# Status Of Transmission Signal
The Base Station needs to transmit position correction data to the Turf Tank One in order to precisely mark a line. On the Home Screen, it needs to say “TX” in the lower-right corner.
Working transmission signal (TX visible):
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No transmission signal (TX not visible):
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please note
If the battery reaches 0% the Base Station will not transmit position data to the Turf Tank One.
In this situation the Home Screen will not show "TX".
When the battery reaches 0% the display will show:
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Furthermore, while showing the screen above the Base Station will make rapid beeps which signals that it is turning off.