K66GX1280SVHF FM Marine Transceiver

GX1280SPage 1 MATRIX GX1280S 25 Watt VHF/FM Marine Transceiver Owner's Manual lSubmersible lDSC distress call automatically broadcasts lat/long and vessel ID ] lMARITEL DSC telephone capability lDSC position request function and NMEA data input/output lLatitude/Longitude and SOG/COG display ] lChannel name capability lVersatile user-programmable Scanning, Priority Scan and Dual Watch lNOAA Weather Alert lOne-button access to Channel 16 and 9 lAccess to all US, Canadian and International channels lBig, back-lit display and keys ]with GPS attached GX1280SPage 2 GX1280SPage 3 GX1280SPage 4 SAFETY / WARNING INFORMATION This radio is restricted to occupational use, work related operations only where the radio operator must have the knowledge to control the exposure conditions of its passengers and bystanders by maintaining the minimum separation distance of 0.6 m (2 feet). Failure to observe these restrictions will result in exceeding the FCC RF exposure limits. Antenna Installation: The antenna must be located at least 0.6 m (2 feet) away from passengers in order to comply with the FCC RF exposure requirements. For roof top installation, the antenna must be placed in the center of the roof. ON-LINE WARRANTY REGISTRATION Please visit www.standardhorizon.com to register the MATRIX Marine VHF. It should be noted that visiting the Web site from time to time may be beneficial to you, as new products are released they will appear on the STANDARD HORIZON Web site. PRODUCT SUPPORT INQUIRIES If you have any questions or comments regarding the use of the MA- TRIX, you can visit the STANDARD HORIZON Web site to send an E- Mail or contact the Product Support team at 800-767-2450 M-F 7:00- 5:00PST. GX1280SPage 5 FCC RADIO LICENSE INFORMATION Standard Horizon radios comply with the Federal Communication Commis- sion (FCC) requirements that regulate the Maritime Radio Service. STATION LICENSE An FCC ship station license is no longer required for any vessel traveling in U.S. waters which is under 20 meters in length. However, any vessel re- quired to carry a marine radio on an international voyage, carrying a HF single side band radiotelephone or marine satellite terminal is required to have a ship station license. FCC license forms, including applications for ship (506) and land station licenses can be downloaded via the Internet at www.fcc.gov/forms. To obtain a form from the FCC, call (888) 225-5322. RADIO CALL SIGN Currently the FCC does not require recreational boaters to have a Ship Radio Station License. The USCG recommends the boats registration number and the state to be used. CANADIAN SHIP STATION LICENSING You may need a license when traveling in Canada.. If you do need a license contact their nearest field office or regional office or write: Industry Canada Radio Regulatory Branch Attn: DOSP 300 Slater Street Ottawa, Ontario Canada, KIA 0C8 GX1280SPage 6 FCC NOTICE NOTICE Unauthorized changes or modifications to this equipment may void com- pliance with FCC Rules. Any change or modification must be approved in writing by STANDARD HORIZON. NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be de- termined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. GX1280SPage 7 1 GENERAL INFORMATION 1.1 INTRODUCTION The STANDARD HORIZON MATRIX is a VHF/FM transceiver designed for use in the frequency range of 156.025 to 163.275 MHz. The MATRIX re- quires 13.8V for operation and has a switchable RF output power of 1 watt or 25 watts. The MATRIX is capable of RTCM SC101 DSC (Digital Selective Calling) operation and intercom operation with the use of an optional RAM mic (CMP25 remote-control speaker/microphone with display). The MATRIX operates on all currently-allocated marine channels which are switchable for use with either USA, International, or Canadian regulations. It has an emergency channel 16 which can be immediately selected from any channel by pressing the red [ 16/9 ] key. NOAA Weather channels can also be accessed immediately by pressing the [ WX ] key with channel selec- tion. Other features of the transceiver include: scanning, priority scanning, sub- mersible speaker mic, high and low voltage warning, and GPS repeatability. 1.2 FCC / INDUSTRY CANADA INFORMATION The following data pertaining to the transceiver is necessary to fill out the license application. Type Acceptance........................................................................FCC Part 80 Output Power.............................................1 Watt (low) and 25 Watts (high) Emission........................................................................16K0G3E, 16K0G2B Frequency Range...................................................156.025 to 163.275 MHz FCC Type Number....................................................................K66GX1280S Industry Canada Type Approval.........................................511B-GX1280S V GX1280SPage 8 2 ACCESSORIES 2.1 PACKING LIST When the package containing the transceiver is first opened, please check it for the following contents: üGX…

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FCC ID: K66GX1280S Vertex Standard Co., Ltd. Front of EUT Rear of EUT FCC ID: K66GX1280S Vertex Standard Co., Ltd. Left Side of EUT Right Side of EUT FCC ID: K66GX1280S Vertex Standard Co., Ltd. Top of EUT Bottom of EUT FCC ID: K66GX1280S Vertex Standard Co., Ltd. Microphone and Cable DC Cable

GX1280SGX1280S LABEL DRAWINGLABEL DRAWING Vertex Standard Co., Ltd.Vertex Standard Co., Ltd. (1:1) (1:2) ID / Part 15.19 and CAUTION drawings ID drawing Part 15.19 and CAUTION drawings This device complies with part 15 of FCC Rules. Operation is subject to that this device dose not cause harmful interference. Device restricted to occupational use to satisfy FCC RF exposure compliance. See owner’s manual for specific operating requirement. Label location CAUTION This device complies with part 15 of FCC Rules. Operation is subject to that this device dose not cause harmful interference. Device restricted to occupational use to satisfy FCC RF exposure compliance. See owner’s manual for specific operating requirement. CAUTION GX1280S VERTEX STANDARD CO., LTD. MADE IN JAPAN CANADA: xxxx-xxxxxxx FCC ID: K66GX1280S 4909959000000 SER NO. 00000000 GX1280S VERTEX STANDARD CO., LTD. MADE IN JAPAN CANADA: xxxx-xxxxxxx FCC ID: K66GX1280S 4909959000000 SER NO. 00000000

FCC ID: K66GX1280S Vertex Standard Co., Ltd. Top of EUT without Case Bottom of EUT without Case (with Shield Cases) FCC ID: K66GX1280S Vertex Standard Co., Ltd. Bottom of EUT without Case (without Shield Cases) Inside of Panel with PWB FCC ID: K66GX1280S Vertex Standard Co., Ltd. Side-A of MAIN-UNIT with Shield Case Side-A of MAIN-UNIT without Shield Case FCC ID: K66GX1280S Vertex Standard Co., Ltd. Side-B of MAIN-UNIT Side-A of CNTL-UNIT with LCD FCC ID: K66GX1280S Vertex Standard Co., Ltd. Side-A of CNTL-UNIT without LCD Side-B of CNTL-UNIT FCC ID: K66GX1280S Vertex Standard Co., Ltd. Front of LCD Rear of LCD FCC ID: K66GX1280S Vertex Standard Co., Ltd. Top of Chassis Bottom of Chassis FCC ID: K66GX1280S Vertex Standard Co., Ltd. Inside of Panel without PWB Inside of Microphone

GX1280S Circuit Description 1 GX1280S Circuit Description Reception and transmission are switched by “RX-CNTL” and “TX-CNTL” lines from the CNTL Unit. The receiver uses double-conversion superheterodyne circuitry, with a 21.4 MHz 1st IF and 450 kHz 2nd IF. The 1st local is produced by a PLL synthesizer, yielding the 21.4 MHz 1st IF. The 2nd local uses a 21.850 MHz crystal oscillator, yielding the 450 kHz 2nd IF. The 2nd mixer and other circuits use a custom IC to convert and amplify the 2nd IF and detect FM to obtain demodulated signals. During transmit, the PLL synthesizer oscillates at the desired frequency directly, for amplification to obtain RF power output. During transmit, voice modulation is applied to this synthesizer. Transceiver functions, such as TX/RX control, PLL synthesizer settings, and channel programming, are controlled using the MPU. Receiver Incoming RF signals from the antenna connector are delivered to the RF Unit, and pass through a low-pass filter (LPF) consisting of coils and capacitors, and antenna switching diodes D1003 and D1004 (both XB15A308) for delivery to the receiver front end. Signals within the frequency range of the transceiver are then passed through a bandpass filter consisting of T1001 and T1002 before RF amplification by Q1016 (2SC5006). The amplified RF is then bandpass filtered again by T1003, T1004, and T1005, to ensure pure in-band input to 1st mixer Q1024 (3SK320). Buffered output from the VCO Unit is amplified by Q1022 (2SC5006) and bandpass filtered by L1013, L1015, C1125, C1131, and C1134, to provide a pure 1st local signal between 134.65 and 140.625 MHz for delivery to the 1st mixer. The 21.4 MHz 1st mixer product then passes through dual monolithic crystal filter XF1001 ( ± 6.5 kHz BW), and is amplified by Q1031 (2SC4400-3) and delivered to the input of the FM IF subsystem IC Q1036 (TA31136FN). This IC contains the 2nd mixer, 2nd local oscillator, limiter amplifier, FM detector, noise amplifier, and squelch gates. The 2nd local is produced by crystal X1001 (21.850 MHz) then passes through the amplifier Q1017 (2SC4154) ,and delivered to the 2nd mixer in the IF-IC. The 1st IF is converted to 450 kHz by the 2nd mixer and stripped of unwanted components by ceramic filter CF1001. After passing through a limiter amplifier, the signal is demodulated by the FM detector. Demodulated receive audio from the IF-IC is amplified by Q1038 (2SC4154E), then the signal is through the AF switch Q1040 (BU4053BCFV), the AF amplifier Q1045 (NJM12902V) and the AF Mute switch Q1035 (BU4066BCFV). After volume adjustment by the D/A converter Q1033 (M62364FP) and the AF power amplifier Q1043 (LA4425A), the audio signal is passed to the external Speaker terminal in the accessory cable and 16-Ohm internal loudspeaker. GX1280S Circuit Description 2 PLL Synthesizer The 1st LO maintains stability from the PLL synthesizer by using a 21.850 MHz reference signal from crystal X1001. PLL synthesizer IC Q1021 (MB15A02PFV) consists of a prescaler, reference counter, swallow counter, programmable counter, a serial data input port to set these counters based on the external data, a phase comparator, and a charge pump. The PLL-IC divides the 21.850 MHz reference signal by 874 using the reference counter (25 kHz comparison frequency). The VCO output is divided by the prescaler, swallow counter and programmable counter. These two signals are compared by the phase comparator and applied to the charge pump. A voltage proportional to their phase difference is delivered to the low-pass filter circuit, then fed back to the VCO as a voltage with phase error, controlling and stabilizing the oscillating frequency. This synthesizer also operates as a modulator during transmit. The RX VCO is comprised of Q1027 (2SK520-K43) and D1009/1010/1014/1015 (all HVC3068); it oscillates at 21.4 MHz below. The TX VCO is comprised of Q1029 (2SC5006) and D1012 (both HVC3068); it oscillates at the fundamental frequency, with direct frequency-modulation using varactor diode D1016 (HVC3068). The VCO output passes through buffer amplifier Q1022 (2SC5006) to obtain stable output. The VCO DC supply is regulated by Q1018 (2SC4154E). Synthesizer output is fed to the 1st mixer by diode switch D1006 (DAN235U) during receive, and to drive amplifier Q1014 (2SC3357), and the RF power amplifier Q1007 (RA35H1516M)for transmit. The reference oscillator feeds the PLL synthesizer. Transmitter Voice audio from the microphone is delivered via the MIC connector to the RF Unit. After passing through amplifier Q1028 (NJM12902V), a pre-emphasis network, the D/A converter Q1033 (M62364FP) for MIC switch, the MIC mute switch Q1035 (BU4066BCFV), limiter (IDC: instantaneous deviation control), and LPF Q1028 (NJM12902V), the audio is adjusted for optimum deviation level and delivered to the next stage. Voice or DSC(Digital Selective Calling) encode signal inputs from the LPF Q1028 are FM-modulated in the VCO of the synthesizer. Synthesizer output, after passing through diode switch D1006 (DAN235U), is amplified by driver Q1014 (2SC3357), and the RF power amplifier Q1007 (RA35H1516M) to obtain full RF output. The RF energy then passes through antenna switch D1003 and a low-pass filter circuit and finally to the antenna connector. RF output power from the final amplifier is sampled by C1013 and C1019 and is rectified by D1002 (1SS321). The resulting DC is fed through Automatic Power Controllers Q1034 (NJM2904V) to transmitter RF power amplifier Q1007, thus providing positive control of the power output. Generation of spurious products by the transmitter is minimized by the fundamental carrier frequency being equal to the final transmitting frequency, modulated directly in the GX1280S Circuit Description 3 transmit VCO. Additional harmonic suppression is provided by a low-pass filter consisting of coils and capacitors, resulting in more than 70 dB of harmonic suppression prior to delivery of the RF energy to the antenna. DSC Encoder/ D…

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FCC ID: K66GX1280S Alignment Vertex Standard Co,. Ltd. 1 GX1280S Alignment The GX1280S has been carefully aligned at the factory for the specified performance across the marine band. Realignment should therefore not be necessary except in the event of a component failure. All component replacement and service should be performed only by an authorized Standard Horizon representative, or the warranty policy may be voided. The following procedures cover the sometimes critical and tedious adjustments that are not normally required once the transceiver has left the factory. However, if damage occurs and some parts are replaced, realignment may be required. If a sudden problem occurs during normal operation, it is likely due to component failure; realignment should not be done until after the faulty component has been replaced. We recommend that servicing be performed only by authorized Standard Horizon service technicians who are experienced with the circuitry and fully equipped for repair and alignment. Therefore, if a fault is suspected, contact the dealer from whom the transceiver was purchased for instructions regarding repair. Authorized Standard Horizon service technicians realign all circuits and make complete performance checks to ensure compliance with factory specifications after replacing any faulty components. Those who do undertake any of the following alignments are cautioned to proceed at their own risk. Problems caused by unauthorized attempts at realignment are not covered by the warranty policy. Also, Standard Horizon, a division of VERTEX STANDARD, must reserve the right to change circuits and alignment procedures in the interest of improved performance, without notifying owners. Under no circumstances should any alignment be attempted unless the normal function and operation of the transceiver are clearly understood, the cause of the malfunction has been clearly pinpointed and any faulty components replaced, and the need for realignment determined to be absolutely necessary. The following test equipment (and thorough familiarity with its correct use) is necessary for complete realignment. Correction of problems caused by misalignment resulting from use of improper test equipment is not covered under the warranty policy. While most steps do not require all of the equipment listed, the interactions of some adjustments may require that more complex adjustments be performed afterwards. Do not attempt to perform only a single step unless it is clearly isolated electrically from all other steps. Have all test equipment ready before beginning, and follow all of the steps in a section in the order presented. Required Test Equipment ˆ RF Signal Generator with calibrated output level at 200 MHz ˆ Deviation Meter (linear detector) ˆ AF Millivoltmeter ˆ SINAD Meter FCC ID: K66GX1280S Alignment Vertex Standard Co,. Ltd. 2 ˆ Inline Wattmeter with 5% accuracy at 200 MHz ˆ Regulated DC Power Supply: 13.8 VDC, 10A ˆ 50-ohm Non-reactive Dummy Load: 30W at 200 MHz ˆ Frequency Counter: >0.1 ppm accuracy at 200 MHz ˆ AF Signal Generator ˆ DC Voltmeter: high impedance ˆ VHF Sampling Coupler ˆ AF Dummy Load: 4 Ohms, 10 W ˆ Oscilloscope ˆ Spectrum Analyzer ˆ GX1260S Marine Transceiver Alignment Preparation & Precautions A dummy load and inline wattmeter must be connected to the main antenna jack in all procedures that call for transmission. Correct alignment is not possible with an antenna. After completing one step, read the following step to determine whether the same test equipment will be required. If not, remove the test equipment (except dummy load and wattmeter, if connected) before proceeding. Correct alignment requires that the ambient temperature be the same as that of the transceiver and test equipment, and that this temperature be held constant between 20°C and 30°C (68°F and 86°F). When the transceiver is brought into the shop from hot or cold air it should be allowed some time for thermal equalization with the environment before alignment. If possible, alignments should be made with oscillator shields and circuit boards firmly affixed in place. Also, the test equipment must be thoroughly warmed up before beginning. Note: Signal levels in dB referred to in this procedure are based on 0 dBμ = 0.5 μV (closed circuit). Overview of Test Mode The test mode has been build in the microprocessor in order to adjust and confirm the performance of transceiver. The purpose is to adjust transceiver simply and to confirm the performance of transceiver smoothly. (a) Expansion channels “EXP01 - EXP07” will be set as follows: FCC ID: K66GX1280S Alignment Vertex Standard Co,. Ltd. 3 DISPLAYRX FrequencyTX FrequencySCAN Channel EXP01156.050 MHz156.050 MHzX EXP02---157.425 MHzX EXP03163.275 MHz---X EXP04155.050 MHz155.050 MHzO EXP05162.025 MHz162.025 MHzX EXP06163.575 MHz158.975 MHzX WX10163.275 MHz---O (B) In CH70, ever time you are in transmit mode, (every time you press PTT), the following test tone can be outputted: 1st transmission:Synthetic tone of 1300 Hz and 2100 Hz 2nd transmission:1300 Hz 3rd transmission:2100 Hz 4th transmission:No Modulation 5th transmission:Return to 1st transmission (C) Scan the channels between WX10 and EXP04 in the SCAN mode. Starting Test Mode Confirm that turn off the transceiver, and short the TEST points. Press the PWR/VOL switch while press and holding the DIST and DW keys. Confirmation of VCO -- Confirmation -- ˆ Connect the DC voltmeter to the test point (LOCK TP). ˆ Use the UP/DOWN key to set the channel to EXP04, confirm that voltage on the test point is over 1.0 V in the receive and transmit mode. ˆ Use the UP/DOWN key to set the channel to EXP05, confirm that voltage on the test point is below 5.0 V in the transmit mode. ˆ Use the UP/DOWN key to set the channel to EXP06, confirm that voltage on the test point is below 5.0 V in the receive mode. Adjustment and Confirmation of Transmit Power Adjust power at high and low in the transmit mode, and confirm power in …

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1/2 Component Application AddressDevice nameDescriptionApplication [RF-UNIT] D 1001 Diode1N5402Reverse Voltage Protection D 1002 Diode1SS321Power Detector D 1003 DiodeXB15A308Antenna Switch D 1004 DiodeXB15A308Antenna Switch D 1005 DiodeHSU277RF Over Input Protection D 1006 DiodeDAN235UTx/Rx RF Switch D 1008 DiodeHZU5ALLPLL Charge Pump D 1009 Varactor DiodeHVC3068VCO D 1010 Varactor DiodeHVC3068VCO D 1012 Varactor DiodeHVC3068VCO D 1013 Diode1SS302PLL L.P.Filter D 1014 Varactor DiodeHVC3068VCO D 1015 Varactor DiodeHVC3068VCO D 1016 Varactor DiodeHVC3068VCO Modulation D 1017 Zener DiodeHZM5.6NB2RX 5V Regulator D 1018 DiodeDA221Rectifier Q 1001 Transistor2SB1201DC AMP Q 1002 Transistor2SB1301DC AMP Q 1003 ICNJM7808FA8V Regulator Q 1004 ICRT1N441UTx Mute Switch Q 1005 ICRT1N241MDC Switch Q 1006 ICRT1N241MDC Switch Q 1007 ICRA35H1516M-01RF Power MODULE Q 1008 ICNJM78M05DL1A5V Regulator Q 1009 ICDTB123EKTx 8V Switch Q 1010 Transistor2SA1602ADC AMP Q 1011 ICDTB123EKTx 8V Switch Q 1013 ICDTB123EKRx 8V Switch Q 1014 Transistor2SC3357Buff AMP Q 1016 Transistor2SC5006RF AMP Q 1017 Transistor2SC4154EBuff AMP Q 1018 Transistor2SC4154ERipple Filter Q 1019 Transistor2SA1602AUnlock Switch Q 1020 ICRT1N241MDC Switch Q 1021 ICMB15A02PLL Subsystem Q 1022 Transistor2SC5006VCO Buff AMP Q 1023 ICRT1N441MDC Switch Q 1024 FET3SK320Mixer Q 1025 Transistor2SA1162GRPLL Charge Pump Q 1026 Transistor2SC2712GRPLL Charge Pump Q 1027 FET2SK520-K13RX VCO Q 1028 ICNJM12902VMIC AMP, Limitter, Low Pass Filter, AF Comparator Q 1029 Transistor2SC5006TX VCO Q 1030 ICRT1N441MDC Switch Q 1031 Transistor2SC4400IF AMP Q 1032 ICRT1N441UModuration Switch Q 1033 ICM62364MIC Selector, TX H/L Switch, AF Volume Q 1034 ICNJM2904VAPC Q 1035 ICBU4066AF Mute Switch, MIC Mute Switch Q 1036 ICTA31136FNIF Subsystem Q 1037 Transistor2SC4154EAF AMP Q 1038 Transistor2SC4154EAF AMP Q 1039 Transistor2SC4154ENoise AMP Q 1040 ICBU4053AF Switch Q 1041 ICNJM2211MFSK Decorder Q 1042 TransistorRT1N241MAF Mute Switch Q 1043 ICLA4425AAF Power AMP Q 1045 ICNJM12902VAF Buffer AMP [PANEL-UNIT] D 2002 LED FY1111C Back Light LED D 2003 LED FY1111C Back Light LED D 2004 LED FY1111C Back Light LED D 2005 LED FY1111C Back Light LED D 2006 LED FY1111C Back Light LED D 2007 LED FY1111C Back Light LED D 2010 LED FY1111C Back Light LED D 2014 Diode 1SS355 Protector D 2016 Diode HZM27WA Protector D 2018 Diode HZM27WA Protector Q 2001 IC NJM78L05UA Regulator Q 2002 IC PST597CN Reset FCC ID: K66GX1280S Vertex Standard Co., Ltd. 2/2 Component Application AddressDevice nameDescriptionApplication FCC ID: K66GX1280S Q 2003 Transistor DTC144EE Detector Q 2004 IC M30620FCAGP CPU Q 2006 IC BR24L64F Memory Q 2007 Transistor 2SC4154E DC AMP Q 2008 Transistor CPH6102 DC AMP Q 2009 Transistor 2SC4154E Lamp Switch Q 2010 IC HD66712SA00FS LCD Driver Q 2011 Transistor 2SA1602A Driver Q 2012 Transistor 2SC4154E Driver Q 2013 IC TLP281 Detector Q 2016 IC TC74HC14AF Driver Q 2017 Transistor 2SC4154 Driver Q 2018 Transistor 2SA1602A Driver Vertex Standard Co., Ltd.

FCC ID: K66GX1280S MFA p0340003, d0340021 ENVIRONMENTAL ASSESSMENT for MOBILES/FIXED BASE STATION for FCC ID: FCC ID: K66GX1280S Model:GX1280S to FEDERAL COMMUNICATIONS COMMISSION 47 CFR 1.1310 (MPE) Radiofrequency Radiation Exposure Limits DATE OF REPORT: April 16, 2003 ON THE BEHALF OF THE APPLICANT: Vertex Standard Co., Ltd. AT THE REQUEST OF: P.O. Received UPS 03/31/2003 Vertex Standard USA Inc. 10900 Walker Street Cypress, CA 90630 Attention of: Mikio Maruya, Executive Vice President (800) 255-9237; FAX: (800) 477-9237 (714) 827-7600; FAX: -8100 [email protected] SUPERVISED BY: Morton Flom, P. Eng. FCC ID: K66GX1280S MFA p0340003, d0340021 TABLE OF CONTENTS RULE DESCRIPTION PAGE . Test Report 1 . Identification of the Equipment Under Test 2 . Standard Test Conditions and Engineering Practices 4 1.1310 Environmental Assessment 5 FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 1 of 9. Required information per ISO/IEC Guide 25-1990, paragraph 13.2: a) TEST REPORT (SUPPLEMENTAL) b) Laboratory: (FCC: 31040/SIT) (Canada: IC 2044) M. Flom Associates, Inc. 3356 N. San Marcos Place, Suite 107 Chandler, AZ 85225 c) Report Number: d0340021 d) Client: Vertex Standard USA Inc. 10900 Walker Street Cypress, CA 90630 e) Identification: GX1280S FCC ID: K66GX1280S Description: VHF / FM Marine Transceiver f) EUT Condition: Not required unless specified in individual tests. g) Report Date: April 16, 2003 EUT Received: April 1, 2003 h, j, k): As indicated in individual tests. i) Sampling method: No sampling procedure used. l) Uncertainty: In accordance with MFA internal quality manual. m) Supervised by: Morton Flom, P. Eng. n) Results: The results presented in this report relate only to the item tested. o) Reproduction: This report must not be reproduced, except in full, without written permission from this laboratory. FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 2 of 9. IDENTIFICATION OF THE EQUIPMENT UNDER TEST (EUT) NAME AND ADDRESS OF APPLICANT: Vertex Standard Co., Ltd. 4-8-8 Nakameguro, Meguro-Ku Tokyo 153-8644 Japan MANUFACTURER: Applicant FCC ID: K66GX1280S MODEL NO: GX1280S DESCRIPTION: VHF / FM Marine Transceiver TYPE OF EMISSION: 16K0G3E, 16K0G2B FREQUENCY RANGE, MHz: 156.025 to 157.425 POWER RATING, Watts: 1 to 25 x Switchable Variable N/A MODULATION: AMPS TDMA CDMA x OTHER ANTENNA: HELICAL MONOPOLE WHIP x OTHER NOTE: For RF Safety test antenna gain taken at the upper range of expected gain (i.e. 0 dBd) and RF Power set to highest nominal power across all channels. FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 3 of 9. M. Flom Associates, Inc. is accredited by the American Association for Laboratory Association (A2LA) as shown in the scope below. "This laboratory is accredited by the American Association for Laboratory Accreditation (A2LA) and the results shown in this report have been determined in accordance with the laboratory's terms of accreditation unless stated otherwise in the report." Should this report contain any data for tests for which we are not accredited, or which have been undertaken by a subcontractor that is not A2LA accredited, such data would not covered by this laboratory's A2LA accreditation. FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 4 of 9. STANDARD TEST CONDITIONS and ENGINEERING PRACTICES Except as noted herein, the following conditions and procedures were observed during the testing: In accordance with ANSI C63.4-1992/2000, section 6.1.9, and unless otherwise indicated in the specific measurement results, the ambient temperature of the actual EUT was maintained within the range of 10° to 40°C (50° to 104 °F) unless the particular equipment requirements specify testing over a different temperature range. Also, unless otherwise indicated, the humidity levels were in the range of 10% to 90% relative humidity. Prior to testing, the EUT was tuned up in accordance with the manufacturer's alignment procedures. All external gain controls were maintained at the position of maximum and/or optimum gain throughout the testing. Measurement results, unless otherwise noted, are worst case measurements. FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 5 of 9. Name of test: Environmental Assessment Specification: FCC: 47 CFR 1.1310 Measurement Guide: ANSI/IEEE C95.1 1992 Test Equipment: Maximum Permissible Exposure (MPE) measurement system, consisting of: Narda 8717-1174R, Radiation meter Narda 8761D, E-field probe (300 kHz – 3 GHz) (Calibrated Nov-98) Measurement Procedure: 1. The following measurements were performed with a Narda probe using ANSI/IEEE C95.1 as a guide. 2. Prior to making any measurements, the measurements system was calibrated in accordance with the manufacturer’s procedures. 3. The EUT’s radiating element (antenna) was placed on a 1 m tall table for ease of testing. For equipment normally operated on a metal surface, a ground plane was used. 4. The remaining equipment necessary to operate the EUT was maintained at a distance from the measurement arrangement suitable to minimize interference with the measurements. 5. The minimum safe distance was calculated from the formula Power Density = EIRP / 4πR 2 (Peak Watts/m 2 ). The calculation is shown with the measurement data. 6. With the EUT operating at maximum power, a search was initiated for worst case emissions with the probe raised and lowered over a range of 0.2 to 2 meters in height and over a horizontal plane of 0 o to 360 o . 7. Average values were calculated for the whole body (0.2-2.0m), lower body (0.2-0.8m) and upper body (1.0-2.0m). Results: Attached. FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 6 of 9. TEST SETUP: Maximum Permissible Exposure (MPE) STATE: FCC ID: K66GX1280S MFA p0340003, d0340021 PAGE NO. 7 of 9. Name of test: R.F. Radiation Exposure FCC Rules: 1.1307, 1.1310, 1.1311, 2.1091 Description, EUT: See page 2 of Test Report Test Frequency, MHz = 156.045 Antenna Gain = 0 dBi Antenna Model ¼ Wave Whip Rated Probe: Narda 8761D Probe = 10 μW/cm 2 to 20 mW/cm 2 …

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FCC ID: K66GX1280S MFA p0340003, d0340019 T R A N S M I T T E R C E R T I F I C A T I O N of FCC ID: K66GX1280S MODEL: GX1280S to FEDERAL COMMUNICATIONS COMMISSION Rule Part(s) 2.901, 80, Confidentiality DATE OF REPORT: April 16, 2003 ON THE BEHALF OF THE APPLICANT: Vertex Standard Co., Ltd. AT THE REQUEST OF: P.O. Received UPS 03/31/2003 Vertex Standard USA Inc. 10900 Walker Street Cypress, CA 90630 Attention of: Mikio Maruya, Executive Vice President (800) 255-9237; FAX: (800) 477-9237 (714) 827-7600; FAX: -8100 [email protected] SUPERVISED BY: Morton Flom, P. Eng. FCC ID: K66GX1280S MFA p0340003, d0340019 LIST OF EXHIBITS (FCC CERTIFICATION (TRANSMITTERS) - REVISED 9/28/98) APPLICANT: Vertex Standard Co., Ltd. FCC ID: K66GX1280S BY APPLICANT: 1. LETTER OF AUTHORIZATION x 2. IDENTIFICATION DRAWINGS, 2.1033(c)(11) x LABEL x LOCATION OF LABEL x COMPLIANCE STATEMENT x LOCATION OF COMPLIANCE STATEMENT 3. PHOTOGR…

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