Echotrac CV100
User Manual
Page 27 of 27
Odom Hydrographic Systems, Inc.
May 28, 2008
6.3.2 Echotrac
DBT
Using a single frequency
The following description applies to the selection of
Dual Bottom Tracking
while only one frequency (either high or
low) is active.
OUTPUT format
Char. #
Description “DBT” One Frequency Active
1
Normally a Space, an “F” Indicates Fix Mark
2
“E” units are in tenths of feet
“e” units are in centimeters
3
“T” units are in tenths of feet
“t” units are in centimeters
4
Normally a Space, an “E” indicates High Frequency
error and an “O” indicates Low Frequency error
(missed return)
5
Frequency Indicator “H” = High, “L” = Low
6
Always a space
7
Depth Data (MSD)
8 Depth
Data
9 Depth
Data
10 Depth
Data
11
Depth Data (LSD)
12 Carriage
Return
Please note that characters 2 & 3 are in upper case whenever the
Units
are in tenths of feet, and are in lower
case when the units are in centimeters.
Example:
<sp>ETOL<sp>DDDDD<CR>
