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Tri-M Systems Inc., 6-1301 Ketch Court, Coquitlam, B.C. V3K 6X7, Canada
Phone: (604) 527-1100, (800) 665-5600 Fax: (604) 527-1110
Email: info@tri-m.com Web: www.tri-m.com
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1. How do I switch from NMEA protocol to SiRF protocol for REB-12R and get the ID 2 message?
Ans:
1. Please refer the "Set Serial Port Command" on page 16 of REB-12R operational manual
(http://www.royaltek.com/eng/products/REB-12R.pdf) for switching from NMEA to SiRF protocol.
For example, if want to change to SiRF binary 9600, 8, N, 1. The command is:
$PSRF100,0,9600,8,1,0*0C
2. Please refer page 19 for "Calculating checksums for NMEA input".
3. After it switches to SiRF protocol, it will continuously output ID 2 message.
2. How do I switch from NMEA protocol to SiRF protocol for REB-2000 series and get the ID 2
message?
Ans:
1. Please refer the "Set Serial Port Command" on page 14 of REB-2000 series operational manual
(http://www.royaltek.com/eng/products/REB-2000.pdf) for switching from NMEA to SiRF protocol.
For example, if want to change to SiRF binary 9600, 8, N, 1. The command is:
$PSRF100,0,9600,8,1,0*0C
2. Please refer page 17 for "Calculating checksums for NMEA input".
3. After it switches to SiRF protocol, it will continuously output ID 2 message.
3. How many parameters can be customized for REB-12R, REB-2000 series?
Ans:
RoyalTek provides tailor-made GPS engine boards for different requirements with the following optional
parameters:
• Baud Rate: 4800, 9600, 19200,38400 bps
• SiRF protocol or NMEA output
• NMEA sentences and update rate: GPGGA, GPGSA, GPGSV, GPRMC, GPGLL, GPVTG. Output
period is from 0 to 255 seconds respectively.
• DOPMask type: PDOP, HDOP, GDOP, None
• DOPMask: 0 ~ 255. Default 40.
• Power Mask: Default of REB-12R series is 30 dB. The default of REB-2000 series is 28dB.
• Elevation Mask: Default 7.5°
• Degrade mode: Default disabled.
• Trickle power: Default of REB-2000 series is 30% duty cycle, update rate 1Hz. REB-12R doesn’t
support trickle power mode. The trickle power limitation please refer to “REB-2000 series
operation manual”. http://www.tri-m.com/products/royaltek/manual/reb2000.pdf
4. Is there any tools and test program for REB-12R and REB-2000 series GPS engine board?
Ans:
Yes. It is evaluation kit: REV-2000. REV-2000 is the evaluation kit for Reb-12R1/2/6/8 and
REB-2000/2100. And the evaluation kit for REB-12R7 and REB-2200 is still under building. Customer can
use SiRFDemo.exe directly in PC to test REB-12R and REB-2000 with REV-2000.