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MAIN MENU

 

 
 

File Menu 
 

Record Start (Stop)... 

opens a File Name Dialog Box so the user can input a 
filename for logging sonar and/or echo sounder data (shot 
by shot) complete with date/time stamp. The file 
extension is always '

.852

'. The filename and current size 

(kbytes) of the file are displayed at the top of the screen. 
File recording continues until Record Stop is selected. 
Available only when DATA FROM '

HEAD

' is active. 

 
Playback... 

opens a File Name Dialog Box so the user can select and 
playback a previously recorded '

.852

' Sonar file. Available 

only when DATA FROM '

FILE

' is active. 

 
Copy Start (Stop)... 

opens a File Name Dialog Box so the user can enter a 
filename for a new 

‘.852’

 file that can be used for making 

smaller data files from large pre-recorded sonar files. The 
filename and current size (kbytes) of the file are displayed 
at the top of the screen. File copying continues until Copy 
Stop is selected. Available when DATA FROM '

FILE

' is 

active. 

 
Save Screen... 

opens a File Name Dialog Box so the user can enter a 
filename for saving the screen as a '.

BMP

'

 

bitmap file. 

 
Exit 

writes current configuration to file (WIN852.INI), closes 
the program and exits to Windows. 

 

Color Table Menu 
 

Norm Hi 

normal high intensity color table used for mapping the 
echo data amplitude to a color for display. Color depth is 
107 colors ranging from Black (low level) through Blue, 
Green, Orange, Yellow, White and Red (max level). 

Norm Lo 

normal low intensity color table. 

Green 

107 shades of green. 

Grey 

107 shades of grey (White on Black). 

Rev Grey 

107 shades of grey (Black on White). 

Brown/Yellow 

107 mixed shades of brown and yellow. 

Green/Blue 

107 mixed shades of green and blue. 

Green/Yellow 

107 mixed shades of green and yellow. 

Blue 

107 shades of blue. 

Summary of Contents for 852-000-145

Page 1: ...MINIATURE DIGITAL ECHO SOUNDER ECHO SOUNDER S N _____________ IS CONFIGURED FOR _______________ VDC INPUT ______________ 115 2 kbps IMAGENEX TECHNOLOGY CORP 209 1875 BROADWAY STREET PORT COQUITLAM B C...

Page 2: ...1 5 Watts from 24 VDC or optional 48 VDC Serial communication is utilized RS 485 or RS 232 at 115 2 kbps The maximum operating range is 50 meters HARDWARE SPECIFICATIONS FREQUENCY 330 kHz TRANSDUCER...

Page 3: ...FILE FORMAT filename 852 RECOMMENDED MINIMUM COMPUTER REQUIREMENTS 100 MHz Pentium 16 MB RAM 1 GB Hard Disk 800 x 600 x 256 colour graphics ORDERING INFORMATION 11000 m UNIT Standard 852 000 145 RS 23...

Page 4: ......

Page 5: ...xpandable Other items include a x2 Pixel Zoom window date time readout Depth Heading Turns readout sonar head range bearing readout to one or two cursors and a control for displaying real time data fr...

Page 6: ...files The filename and current size kbytes of the file are displayed at the top of the screen File copying continues until Copy Stop is selected Available when DATA FROM FILE is active Save Screen op...

Page 7: ...3 ft s User Text to enter a text string for display in the User Text Window Calibrate Sonar Head to adjust the motor to the center or zero position Com Ports Menu Sonar Head to select the serial commu...

Page 8: ...rees 000 0 to 359 9 tt is the ROV turns counter 99 to 99 Negative numbers contain a leading minus sign positive numbers contain a leading space character no plus sign CR carriage return LF line feed I...

Page 9: ...iseconds in 2 millisecond increments Frequency 675kHz or 850 kHz Echo Sounder Enable Disable to enable or disable echo sounder communications Enabling the echo sounder will display the Echo Sounder da...

Page 10: ...g Turns is enabled Clear Screen Now to clear all echo data from the sonar display Diagnostics displays the Diagnostics Pop Up Window This window displays the header information from the sonar head ES...

Page 11: ...and log data when the sonar screen is minimized If not checked the serial port is closed while communication and data logging are put on hold until the screen is maximized This allows other programs...

Page 12: ...tive Range to change the sonar operating range Ranges available are 5m 15ft 10m 30ft 20m 60ft 30m 90ft 40m 120ft and 50m 150ft Mode to change the sonar display mode Modes available are Sector Polar an...

Page 13: ...c key is pressed the current gain will be used Available only when DATA FROM HEAD is active H to hold or freeze the display R to change the operating range of the sonar head When the R key is pressed...

Page 14: ...sor over a target in the sonar image display area and press the right mouse button A target origin cursor is placed at this location When the mouse is moved a rubber banded line is drawn from the targ...

Page 15: ...x Sonar Echo Sounder Return Echo Data 0 252 or 500 Bytes xxxx 112 above number Byte xxxx always 0xFC Termination Byte from sonar or echo sounder xxxx 1 to yyyy Zero Fill yyyy 127 383 or 639 FILE HEADE...

Page 16: ...th of Seconds null terminated string 4 bytes hh 33 36 Reserved always 0 37 Dir Xdcr Mode Step For Sonar Head Head ID 0x10 Byte 37 7 6 5 4 3 2 1 0 Dir Xdcr Mode Step Size 0 ccw 1 cw 0 Dn 1 Up 0 Sector...

Page 17: ...Reserved always 0 42 Reserved always 20 43 Reserved always 9 44 Pulse Length 1 to 250 in microseconds 45 Profile 0 Off 1 Points Only 2 Low Mix 3 Medium Mix 4 High Mix 46 47 Sound Velocity Byte 46 Byte...

Page 18: ...1 0 7 6 5 4 3 2 1 0 H ROV Heading 10 If H 0 ROV Heading not available If H 1 ROV Heading Byte 83 0x7F 8 Byte 84 10 85 86 ROV Turns Counter Byte 85 Byte 86 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 T ROV Turns...

Page 19: ...irectly from the sonar head or echo sounder serial COM port refer to the Model 852 Serial Interface Specification If Header is ASCII IPX Bytes 100 through 112 13 bytes Bytes 113 through 127 15 bytes Z...

Page 20: ...the serial interface and must see the switch data header 2 bytes 0xFE and 0x44 HEX in order to process the switches The echo sounder will stop accepting switch data when it sees the termination byte 0...

Page 21: ...0 40 50 Meters supported Byte 4 Reserved Always 0 Byte 5 Reserved Always 0 Byte 6 Master Slave The echo sounder can be operated as a master or as a slave The default mode on power up is Slave mode Bit...

Page 22: ...ved Always 0 Byte 12 Reserved Always 0 Byte 13 Reserved Always 0 Byte 14 Pulse Length Length of acoustic transmit pulse 1 255 1 to 255 sec in 1 sec increments Byte 15 Profile Minimum Range Minimum ran...

Page 23: ...lse is not detected within 100 milliseconds of being armed the unit will transmit as normal then wait for the next Switch Data Command 1 Automatic in automatic mode the unit is armed with a single Swi...

Page 24: ...ending its return data to allow the commanding program enough time to setup for serial reception of the return data 0 to 255 in 2 msec increments Byte 24 delay_in_milliseconds 2 Do not use a value of...

Page 25: ...N 2 Echo Data 0 252 500 Data Bytes N 1 Term 0xFC Table 2 Model 852 Echo Sounder Return Data BYTE DESCRIPTIONS Note All Byte values are shown in decimal unless noted with a 0x prefix N total number of...

Page 26: ...above threshold in centi meters Prof Rng LO Prof Rng HI Byte 8 Byte 9 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 0 Prof Rng LO 0 Prof Rng HI L Prof Rng High Byte Byte 9 0x7E 1 Prof Rng Low Byte Byte 9 0x01 7 Byt...

Page 27: ...e Point Byte 14 4th Range Point Byte 15 If Header is ASCII IGX N 513 500 Data Bytes 500 Points 1st Range Point Byte 12 2nd Range Point Byte 13 3rd Range Point Byte 14 4th Range Point Byte 15 If Header...

Page 28: ...enable the Model 852 echo sounder for external trigger mode the WIN852 INI provides the following control ES Settings ESExternalTriggerControl Bit 0 Trigger Edge 0 NEG 1 POS Bit 1 Trigger Enable 0 Di...

Page 29: ...THEORY AND APPLICATIONS EXCERPT FROM IMAGENEX MODEL 855 COLOR IMAGING SONAR USER S MANUAL IMAGENEX TECHNOLOGY CORP 209 1875 BROADWAY ST PORT COQUITLAM B C V3C 4Z1 CANADA TEL 604 944 8248 FAX 604 944...

Page 30: ...nsisting of the different colored lines depicts the various echo return strengths The following characteristics are necessary to produce a visual or video image of the sonar image the angle through wh...

Page 31: ...on skills by viewing these targets with the vehicle s video camera and correctly identify them INTERPRETATION OF SONAR IMAGES In many cases the sonar image of a target will closely resemble an optical...

Page 32: ...tom An example of this calculation is shown in Figure 4 The diagrams following this chapter are examples of the sonar scanning process Studying the diagrams will help you to better understand the imag...

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