Instruction manual

Page 118 Z-12 Real-Time Sensor Operation and Reference Manual
$PASHS,OUT,x,NMEA where x is the output port.
There is no query command for TTT.
$PASHR,TTT
The response is a message in the form:
$PASHR,TTT,x,hh:mm:ss.sssssss*cc
where each field is as defined in Table 4.67.
Example: Enable TTT event marker on port A
Set: $PASHS,NME,TTT,A,ON
Typical Response: $PASHR,TTT,6,20:41:02.0000000*OD
where each item is as described in Table 4.68.
NMEA TTT (Event Marker) Message
$PASHS,NME,UTM
This message displays position using UTM coordinates. The structure is;
$PASHS,NME,UTM........
where the fields are as defined in Table 4.69.
Table 4.67: TTT Structure
Field Description
x Day of GPS week, 1 to 7, where Sunday = 1
hh:mm:ss.sssssss Time in hours, minutes, seconds
Table 4.68: Typical TTT Message
Item Description
$PASHR Header
6 Day of week (Friday)
20:41:02.0000000 Time
OD Message checksum in hexadecimal
Table 4.69: NMEA UTM Structure
Field Description
hh.mm.ss.ssss UTC of position in hours, minutes, decimal seconds
zzz Zone for coordinates 0 through 999