RoyalTek REV-2000 - Manual (Page 42)

RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual
25
A value of 0 requests all available
ephemeris records, otherwise the
ephemeris of the Sv I.D. is requested.
Switch To SiRF Protocol
Note – To switch to SiRF protocol you
must send a SiRF NMEA message to
revert to SiRF binary mode. (See page 9, ”
NMEA Input Messages “ for more
information)
Switch Operating Modes - Message
I.D. 150
Table 35 contains the input values for the
following example:
Sets the receiver to track a single satellite
on all channels.
Example:
A0A20007—Start Sequence and Payload
Length
961E510006001E—Payload
0129B0B3—Message Checksum and End
Sequence
Table 35 Switch Operating Mode I.D. 150
Binary(Hex)
Name Bytes Scale Example Units Description
Message ID 1 96 ASCII 150
Mode 2 1E51 1E51=test, 0=nomal
SvID 2 0006 Satellite to Track
Period 2 001E seconds Duration of Track
Payload length: 7 bytes
Set Trickle Power Parameters -
Message I.D. 151
Table 36 contains the input values for the
following example: Sets the receiver into
low power Modes. Example: Set receiver
into Trickle Power at 1 hz update and 200
ms On Time.
A0A20009—Start Sequence and Payload
Length
97000000C8000000C8—Payload
0227B0B3—Message Checksum and End
Sequence
Table 36 Set Trickle Power Parameters I.D. 151
Binary(Hex)
Name Bytes Scale Example Units Description
Message ID 1 97 ASCII 151
Push To FixMode 2 0000 ON=1, OFF=0
Duty Cycle 2 *10 00C8 % % Time on
Milli Seconds On
Time 4 000000C8 ms Range 200 ~ 500 ms
Payload Length: 9bytes.