C H A P T E R
3
Recharging Batteries
20
3.
Connect the female end of the power cable to the mobile reader
power supply.
4.
Connect the other end of the power supply to the mobile reader.
Determining Available Battery
Power
You can determine the percentage of battery power available based on
the activity of the green LED on the SMR-650 Reader.
Wall adapter
Application
running
(COM port open)
Green LED activity pattern
Percentage of
battery power
available
Plugged in
Not applicable
flash, flash, off for two
seconds, flash, flash, off
for two seconds
Less than 90%
Plugged in
Not applicable
flash, off for two seconds,
flash, off for two seconds
Greater than 90%
Unplugged
Yes
flash, off for five seconds,
flash, off for five seconds
Greater than 20%
Unplugged
Yes
flash, flash, off for five
seconds, flash, flash, off
for five seconds
Less than 20%
Unplugged
Application
running, no activity
Light is completely off;
battery is discharged
0%
Connect female end of the power
cable to the power supply
Connect this end of the power
supply to the mobile reader