Charging the Battery
Charge with AC adapter: Connect the MT90 to a power outlet using the included AC adapter. When the terminal's battery
is less than 5%, it takes about 5 hours to fully charge it (The terminal is shut down or in sleep mode).
LEDs on the MT90
Blue LED on
Fully charged
Red LED on
Charging in progress
Red LED flashes constantly
Low-battery alert
Note: Low battery may result in malfunction of the terminal. Before your first use, charge the battery for at least 6 hours.
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