RiverPro and RioPro ADCP Guide October 2017
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page.
Page 95
Environmental Commands
The RiverPro/RioPro uses the following commands to control the environmental and positional infor-
mation that affects internal data processing.
Available Environmental Commands
This section lists the available Environmental commands.
>e?
Available Commands:
EA +00000 --------------- Heading Alignment (0.01 deg)
EB +00000 --------------- Heading Bias (0.01 deg)
EC 1485 ----------------- Speed Of Sound (m/s)
ED 00000 ---------------- Xdcr Depth (deci-meters)
EH 00000 ---------------- Heading (0..35999; 1/100 degrees)
EP +00000 --------------- Pitch (+-7000 1/100 degrees)
ER +00000 --------------- Roll (+-7000 1/100 degrees
ES 00 ------------------- Salinity (ppt)
ET 2100 ----------------- Water Temperature (.01 deg C)
EU 0 -------------------- System Orientation 1=up,0=down
EX 00000 ---------------- Coordinate Transformations (cct3m)
EZ 1011101 -------------- Sensor Source {c;d;h;p;r;s;t}
E? ---------------------- Display E-Command Menu
>
Environmental Command Descriptions
EA – Heading Alignment
Purpose Corrects for physical misalignment between Beam 3 and the heading reference.
Format EA±nnnnn
Range ±nnnnn = -17999 to 18000 (-179.99 to 180.00 degrees)
Default EA00000
Recommended Setting. For systems that are stationary, EA is typically set to zero (default), since Beam 3
is used as the heading reference. This command is added to the command file using WinRiver II.
Description EA is a heading alignment angle (referenced to Beam 3) used as a new zero reference for
heading output and for transformation to earth coordinates. Use the EB-command to cor-
rect for heading bias (e.g., magnetic declination).
Example The RiverPro/RioPro is mounted in place on a moving ship. Beam 3 has been rotated 45
clockwise (+45) from the ship’s centerline. Use the EA command to tell the RiverPro/Ri-
oPro where beam 3 is in relation to the ship’s centerline. To convert +45 to an EA-
command value, multiply the desired alignment angle in degrees by 100:
EA = +45.00 × 100 = +4500 = EA+04500
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