GLOBALSAT TR-206 - Manual (Page 12)

11
b=Power on report (battery)
c=Power on report (temperature)
d=Power on report (OTA complete)
e=Power on report (reboot)
f=OTA download fail
g= Power off report (manual)
h=Power off report (battery)
i= Power off report (temperature)
j=request EPO download
S IMEI
T Device ID
U Checksum The checksum value is derived by the
same method of NMEA standard. It is
calculated by ‘exclusive OR’ the 8 data
bits of each character before “*” in the
sentence, but excluding “*”. The
hexadecimal value of the most significant
and least significant 4 bits of the result
are converted to two ASCII characters
(0-9, A-F) for transmission. The most
significant character is transmitted first.
s IMSI
#
*
?
! ! Message delimiter