Document:

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                                                                   EXHIBIT 10.14

                              AMENDED AND RESTATED
                             SECURED PROMISSORY NOTE

$3,500,000                                                      October 16, 1995

      FOR VALUE RECEIVED, the undersigned (together, "Borrower") hereby jointly
and severally promise to pay to the order of Shawmut Capital Corporation,
successor in interest by assignment to Barclays Business Credit, Inc.
("Lender"), in such coin or currency of the United States which shall be legal
tender in payment of all debts and dues, public and private, at the time of
payment, the principal sum of THREE MILLION FIVE HUNDRED THOUSAND AND NO/100
DOLLARS ($3,500,000), together with interest from and after the date hereof at
the annual rate set forth below.

      This Secured Promissory Note (this "Note") is the Term Note referred to
in, and is issued pursuant to, that certain Loan and Security Agreement between
Borrower and Lender dated as of December 15, 1993 (as amended from time to time,
the "Loan Agreement"), and is entitled to all of the benefits and security of
the Loan Agreement. All of the terms, covenants and conditions of the Loan
Agreement and all other instruments evidencing or securing the indebtedness
hereunder (including, without limitation, the "Security Documents" as defined in
the Loan Agreement) are hereby made a part of this Note and are deemed
incorporated herein in full. All capitalized terms used herein, unless otherwise
specifically defined in this Note, shall have the meanings ascribed to them in
the Loan Agreement.

      Subject to Sections 3.1(C) and 3.1(D) of the Loan Agreement, the principal
balance of this Note shall bear interest at the rate per annum for the Term Loan
stated in Section 3.1(A) of the Loan Agreement, except that upon and after the
occurrence and during the continuance of an Event of Default, the principal
balance of this Note and, to the extent permitted by applicable law, past-due
interest, shall bear interest at the Default Rate. Interest on this Note shall
be calculated in the manner provided in the Loan Agreement.

      The principal amount and accrued interest of this Note shall be due and
payable on the dates and in the manner hereinafter set forth:

            (a)   interest shall be due and payable monthly, in arrears,
      on the first day of each month, commencing on the first day of the
      first month after the date of this Note, and continuing until such
      time as the full principal balance, together with all other amounts
      owing hereunder, shall have been paid in full;

            (b)   principal shall be due and payable as follows:

                  (i)   on the first day of each month, commencing on the
      first day of the first month after the date of this Note, in monthly
      installments of $23,167.00 each;

                  (ii)  on May 31, 1996 and May 31, 1997, in installments
      of $500,000.00 each; and

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                  (iii) with all remaining principal being due and payable
      in full on the last day of the Original Term (or the last day of the
      Renewal Term if the Loan Agreement is extended as provided in
      Section 3.2 thereof), or on any earlier termination of the Loan
      Agreement by Borrower pursuant to Section 3.3 thereof.

      This Note shall be subject to mandatory prepayment in accordance with the
provisions of Section 2.2(C) of the Loan Agreement. Borrower may prepay this
Note in whole or in part at any time without premium or penalty, unless
otherwise specified in the Loan Agreement. All partial prepayments, whether
mandatory or voluntary, shall be applied to installments of principal in the
inverse order of their maturities.

      Upon and after the occurrence of an Event of Default, Lender shall have
all of the rights and remedies set forth in Section 11 of the Loan Agreement,
including the right to declare the then outstanding principal balance hereof and
all accrued interest hereon to be and the same shall thereupon become,
immediately due and payable without notice to or demand upon Borrower, all of
which Borrower hereby expressly waives.

      If this Note is collected by or through an attorney at law, then Borrower
shall be obligated to pay, in addition the principal balance and accrued
interest hereof, reasonable attorney's fees and court costs, in addition to any
other charges for which Borrower is responsible under the Loan Agreement and
other Loan Documents.

      Time is of the essence of this Note. To the fullest extent permitted by
applicable law, Borrower, for itself and its legal representatives, successors
and assigns, expressly waives, presentment, demand, protest, notice of dishonor,
notice of non-payment, notice of maturity, notice of protest, presentment for
the purpose of accelerating maturity, diligence in collection, and the benefit
of any exemption or insolvency laws.

      Wherever possible each provision of this Note shall be interpreted in such
a manner as to be effective and valid under applicable law, but if any provision
of this Note shall be prohibited or invalid under applicable law, such provision
shall be ineffective to the extent of such prohibition or invalidity without
invalidating the remainder of such provision or remaining provisions of this
Note. No delay or failure on the part of Lender in the exercise of any right or
remedy hereunder shall operate as a waiver thereof, nor as an acquiescence in
any default, nor shall any single or partial exercise by Lender of any right or
remedy preclude any other right or remedy. Lender, at its option, may enforce
its rights against any collateral securing this Note without enforcing its
rights against Borrower, any guarantor of the indebtedness evidenced hereby or
any other property or indebtedness due or to become due to Borrower. Borrower
agrees that, without releasing or impairing Borrower's liability hereunder,
Lender may at any time release, surrender, substitute or exchange any collateral
securing this Note and may at any time release any party primarily or
secondarily liable for the indebtedness evidenced by this Note.

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      Regardless of any provision contained in this Note or any of the other
Loan Documents, in no contingency or event whatsoever shall the aggregate of all
amounts that are contracted for, charged or received by Lender pursuant to the
terms of this Note or any of the other Loan Documents and that are deemed
interest under applicable law exceed the highest rate permissible under any
applicable law. No agreements, conditions, provisions or stipulations contained
in this Note or any of the other Loan Documents or the exercise by Lender of the
right to accelerate the payment or the maturity of all or any portion of the
Obligations, or the prepayment by Borrower of any of the Obligations or the
occurrence of any contingency whatsoever, shall entitle Lender to charge or
receive in any event, interest or any charges, amounts, premiums or fees deemed
interest by applicable law (such interest, charges, amounts, premiums and fees
referred to herein collectively as "Interest") in excess of the Maximum Rate and
in no event shall Borrower be obligated to pay Interest exceeding such Maximum
Rate, and all agreements, conditions or stipulations, if any, which may in any
event or contingency whatsoever operate to bind, obligate or compel Borrower to
pay Interest exceeding the Maximum Rate shall be without binding force or
effect, at law or in equity, to the extent only of the excess of Interest over
such Maximum Rate. If any Interest is charged or received in excess of the
Maximum Rate ("Excess"), Borrower acknowledges and stipulates that any such
charge or receipt shall be the result of an accident and bona fide error, and
such Excess, to the extent received, shall be applied first to reduce the
principal Obligations and the balance, if any, returned to Borrower, it being
the intent of the parties hereto not to enter into a usurious or otherwise
illegal relationship. The right to accelerate the maturity of any of the
Obligations does not include the right to accelerate any interest that has not
otherwise accrued on the date of such acceleration, and Lender does not intend
to collect any unearned interest in the event of any such acceleration. Borrower
recognizes that, with fluctuations in the rates of interest set forth in the
Agreement and this Note and the Maximum Rate, such an unintentional result could
inadvertently occur. All monies paid to Lender hereunder or under any of the
other Loan Documents, whether at maturity or by prepayment, shall be subject to
any rebate of unearned interest as and to the extent required by applicable law.
By the execution of this Note, Borrower covenants that (i) the credit or return
of any Excess shall constitute the acceptance by Borrower of such Excess, and
(ii) Borrower shall not seek or pursue any other remedy, legal or equitable,
against Lender, based in whole or in part upon contracting for, charging or
receiving any Interest in excess of the Maximum Rate. For the purpose of
determining whether or not any Excess has been contracted for, charged or
received by Lender, all interest at any time contracted for, charged or received
from Borrower in connection with any of the Loan Documents shall, to the extent
permitted by applicable law, be amortized, prorated, allocated and spread among
all Loans throughout the full term of the Obligations. Borrower and Lender
shall, to the maximum extent permitted under applicable law, (i) characterize
any non-principal payment as an expense, fee or premium rather than as Interest
and (ii) exclude voluntary prepayments and the effects thereof. The provisions
of this paragraph shall be deemed to be incorporated into every Loan Document.
All such Loan Documents and communications relating to any Interest owed by
Borrower and all figures set forth therein shall, for the sole purpose of
computing the extent of Obligations, be automatically recomputed by Borrower,
and by any court considering the same, to give effect to the adjustments or
credits required by this paragraph. If, in any month, the effective rate of
interest hereunder, would have exceeded the Maximum Rate, then the effective
interest rate for that month shall be the Maximum Rate, and, if in future months
the effective interest rate would be otherwise be less than the Maximum Rate,

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then the effective interest rate shall remain at the Maximum Rate until such
time as the amount of interest paid hereunder equal the amount of interest which
would have been paid if the same had not been limited by the Maximum Rate.

      THIS NOTE SHALL BE GOVERNED BY, AND CONSTRUED AND ENFORCED IN ACCORDANCE
WITH, THE INTERNAL LAWS OF THE STATE OF TEXAS.

      This Note is given in increase, amendment, modification, renewal and
extension, but not in extinguishment or novation, of that certain Secured
Promissory Note dated December 15, 1993 in the original principal amount of
$3,500,000, executed by Borrower and payable to the order of Lender.

      IN WITNESS WHEREOF, Borrower has caused this Note to be duly executed and
delivered in Dallas, Texas on the date first above written.

                                        LOWRANCE ELECTRONICS, INC.

                                        By: /s/ Darrell J. Lowrance
                                            ----------------------------------
                                            Darrell J. Lowrance, President

                                        LEI EXTRAS, INC.

                                        By: /s/ Steven L. Schneider
                                            ----------------------------------
                                            Steven L. Schneider, President

                                        LOWRANCE CONTRACTS, INC.

                                        By: /s/ Terry R. Nimmo
                                            ----------------------------------
                                            Terry R. Nimmo, Vice President

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                                        The Common Seal of
                                        LOWRANCE AUSTRALIA PTY LIMITED
                                        was affixed in accordance with its
                                        Articles of Association in the
                                        presence of:

                                        By: /s/ Darrel J. Lowrance
                                            ----------------------------------
                                            Darrell J. Lowrance, Director

     [SEAL]

                                        By: /s/ Steven L. Schneider
                                            ----------------------------------
                                            Steven L. Schneider, Director

                                        SEA ELECTRONICS, INC.

                                        By: /s/ Steven L. Schneider
                                            ----------------------------------
                                            Steven L. Schneider, President

                                       5<PAGE>

                                                                   EXHIBIT 10.15

                   AMENDED AND RESTATED REVOLVING CREDIT NOTE

$13,250,000                      Dallas, Texas                  October 16, 1995

      FOR VALUE RECEIVED, the undersigned (together, "Borrower"), hereby jointly
and severally promise to pay to the order of SHAWMUT CAPITAL CORPORATION a
Connecticut corporation, successor by assignment to Barclays Business Credit,
Inc. ("Lender"), on or before December 31, 1998, the lesser of (i) THIRTEEN
MILLION TWO HUNDRED AND FIFTY THOUSAND AND NO/100 DOLLARS ($13,250,000) or (ii)
fifty percent (50%) of the unpaid principal amount of all advances made by
Lender to Borrower as "Revolving Credit Loans" under the Loan Agreement referred
to below.

      Borrower also promises to pay interest on the unpaid principal amount of
this Note at the rates and at the times which shall be determined in accordance
with the provisions of the Loan and Security Agreement dated as of December 15,
1993, by and among Borrower and Lender (said agreement, as it may be amended,
restated, supplemented or otherwise modified from time to time, being herein
called the "Loan Agreement"). Capitalized terms used herein without definition
shall have the meanings set forth in the Loan Agreement.

      This Note is a "Revolving Credit Note" issued pursuant to Section 2.1 of,
and is entitled to the benefits of, and subject to the provisions of, the Loan
Agreement to which reference is hereby made for a more complete statement of the
terms and conditions under which Revolving Credit Loans evidenced hereby are
made and are to be repaid.

      All payments of principal and interest due in respect of this Note shall
be made without deduction, defense, set off or counterclaim, in lawful money of
the United States of America, and in same day funds and delivered to Lender by
wire transfer to Lender's account, ABA No. 0710-0028-8, Account No. 183-8549, at
Harris Trust and Savings Bank (Chicago, Illinois), Reference: Shawmut Capital
Corporation-Dallas, re: Lowrance Electronics, Inc. or at such other place as
shall be designated by notice for such purpose in accordance with the terms of
the Loan Agreement.

      No agreements, conditions, provisions or stipulations contained in this
Note or any other Loan Documents or any other instrument, document or agreement
between Borrower and Lender, or default of Borrower, or the exercise by Lender
of the right to accelerate the payment of the maturity of principal and
interest, or to exercise any option whatsoever contained in any Loan Documents
or any other agreement between Borrower and Lender, or the arising of any
contingency whatsoever, shall entitle Lender to contract for, charge or receive,
in any event, interest exceeding the Maximum Legal Rate. In no event shall
Borrower be obligated to pay interest exceeding such Maximum Legal Rate and all
agreements, conditions or stipulations, if any, which may in any event or
contingency whatsoever operate to bind, obligate or compel Borrower to pay a
rate of interest exceeding the Maximum Legal Rate, shall be without binding
force or effect, at law or in equity, to the extent only of the excess of
interest over such

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Maximum Legal Rate. In the event any interest is contracted for, charged or
received in excess of the Maximum Legal Rate ("Excess"), Borrower acknowledges
and stipulates that any such contract, charge or receipt shall be the result of
an accident and bona fide error, and that any Excess received by Lender shall be
applied, first, to reduce the principal then unpaid hereunder; second, to reduce
the other Obligations; and third, returned to Borrower, it being the intention
of the parties hereto not to enter at any time into a usurious or otherwise
illegal relationship. Borrower recognizes that, with fluctuations in the Base
Rate and the Maximum Legal Rate, such a result could inadvertently occur. By the
execution of this Note, Borrower covenants that (i) the credit or return of any
Excess shall constitute the acceptance by Borrower of such Excess, and (ii)
Borrower shall not seek or pursue any other remedy, legal or equitable, against
Lender, based in whole or in part upon contracting for, charging or receiving of
any interest in excess of the maximum authorized by applicable law. For the
purpose of determining whether or not any Excess has been contracted for,
charged or received by Lender, all interest at any time contracted for, charged
or received by Lender in connection with this Agreement shall be amortized,
prorated, allocated and spread in equal parts during the entire term of this
Note.

      Lender and any subsequent holder of this Note agrees that before disposing
of this Note or any part hereof it will make a notation hereon of all principal
payments previously made hereunder and of the date to which interest hereon has
been paid; provided, however, that the failure to make a notation of any payment
made on this Note shall not limit or otherwise affect the obligation of Borrower
with respect to payments of principal or interest on this Note.

      This Note is subject to voluntary prepayment by Borrower as provided in
the Loan Agreement.

      Upon the occurrence of an Event of Default, the unpaid balance of the
principal amount of this Note may become, or may be declared to be, due and
payable in the manner, upon the conditions and with the effect provided in the
Loan Agreement.

      The terms of this Note are subject to amendment only in the manner
provided in the Loan Agreement.

      Borrower promises to pay pursuant to Section 12.4 of the Loan Agreement
all costs and expenses, including reasonable attorneys' fees, incurred in the
collection and enforcement of the Note. Borrower and endorsers of this Note
hereby consent to renewals and extensions of time at or after the maturity
hereof, without notice, and hereby waive diligence, presentment, protest, demand
and notice of every kind, including, without limitation, notices of default,
intent to accelerate and acceleration (except such notices as may be required
under the Loan Agreement).

      Wherever possible each provision of this Note shall be interpreted in such
a manner as to be effective and valid under applicable law, but if any provision
of this Note shall be prohibited or invalid under applicable law, such provision
shall be ineffective to the extent of such prohibition or invalidity without
invalidating the remainder of such provision or remaining provisions of this
Note. No delay or failure on the part of Lender in the exercise of any right or
remedy hereunder shall operate as a waiver thereof, nor as an acquiescence under
any default, nor

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shall any single or partial exercise by Lender of any right or remedy preclude
any other rights or remedy. Lender, at its option, may enforce its rights
against any collateral securing this Note without enforcing its rights against
Borrower, any guarantor of the indebtedness evidenced hereby or any other
property or indebtedness due or to become due to Borrower. Borrower agrees that,
without releasing or impairing Borrower's liability hereunder, Lender may at any
time release, surrender, substitute or exchange any collateral securing this
Note and may at any time release any party primarily or secondarily liable for
the indebtedness evidenced by this Note.

      TIME IS OF THE ESSENCE WITH RESPECT TO ALL OF BORROWER'S OBLIGATIONS AND
AGREEMENTS UNDER THIS NOTE.

      THE LOAN AGREEMENT AND THIS NOTE SHALL BE GOVERNED BY, AND SHALL BE
CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF TEXAS.

      This Note is given in renewal, modification and extension, but not in
extinguishment or novation, of that certain Secured Promissory Note dated
December 15, 1993 in the original principal amount of $13,250,000, executed by
Lowrance Electronics, Inc., LEI Extras, Inc., Lowrance Contracts, Inc. and
Lowrance Australia Pty Limited.

      IN WITNESS WHEREOF, Borrower has caused this Note to be executed and
delivered by its duly authorized officer, as of the day and year first written
above.

                                        LOWRANCE ELECTRONICS, INC.

                                        By: /s/ Darrell J. Lowrance
                                            ----------------------------------
                                            Darrell J. Lowrance, President

                                        LEI EXTRAS, INC.

                                        By: /s/ Steven L. Schneider
                                            ----------------------------------
                                            Steven L. Schneider, President

                                        LOWRANCE CONTRACTS, INC.

                                        By: /s/ Terry R. Nimmo
                                            ----------------------------------
                                            Terry R. Nimmo, Vice President

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<PAGE>

                                        The Common Seal of
                                        LOWRANCE AUSTRALIA PTY LIMITED
                                        was affixed in accordance with its
                                        Articles of Association in the
                                        presence of:

                                        By: /s/ Darrell J. Lowrance
                                            ----------------------------------
                                            Darrell J. Lowrance, Director

      [SEAL]

                                        By: /s/ Steven L. Schneider
                                            ----------------------------------
                                            Steven L. Schneider, Director

                                        SEA ELECTRONICS, INC.

                                        By: /s/ Steven L. Schneider
                                            ----------------------------------
                                            Steven L. Schneider, President

                                       4

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