Echotrac CV100
User Manual
Page 29 of 29
Odom Hydrographic Systems, Inc.
May 28, 2008
6.3.3 Heave
The following description applies to the selection of the
HEAVE
output string in the Communications Menu while
only one frequency (either high or low) is active.
“HEAVE” One Frequency Active
Character #
Character
Description
1 <sp>/F
Space/Fix
Mark
2,3
et/ET
Centimeter/Foot Units indicator
4
<sp>, E, O
Normally Space, “E” indicates High Frequency error “O”
indicates Lo Frequency error (missed return)
5
H, L
Frequency Indicator “H” = High, “L” = Low
6 <sp>
Always
Space
7,8,9,10,11 DDDDD
Depth
Data
12
+ or -
Heave Direction
13, 14, 15, 16
HHHH
Heave Data (x.xx) Always Centimeter Resolution
17 CR
Carriage
Return
Example: <sp>etEH<sp>DDDDD+HHHH<CR>
The following description applies to the selection of
HEAVE
while both frequencies (high and low) are active.
“HEAVE” Two Frequencies Active
Character #
Character
Description
1 <sp>/F
Space/Fix
Mark
2,3
et/ET
Centimeter/Foot Units indicator
4
<sp>, E, O, D
Normally Space, “E” indicates High Frequency error “O”
indicates Lo Frequency error (missed return)
5
B
Frequency Indicator “B” = Both or dual Frequency
Operation
6 <sp>
Always
Space
7,8,9,10,11
DDDDD
High Frequency Depth Data
12 <sp>
Always
Space
13, 14, 15, 16,
17
DDDDD
Low Frequency Depth Data
18
+ or -
Heave Direction
19, 20,21.22
HHHH
Heave Data (x.xx) Always Centimeter Resolution
23 CR
Carriage
Return
Example:
FET<sp>B<sp><sp><sp>184<sp><sp><sp>193+1234<CR> ;
Fix Mark, Dual Freq., 18.4FT for High, 19.3 for Low, +12.34m heave
