Page 38 - Laser Technology, Inc. LTI 20/20 TruSpeed Metric User’s Manual 3rd Edition
Copyright (c)[2013] Laser Technology, Inc. All rights reserved. Unauthorized duplication, in whole or in part, is strictly prohibited
Speed / Range Data Message Format
Speed,Range,Sunits,Runits*csum<CR><LF>
Speed The speed measurement. Legal values are 000 to 322 Km/h.
If the target was departing when the measurement was taken,
the number will be preceded by a minus sign.
Range The range measurement.
Standard legal values: 0000.0 to 650.0 (unsigned).
Long Range legal values: 0000.0 to 1200.0 (unsigned).
Sunits Speed units (K = km/h).
Runits Range units (M = meters).
*csum 8-bit checksum.
<CR> Carriage return.
<LF> An optional line feed character.
Example Speed/Range Messages
$SP,80,213.8,K,M*493D
If a measurement error occurs, the speed and range values are
replaced by an error code in the form
$Er,xx*csum,
where
xx
is the
error code. For more information about Error Codes, see page 16.