User`s guide

Chapter 5 - I/O Commands
Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05
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GPZDA (NMEA TIME AND DATE)
This command enables the GPZDA Time and Date message and determines the rate at which
the information is transmitted. The periodic rate field (yyyy) instructs the receiver either to output
this message once (polled), or to output this message at the indicated update rate (continuously).
Once the receiver is set to continuous output, the continuous flow can be stopped by sending a
one-time (polled) output request. The receiver will output the response one final time, and then
terminate any further message outputs.
Currently, there is no mechanism to set the local zone description in the NMEA I/O
format, and the receiver operates as if the GMT offset is set to 00:00, reporting UTC time only.