Motorola M12 Oncore Guia do Utilizador descarregar pdf (Página 106)

Chapter 5 - I/O Commands

TIME CORRECTION SELECT (@@Aw)

Applicability: M12+ Positioning and Timing receivers

This command selects the time reference (either GPS or UTC) used in the @@Ha 12 Channel

Position/Status/Data and @@Hb Short Position Messages. This Time command is also used to

determine the synchronization point for the 1PPS timing pulse.

Note: If the receiver has not downloaded the UTC parameters portion of the almanac, the

receiver will output time equal to GPS time and a flag denoting the lack of UTC

parameters will be set in the @@Ha message. Once the receiver has downloaded the

UTC parameters from the satellites the receiver will automatically switch the time

reference to UTC if UTC mode is selected.

Default mode: UTC

Legacy Code Compatibility: The @@Aw command has been implemented in an identical fashion

on virtually all Motorola Oncore receivers.

Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05

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Motorola M12 Oncore Guia do Utilizador Página 106