Epson TM-P20 - Bluetooth Connection Setting

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Mode 1
 Printing may be interrupted.
Battery LED Error LED
Remaining
battery charge
Printing Communication
Level H
Approx. 60  100% Possible Possible
Level M
Approx. 20  60% Possible Possible
Level L
Approx. 10  20% Possible Possible
Level S
Approx. below 10% Possible* Possible
Level E
Approx. 0% Impossible Impossible
: On : Flash : Off