5
5–3
You can select one of two power consumption modes
for the scanner. Option @A supplies full power to the
scanner at all times. Option @B allows the scanner to
revert to standby mode after a successful read. This
mode is a power conservation feature whereby the
scanner uses extremely low power (microwatts).
To supply full power to the scanner at all times, scan
label @A.
@A Enable Continuous
Full Power
Note: The scanner automatically uses full power
when configured to operate in Autosense mode.
To allow the scanner to revert to standby mode after a
successful read, scan label @B.
@B
Enable
Standby Power *
Power
Consumption