ComNav G2 & G2B Installation & Operation Appendices
Document PN 29010093 V1.5 - 65 -
16 December 2016
Command Sentence Rate
(Hz)
Port ID
$PCMNASC,GPDTM,rate,port_id DTM 0, 0.2, 1 1, 2, 3
$PCMNASC,GPGGA,rate, port_id GGA 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPGLL,rate, port_id GLL 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPGNS,rate, port_id GNS 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPGRS,rate, port_id GRS 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPGSA,rate, port_id GSA 0, 0.2, 1 1, 2, 3
$PCMNASC,GPGST,rate, port_id GST 0, 0.2, 1 1, 2, 3
$PCMNASC,GPGSV,rate, port_id GSV 0, 0.2, 1 1, 2, 3
$PCMNASC,GPTHS,rate, port_id THS 0, 0.2, 1, 5, 10, 20, 50
1, 2, 3
$PCMNASC,GPHDG,rate, port_id HDG 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPHDM,rate, port_id HDM
1
0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPHDT,rate, port_id HDT 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPRMC,rate, port_id RMC 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPROT,rate, port_id ROT 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPVTG,rate, port_id VTG 0, 0.2, 1, 5, 10 or 20 1, 2, 3
$PCMNASC,GPZDA,rate, port_id ZDA 0, 0.2, 1, 5, 10 or 20 1, 2, 3
Table 18 – Commands for the NMEA Output Sentences
1
Not approved by the IEC for Marine use
Command Sentence Rate
(Hz)
Port ID
$PCMNASC,GPHPR,rate,port_id PCMN,HPR 0, 0.2, 1, 5 or 10 1, 2, 3
$PCMNASC,PTSS1,rate,port_id TSS1 0, 0.2, 1, 5, 10 or 20 1, 2, 3
Table 19 – Commands for the Proprietary Output Sentences
Command Action & Time Constant Affected Range
(seconds)
$PCMNATT,COGTAU,cogtau
Query or Set the Course-Over-Ground
Constant
cogtau = 0.05 to 200.0
$ PCMNATT,HTAU.htau Query or Set the Heading Constant htau = 0.05 to 3600.0
$ PCMNATT,HRTAU,hrtau Query or Set the Rate of Turn Constant hrtau = 0.05 to 3600.0
$ PCMNATT,SPDTAU,spdtau Query or Set the Speed Constant spdtau = 0.05 to 200.0
Table 20 – Commands for the Smoothing Time Constants
Note: see Smoothing Output Data with Time Constants on page 53 for
full details of the TAU time constants.