Section 8 – Serial Data Interface
Page 31
Height (HT) Download Messages
$PLTIT,HT,HTvalue,units,*csum<CR><LF>
where:
$PLTIT, is the Criterion message identifier.
HT, Height message type.
HTvalue, Calculated Height. Two decimal places.
units, F=feet Y=yards M=meters
Note: Only International lasers include meters.
*csum An asterisk followed by a hexadecimal checksum.
The checksum is calculated by XORing all the
characters between the dollar sign and the asterisk.
<CR> Carriage return.
<LF> Optional linefeed.
Example:
HD Measurement: $PLTIT,HV,16.00,F,0.00,D,-1.20,D,16.00,F*49
Ang_1 Measurement: $PLTIT,HV,,,0.00,D,-19.10,D,,*73
Ang_2 Measurement: $PLTIT,HV,,,0.00,D,32.40,D,,*52
Calculated Height: $PLTIT,HT,15.70,F*0E
Note: Only International lasers include meters.
HTvalues always include two decimal places:
X X.YY
0 = HD was measured to a high quality target
1 = HD was measured to a low quality target
Examples:
High Quality Target: $PLTIT,HT,5.50,M*36
Low Quality Target: $PLTIT,HT,2.01,M*35
Note: Only International lasers include meters.
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