Echotrac CV100
User Manual
Page 28 of 28
Odom Hydrographic Systems, Inc.
May 28, 2008
Using dual frequencies
The following description applies to the selection of
Dual Bottom Tracking
while both frequencies (high and low)
are active.
OUTPUT format
Char. #
Description “DBT” Dual Frequencies 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), “D” indicates High and Low error
(missed returns)
5
“B” Frequency Indicator Both High and Low
6
Always a space
7
Depth Data High Frequency (MSD)
8
Depth Data High Frequency
9
Depth Data High Frequency
10
Depth Data High Frequency
11
Depth Data High Frequency (LSD)
12
Always a space
13
Depth Data Low Frequency (MSD)
14
Depth Data Low Frequency
15
Depth Data Low Frequency
16
Depth Data Low Frequency
17
Depth Data Low Frequency (LSD)
18 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:
FetDB<sp>DDDDD<sp>DDDDD<CR>
