2 8011m Manual Rev A

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4 Little Brook Road
West Wareham, MA 02576
Tel: (508) 291-0960
Fax: (508) 291-0975
Email: sales@ore.com

MODEL 8011M
Acoustic Deck Unit
Transceiver

Standard Commercial Warranty
All equipment manufactured by ORE Offshore is warranted against defective
components and workmanship for repair at the plant in Wareham, Massachusetts, free of
charge for a period of one year after shipment. Shipping costs are to be borne by the
customer. Malfunction due to improper use is not covered in this warranty and ORE
Offshore disclaims any liability for consequential damage resulting from defects in the
performance of the equipment. No product is warranted as being fit for a particular
purpose and there is no warranty of merchantability. This warranty applies only if: (i) the
items are used solely under the operating conditions and in the manner recommended in
Seller’s instruction manual, specifications, or other literature; (ii) the items have not been
misused or abused in any manner or repairs attempted thereon; (iii) written notice of the
failure within the warranty period is forwarded to Seller and the directions received for
properly identifying items returned under warranty are followed; and (iv) the return notice
authorizes Seller to examine and disassemble returned products to the extent Seller deems
necessary to ascertain the cause for failure. The warranties expressed herein are
exclusive. There are no other warranties, either express or implied, beyond those set forth
herein, and Seller does not assume any other obligation or liability in connection with the
sale or use of said products. Any product or service repaired under this warranty shall be
warranted for the unexpired portion of the original warranty period only.
Equipment not manufactured by ORE Offshore is supported only to the extent of
the original manufacturer’s warranties.

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Return Procedure
It is necessary to obtain from ORE Offshore a Returned Material Evaluation
(RME) number prior to returning equipment. This is to assist tracking and arrival
recognition. Follow the procedure listed below when returning U.S. origin goods to
prevent delays and additional costs on Returned American Goods.
New Import Procedure/Returned American Goods
1.

All shipments must be accompanied by two copies of your commercial invoice
showing value of material and any reason for return.
*

Whenever possible, please send copies of original export shipping
documents with the consignment.

If the value is over $1,000.00, the following shipper’s oath must be sent with the
invoices. (This can be typed on the invoice or on a separate letterhead.)
“I, ________________, declare that the articles herein specified are, the growth,
produce, or manufacture of the United States; that they were exported from the
United States; From the Port of ______________, on or about ___________; that
they are returned without having been advanced in value or improved in condition
by any process of manufacture or any other means, that no drawback, bounty, or
allowance has been paid or admitted thereof.
Signed _____________________”

If more than one part per consignment, a packing list must also accompany the
shipment. It is acceptable to combine the commercial invoice and packing list as
long as the contents of each carton are clearly numbered and identified on the
commercial invoice.

Consign all air freight shipments to ORE Offshore in care of Intercontinental Air
Frt., Inc., Logan Int’l Airport, East Boston, Mass. 02128.

If the equipment is property of ORE Offshore please insure for full value.

Route via Logan International Airport only as the final destination.

Mail one invoice, packing list and copy of airway bill to ORE Offshore upon
shipment.

Please refer to issued Returned Material Evaluation number on all documents and
correspondence.

Air freight must be prepaid on all returns.
ORE Offshore
4 Little Brook Road
West Wareham, MA 02576
Tel: (508) 291-0960
Fax: (508) 291-0975
Email: sales@ore.com

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Installation and Operation

Base Unit
The operation of the Model 8011M is straight forward. It is highly recommended
that the operator read this entire section of the manual in order to realize the full potential
of this equipment. The operation of the Model 8011M is divided into the following
sections: installation, quick (default) operation, keypad and description of keys, setup
menus (), command transmission (), ranging (). (In general,
angle brackets ‘<>’ enclose keypad names).
Installation
The standard system includes a Model 8011M deck unit with a headphone set,
spare connector for the auxiliary port, and a Model 8012A transducer.
Unlatch the cover on the deck unit and open it. Note the transducer connector is
the same as used on earlier EG&G, EdgeTech and ORE Offshore deck units. Transducers
from these systems can be used with the 8011M however if the shorter (32 meter cable)
transducer is used the output power will be slightly reduced. Attach the Model 8012A
transducer to the TRANSDUCER connector, being sure to screw the connector down
finger tight. (YOU MAY NEED TO APPLY PRESSURE TO THE BACK OF THE
CONNECTOR WHILE TIGHTENING THE LOCKING SLEEVE) Use the supplied
Kellems grip to fasten the cable to a suitable anchoring point and lower the transducer
overboard. Note: The Model 8012A is not designed for use when the ship is moving.
Attach the headphones to the HEADPHONE connector. Be certain that the power
available matches the requirements of the Model 8011M, which is 100 to 230 VAC and
50 to 60 hertz, the deck unit will auto sense the input voltage there is no need to change
anything on the deck unit for input voltages with in this range. Once proper voltage is
ascertained, plug the instrument into a grounded outlet. The 8011M has an internal
rechargeable battery. To fully charge the internal battery the system must be plugged in
and turned on for 8 hours. The 8011M will run on the internal battery for 3 to 4 hours
depending on use. The battery is being charged or the charge is being maintained
whenever it is plugged in and turned on. When running on the internal battery you should
always be sure to turn the backlight off. The backlight severely degrades the charged life
of the battery.
The tri-color LED in the front panel displays the battery status.
Green means that the battery pack is being charged at the high rate. The LED will be
green when the system is first turned until it goes into maintenance charge.
Blue means the system is running on the battery pack not external power.
Red/Blue Mixed means that the system is running on batteries and the charge is getting
low. It should be plugged in soon and recharged.

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Quick Operation
Although full knowledge of the operation of the Model 8011M is recommended to
achieve best results, in many cases the default operating parameters are adequate in
getting the unit operating quickly. This section is a “no-frills” guide to using the Model
8011M:
Read the installation section and set up the Model 8011M as described.
Sending Commands ()
1) If you expect a status reply from the transponder, press and select item
2 (range setup) again select item 2 (reply freq.) use the up down arrows and the
key to set the receive frequency to match the reply frequency of the
underwater unit.
2) Press the key to send a standard ORE Offshore or EdgeTech command.
Then enter the 6 digit command and press to send it or to modify
it if needed. The display will change to (sending command now) and then (waiting
for reply) until a reply is received. If the underwater unit answers with a status
reply then each received pulse will cause a block to be printed on the display.
After the first pulse received the cursor will start to move at one position every .5
seconds. By counting the positions and noting where the blocks are printed you
can determine the status of the underwater unit. Press to exit this mode.
3) To send a command other than the standard ORE Offshore and EdgeTech
commands start by pressing the key and selecting item 1 (command
setup). Select the type of command you wish to send. After the type is selected you
can press the key to enter and send the command. If the manufacturers
command type that you have chosen can contain alphanumeric characters (Letters)
then you enter each character by following the instructions on the display and
press enter to send it. When sending IXSEA type commands hold in the
key and press <1> through <6> to enter A through F. The 8011M can send both
short and long IXEA/MORS/OCEANO commands simply enter the 4 or 8 digits
and send it. For entering Benthos commands follow the instructions on the display.
Due to the format of Benthos commands the up down arrows on the key pad must
be used to select the frequencies used. ”Until the 8011M is powered down and
powered up again the command type will stay at the last one entered. The type of
command can be changed at anytime by using the menu.
4) If the command is a guarded command such as a release command or a command
requiring extra security it will be necessary to press and hold in the key
while pressing to transmit the command. The deck unit will inform you if
the command is guarded when you try to send it without holding the guard key
pressed.
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5) After an ORE type command has been sent and the first reply is received the
display will start to graphically indicate the relative receive times of the status
reply pings. Press to send another command or to exit the listening mode.
6) After an IXSEA type command is sent the system will wait for a reply and when
the first reply is received the range will be reported meters and seconds. There is a
4 second lockout after the range is reported and then the system will wait for a
diagnostic reply. If the diagnostic reply is received the delay time will be reported
in milliseconds. See your underwater unit manual for an explanation of the
reported time.
Ranging ()
1) Press and select item 2 (range setup) and then items 1 and 2 to set the
proper interrogate and reply frequencies. The interrogate frequency is the
frequency transmitted from the 8011M deck unit and the reply frequency is the
frequency received by the 8011M deck unit. The correct frequencies can be found
on the configuration sheet supplied with the underwater unit. Note: If you are
testing an underwater unit in air use item 5 to change the minimum range gate to
“0”. This will allow the deck unit to receive the replies in air even though the
reported ranges will not be accurate.
2) Item 3 in the range set up menu is the TAT “Turn Around Time”. This is the
internal delay time in the underwater unit from when it receives the interrogate
pulse until it responds. The default is 13 milliseconds. This is the correct value for
use with ORE Offshore and EdgeTech equipment. You will need to change this
value when using other manufacturer’s equipment. The value is entered in
milliseconds and the range is 0 to 2000 milliseconds. When calculating ranges this
time is subtracted from the total two way travel time of the acoustic path.
3) Items 4 and 5 in the range set up menu are the upper and lower gates. Any replies
received before the lower range gate or after the upper the upper range gate are
ignored. These gates can help alleviate random noise being treated as a valid reply.
The default lower range gate is 50 meters an underwater unit closer than 50 meters
will be ignored by the deck unit. The upper range gate is 16383 meters any
underwater units further away than 16383 meters will be ignored. The entered
values will return to the defaults whenever the deck unit is powered down. The
deck unit will report “no return within range gates” when the max time for the
maximum range gate has passed.
4) Press to enter the ranging mode. The frequencies for interrogate and reply
being used will be displayed if changes are required go to the menu.
5) Press to commence ranging. The range will be displayed when it is
received. The range is displayed in meters and milliseconds.
6) To use the repetitive ranging capability of the 8011M you will first need to enter a
repetition rate. This can be changed under the range set up menu. Select item 6
(more options) and then item 1 (repetitive rate). When in ranging mode if you
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press the key the system will switch between manual and repeat mode
when in the repeat mode the 8011M will start a ranging operation once every
(entered number of seconds). To exit the repeat mode, simply press the
key to return to manual ranging. The power up default value for the repeat rate is
once every 8 seconds.
7) The default speed of sound in water used by the 8011M is 1500 meters per second.
This can be changed by using the range set up menu. To enter a speed of sound
first press select item 2 (range set up) then item 6 (more options). Item 2
is sound speed select this item and enter the new sound speed that you wish to use.
The range for the speed of sound is 100 to 2000 meters per second.
8) Slant or horizontal ranging can be used in the 8011M. If the display in item 3
under more options reads (Switch to Slant range mode) then the system is
calculating horizontal ranges, by selecting item 3 you will switch the system to
Slant range mode. If the display in item 3 under more options reads (Switch to
Horizontal range mode) then the system is calculating slant ranges by selecting
item 3 you will switch the system to Horizontal range mode. When you switch to
horizontal ranging you will need to enter the depth of the deck units dunking
transducer and the depth of the underwater unit’s transducer. The power on default
mode is slant range.

Keypad Descriptions
The functions of the keys are as follows:
Key
0-9

Name
zero – nine

Function
place the digit on display or choose menu item

CLR

clear

clear number from display

▲

up arrow

increase the value displayed

▼

down arrow

decrease the value displayed

ENT

enter

enter the number on the display

M/R

repeat mode

switch between repetitive and manual ranging

decimal

place a decimal point in number

RNG

ranging

enter ranging mode

CMD

command

enter command mode

enter the menu for set up

GRD

Guard

press and hold during guarded commands

GRD

Guard

Also used as “shift” for entering letters.

There are 5 function keys across the top of the keypad. These are used to change different
levels in the deck unit. From left to right they are:
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Transmit power out (picture of a transducer with an (O) in it)
The output power can be adjusted from 0 to 9 with zero being the lowest output level.
Receive sensitivity

(picture of a transducer with an (I) in it)

The receive sensitivity can be adjusted from 0 to 9 with 0 being the least sensitive.
Display contrast

(picture of an eye)

Going up or down will change the contrast on the display 0 to 9.
Headphone volume (picture of a set of headphones)
Range is 0 to 9 with 9 being the loudest.
Backlight

(picture of a light bulb)

Pressing this will toggle the backlight on and off.
(Leaving the back light on during battery powered operations will reduce the
charged battery life substantially)

Menus
The key is used to access the setup capabilities of the Model 8011M. In
general when an item is selected in a menu either that item is chosen or a value will need
to be entered or adjusted up and down. To select an item press the number key associated
with that parameter. For example, when is selected, one can change the system
set up by pressing the <3> key. Pressing a key will either bring up a sub-menu or allow
changing a value by entering a number or toggling through choices. Once the value is
entered and is pressed, the menu moves back up one level. There are three main
items: <1> Command setup, <2> Range setup and <3> System setup.
<1> Command Setup
In the command setup menu there are four choices:
<1> EdgeTech/ORE which will send the standard 6 digit BACS commands
sometimes referred to as Binary Acoustic Command System.
<2> Benthos which will transmit the standard Benthos rate encoded type
commands.
<3> MORS / IXSEA will transmit the bit encoded commands which are the
same for OCEANO.
<2> Range setup
In range setup there are six choices:
<1> Interrogate frequency allows the user to change the frequency that is
transmitted by the 8011M to the underwater unit. The value can be from 7.5
kilohertz to 15.0 kilohertz in 500 hertz steps.
<2> Reply frequency is used for setting the frequency that the 8011M will
receive as a valid reply from the underwater unit. The value can be from 7.5
kilohertz to 15.0 kilohertz in 500 hertz steps.
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<3> Turn around time is the internal delay in the particular underwater unit
being used for the ranging operation. This is the time from when pulse arrives at
the underwater unit to when the underwater unit actually transmits in response.
This time is subtracted from the total round trip travel time when calculating
ranges. The turn around time can be set from 0 to 1 second in 1 millisecond
increments.
<4> Upper range gate is used to set the maximum allowable range during
ranging operations. Any replies received after the upper range limit is reached will
be ignored.
<5> Lower range gate is used to set the shortest allowable range. Any reply
received before the lower range gate is ignored. The range gates allow the user to
lockout random noise and or other transponders in the area by only allowing
replies from within a selected area.
<6> More options is selected to enter a sub menu containing more settings.
In the “more options” menu there are three items:
<1> Repetitive rate is for setting the rate at which the system will start
each ranging operation in repeat mode. Each increment of this value is one
second.
<2> Sound speed is for changing the value used for “speed of sound” in
the range calculation. The default speed of sound used is 1500 meters per
second. The allowable range is 100 to 2000 meters per second.
<3> Slant / Horizontal range mode is used to switch between slant and
horizontal ranging mode.

Commands
The command mode is used to transmit commands to underwater equipment. ORE
Offshore and EdgeTech commands are supported as well as other manufacturer’s
commands. In general, a command is sent as follows: press to enter command
mode. The command can then be entered. Enter the command code and press
key. Guarded commands require that the key be pressed at the same time as the
key. If you wish to send another manufacturers command then it must be selected
in the menus before entering the command mode.
After the command is transmitted and the receive lockout time has passed, the
model 8011M goes into the “listen” mode where it waits for replies from the underwater
equipment. Upon receipt of the first detection, the display becomes a time line indicating
the detector activity. The number of dots per time intervals is (0.5 seconds) the detections
of the reply pulses are counted and displayed at the current character position. No replies
are indicated by a dot at the particular character position. Depending on the arrival time of
a reply there may be 2 blocks displayed for 1 reply this should not impair deciphering the
status since the pulses are separated by at lease 1 second. This display aids in deciphering
the reply message from the underwater unit. To determine the status of the underwater
unit refer to the manual for that particular system. Status is usually reported by a string of
pulses at either a 1 per second or 1 per 2 seconds and either 7 to 8 pulse or 14 to 15 pulses
long. Pressing will exit the listening mode.
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ORE and EdgeTech acoustic equipment use a 16 bit FKS code. The actual code that the
operator enters is a six-digit code. The first digit encodes the two frequencies used for
transmission and must be between 1 and 6 inclusive. The last five digits represent the
specific binary code transmitted, less a final parity bit, and must be between 0 and 7
inclusive. Each underwater unit is supplied with a configuration sheet which shows the
commands and the frequencies used during ranging for that particular system.
Ranging
The ranging function is use to determine the distance to the underwater unit. Ranging can
be done in Horizontal or Slant mode. In horizontal mode the deck unit calculates the
distance between the transducer of the underwater unit and the transducer of the deck unit
after removing the depth of the underwater unit from the equation. In slant mode the
straight line distance to the underwater unit from the deck unit’s transducer is calculated.
In order to use horizontal mode you must know and enter the depth of each transducer. To
calculate the range the deck unit subtracts the internal delays of the deck unit and the TAT
(turn around time) from the total two way travel time of interrogate and reply pulses. TAT
is the total internal delay of the underwater unit from the time a valid interrogate pulse
arrives at the transducer to the time the reply pulse is transmitted.
Ranges are reported in meters and milliseconds on the display when they are received.
Time is converted to meters using the speed of sound which can be entered or changed
using the menus. The default speed of sound is 1500 meters per second. When using the
repetitive ranging capability you should be sure to enter a repeat time long enough to
allow the reply to come back before the unit sends another interrogate pulse. If you have
trouble ranging try lowering the transducer deeper into the water. In most cases when
ranging problems exist it is because the deck unit does not receive the reply. This can be
caused by ship and surface noise so lowering the transducer will help to avoid this noise.
This can also be caused by thermo-clines reflecting the sound lowering the transducer can
help by getting the transducer below the thermo-cline or at least changing the angle to the
thermo-cline. You can also change the sensitivity setting, if it is too sensitive the deck unit
will report random ranges and if it is not sensitive enough the system will report “no
return”.
Serial Port Operations:
The model 8011M acoustic deck unit has an RS232 port available to the user. The port
can be used to log activity or to remotely control the deck unit. The 8011M serial port is
always in logging mode when it is not under remote control (host mode). When logging
the 8011M reports range information and any BACS command that has been sent. Each
logged line is followed by a carriage return and line feed. Logged ranges are reported as
total time of flight with the underwater units turn around time subtracted from it. To
determine range you would divide the time by 2 and then multiply by the speed of sound.
The format of logged events is as shown:
RNG: TX = 10.5 RX = 14.0 time = 00.016 Sec.
RNG: TX = 10.5 RX = 14.0 time = 00.015 Sec.
CMD: 341210

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Host mode is entered by either selecting it as a keypad menu item or by sending a
“carriage return / line feed” thru the serial port. The LCD display will indicate that the
8011M has switched to host mode by displaying:
HOST MODE: press any key to exit
While in host mode the 8011M will echo all characters sent in the com port. If using a
terminal emulation program be sure to configure it not to locally echo characters. Host
mode commands must exactly match the prescribed format, otherwise they will be
rejected. Serial commands are case sensitive, must include all leading and trailing zeros
and must not include spaces. A pound sign returned from the 8011M indicates a serial
command error. All commands that are accepted in host mode are responded to with an
asterisk. Some examples of host mode operations is:
in10.5 #
Attempt to change the interrogate frequency to 10.5 kHz, rejected due to
lower case characters.
IN10.5 *
Interrogate frequency changed to 10.5 kHz.
RX14.00 *
Receive frequency changed to 14.00kHz.
LG00000 * Lower range gate set to 0 milliseconds.
UG02000 * Upper range gate set to 2 seconds.
IN 00026 mS Interrogate initiated, response received in 26 milliseconds.
*
IN 00000 mS Interrogate initiated, no response received with range gates.
*
CM341256 * $..$...$...$...$...$...$...... # Command 341256 sent, status returned, 7 pings @
1 second Note the #, this indicates that listening was terminated.
CM341256 BACS command 341256 was terminated during transmission (no asterisk
sent)
Ranges displayed while in host mode are reported as total time of flight, it includes the
underwater units turn around time. To determine range you would subtract the TAT turn
around time for the particular underwater unit then divide by 2 and multiply the result by
the speed of sound. If no response is received before the upper range gate expires then the
range is reported as 00000 milliseconds. Any BACS acoustic command that is in the
process of being transmitted acoustically will be terminated if any character is sent to the
8011M during transmission. BACS acoustic commands take approximately 9 seconds to
transmit. If the command is terminated the 8011M will not return a pound sign, it will
send a carriage return / line feed. After a BACS acoustic command is sent the 8011M will
send an asterisk and then listen for a response from the underwater unit. After the first
reply is detected the 8011M will send a question mark and then send either a period or
question mark every 250mS. A question mark indicates a valid reply was detected during
that 250mS time period, a period indicates nothing was detected. The listening mode is
terminated by sending a carriage return / line feed. Host mode can be exited by pressing
any key on the 8011M keypad.

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8011M host mode serial commands:
RXxx.xx
INxx.x
IN
RR
NR
GR
SOx
SIx
UGxxxxx
LGxxxxx
CMxxxxxx

set receive freq. (reply), xx.xx in kHz (07.50 – 15.25, in 250Hz steps)
set transmit freq. (interrogate), xx.x in kHz (07.5 – 15.0, in 500Hz steps)
interrogate initiation
sets the 8011M to return ranges automatically after receipt of “IN“(default)
do not report ranges automatically
report last range acquired
set output power 0 – 9 (0 is not zero power, it’s the lowest power setting)
set receive sensitivity 0 – 9 (9 is most sensitive) (0 is the least sensitive)
set upper range gate 00050 – 21844 milliseconds.
set lower range gate 00000 – 21844 milliseconds. (default 50) set to “0” in
when using in air
send BACS command xxxxxx, then listens for status report.

Notes:
Port settings are: 9600,N,8,1
Serial commands are case sensitive, all are upper case.
Serial commands require strict attention to format, include all leading and trailing zeros
and do not add spaces.
An asterisk response from the 8011M (*) indicates command accepted.
A pound sign response from the 8011M (#) indicates serial command error.
Serial port is always in logging mode when not in Host mode.
Host mode can be entered thru the keypad using the menus or thru the serial port by
pressing enter (carriage return / line feed).
When listening for command status format is a series question marks and periods.
Question marks indicate a valid reply was detected, periods indicate no detect. Each
character represents a 250mS time period.
Serial cable pin out:
DB9 pin 2
AMP pin 8
DB9 pin 3
AMP pin 7
DB9 pin 5
AMP pin 2

Auxiliary cable pin out:
Pin 1 Ground
Pin 2 TX transmit envelope goes negative at the beginning of the transmit pulse.
Pin 3 Detect goes high on detection of a valid reply pulse this signal is delayed by 11
milliseconds from the actual detection.
Pin 4 Trigger If the deck unit is in the ranging mode a positive edge in on this pin will
initiate a ranging operation.
The auxiliary port is 5 volt logic.

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Customer Service:
Customer Service is available 24 hours a day 7 days a week. The after hours telephone
number is on our website at www.ore.com

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2 8011m Manual Rev A

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