Ticket order officer send information about seat number ordering from bus station to bus agency or the other hand. In one unit, the officer push a keypad and then the LED in the unit will “ONâ€. Beside that, he also transmitt the message to the other unit. When the other unit receive the message, the LED in the unit will â€ONâ€. So, with this seat number order instrument the passenger can get their seat number faster and efficiently.
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