TYREDOG TD-1400A-X4 - Manual (Page 13)

V1.0-FB06 (1105232) 13
Insert the end with battery contacts and insert the battery until it
locks in place.
Note: make sure battery polarity correct when insert it.
D. Close the cover
Press the cover until snaps shuts.
Power on monitor
When the battery is installed, the receiver will automatically boot, and
receive sensor status, also display on the screen. At the beginning the
display will show the previous record until new data is received. The
booting-up screen is as picture below：