JRC DGPS224, User Manual, Page: 16 / 20

DGPS224(JLR-4341)
16/20
3.Input Data
Interval of two input sentences must be more than 1 second.
(1)PJRCI,GP (Initial Position and Time setting)
$PJRCI, GP, llll.ll, a, yyyyy.yy, a, uxxxx, hhmmss, xx, xx, xxxx, A, A, A, A, A, A*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 1112131415 16
1,2 : Latitude (Degree, Minute), N/S
3,4 : Longitude (Degree, Minute), E/W
5 : Antenna height above mean-sea-level (m), u : sign (+,-)
6 : UTC (Hour, Minute, Second)
7 : Day (UTC)
8 : Month (UTC)
9 : Year (UTC)
10 : Flag of Lat/Lon setting A : Set, V : No set
11 : Flag of Antenna height setting A : Set, V : No set
12 : Flag of Date/Time setting A : Set, V : No set
13 : Flag of Master Reset A : Set, V : No set
14 : Flag of Cold Start Fix A : Set, V : No set
15 : Flag of Differential GPS fix A : Set, V : No set
16 : Checksum
Note1. When this sentence is input, GPS sensor is initialized according to the items 10 to 15.
Note2. This sentence must be sent after this first data output when power is on or master reset is executed.
Note3. Setting of the flag have the following priority. When flags of both high and low priority set at the same
time, only a flag of high priority is executed. If flag of same priority set, flags are executed at same time.
FLAG
1 Master Reset
2 Cold Start Fix
3 Lat/Lon
setting
Antenna height setting
Date/Time setting
High
↑
PRIORITY
↓
Low
4 Differential GPS fix
Note4. Interval of two input sentences must be more than 7 second.
Note5. Power must not be off for 20 seconds after initial setting.
(2)PJRCE,GP,0 (GPS Sensor Mode Setting)
$PJRCE, GP, 0, x, xx, x, x, x, 00, 00, 00, 00, 00, 00, 0, xx*hh<CR><LF>
1 2 3 4 5 6 7
1 : Fix mode (default : 2)
0 : 2D 1 : 3D 2 : AUTO
2 : Elevation Mask (default : 5 degrees)
Range from 1 to 89 degrees
3 : DOP switch ( default : 1)
0 : less than 4 1 : less than 10 2 : less than 20
4 : Smoothing level ( default : 1)
0 : 40 seconds 1 : 10 seconds 2 : variable from 1 to 999 ( default : 2 seconds)
5 : Locale Geodetic System ( default : WGS-84) See Table 1
6 : Additional Local Geodetic System See Table 2
7 : Checksum
Note1. This sentence must be sent after the first data output when power is on or master reset is executed.