Standard Horizon GX1280S - Manual

GX1280S Page 6 FCC NOTICE NOTICE Unauthorized changes or modifications to this equipment may void com-pliance with FCC Rules. Any change or modification must be approvedin writing by STANDARD HORIZON. NOTICE This equipment has been tested and found to comply with the limits fora Class B digital devi...

GX1280S Page 7 GETTING STARTED ABOUT VHF RADIO The radio frequencies used in the VHF marine band lie between 156 and158 MHz with some shore stations available between 161 and 163 MHz.The marine VHF band provides communications over distances that areessentially “line of sight” (VHF signals do not tr...

GX1280S Page 8 COAXIAL CABLE VHF antennas are connected to the transceiver by means of a coaxial cable– a shielded transmission line. Coaxial cable is specified by it’s diameterand construction. For runs less than 20 feet, RG-58/U, about 1/4 inch in diameter is a goodchoice. For runs over 20 feet bu...

GX1280S Page 9 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 can be operated from 11 to 16 VDC and has a switchable RF output power of 1 wattor 25 watts. The MATRIX is capable o...

GX1280S Page 10 2 PACKING LIST When the package containing the transceiver is first opened, please checkit for the following contents: GX1280S MATRIX Transceiver (White/Black) Mounting Bracket and attaching hardware Owner ’s Manual Quick-Reference Card Power Cord Dust Cover 3 OPTIONS MMB-84 ...........

GX1280S Page 11 4 INSTALLATION 4.1 LOCATION The radio can be mounted at any angle. Choose a mounting location that: • is far enough from any compass to avoid any deviation in compass reading due to the speaker magnet • provides accessibility to the front panel controls• allows connection to a power ...

GX1280S Page 13 4.4 CONNECTION OF GPS WITH NMEA OUTPUT Additional Information: • The GPS must have the NMEA Output turned on and set to 4800 Baudin the setup menu. If there is a selection for parity select none. • For further information on interfacing /setting up your GPS. Please con-tact the manuf...

GX1280S Page 15 4.7 CHANGING COG TO TRUE OR MAGNETIC Allows customizing the NAV data showing GPS Course Over Ground (COG).Factory default is True however following the steps below the COG can bechanged to Magnetic. 1. Press and hold down the [ CALL/SET ] key until “RADIO SETUP” menu appears. 2. Pres...

GX1280S Page 16 4.8 OPTIONAL MMB-84 FLUSH MOUNT INSTALLATION 1. Make a rectangular template for the flush mount measuring 2-5/8” H x 6-5/8” W. 2. Use the template to mark the location where the rectangular hole is to be cut. Confirm the space behind the dash or panel is deep enough to ac-commodate t...

GX1280S Page 17 4.9 OPTIONAL CMP25 RAM+ MIC INSTALLATION 1. Connect the RAM+ MIC Cable to the RAM MIC CONNECTOR on the rear panel, then tighten the Cable Nut (See Figure 3). 2. Referring to Figure 3, make a 1.2” (30 mm) hole in the wall, then insert the RAM+ MIC Cable into this hole. Connect the Gas...

GX1280S Page 18 5 CONTROLS AND INDICATORS NOTE This section defines each control of the transceiver. See Figure 4 forlocation of controls. For detailed operating instructions refer to chapter6 of this manual. 5.1 CONTROLS AND CONNECTIONS POWER SWITCH/VOLUME CONTROL Turns the transceiver on and off a...

GX1280S Page 19 16/9 WX SCAN H/L CALL SET SQL VOL/PWR DISTRESS IC MEM U.I.C MENU PULL OPEN NAV DW MATRIX Figure 4. Controls and Connectors

GX1280S Page 23 6 BASIC OPERATION 6.1 RECEPTION 1. After the transceiver has been installed, ensure that the power supply and antenna are properly connected. 2. Press and hold the VOL/PWR knob until the radio turns on. 3. Turn the SQL knob fully counterclockwise. This state is known as “squelch off”...

GX1280S Page 24 6.4 SIMPLEX/DUPLEX CHANNEL USE Refer to the VHF MARINE CHANNEL CHART (page 63) for instructions onuse of simplex and duplex channels. NOTE All channels are factory-programmed in accordance with FCC (USA),Industry Canada (Canada), and International regulations. Mode of op-eration cann...

GX1280S Page 27 some of the channels available to non-commercial (recreational) boaters.Monitor your desired channel in advance to make sure you will not be inter-rupting other traffic, and then go back to either channel 16 or 9 for your initialcontact. When the hailing channel (16 or 9) is clear, s...

GX1280S Page 28 By regulation, power is normally limited to 1 Watt on these channels. Yourradio is programmed to automatically reduce power to this limit on thesechannels. However, in certain situations it may be necessary to temporarilyuse a higher power. See page 20 (H/L key) for means to temporar...

GX1280S Page 29 5. To start scanning, press the [ SCAN ] key. Scan- ning will proceed from the lowest to the highestprogrammed channel number and will stop on achannel when a transmission is received. 6. The channel number will blink during reception.7. To stop scanning, press the [ SCAN ], [ 16/9 ]...

GX1280S Page 30 6.18 VOICE SCRAMBLER If privacy of communications is desired, a CVS2500 voice scrambler (VS) can be installed in the transceiver. Contact your Dealer to have a CVS2500 installed. Refer to the section 8.9 VOICE SCRAMBLER to program the voicescrambler. 1. Turn on the transceiver.2. Sel...

GX1280S Page 31 7 DIGITAL SELECTIVE CALLING 7.1 GENERAL WARNING This radio is designed to generate a digital maritime distress and safetycall to facilitate search and rescue. To be effective as a safety device,this equipment must be used only within communication range of a shore-based VHF marine ch...

GX1280S Page 41 7.8 ADVANCED DSC CALLS 7.8.1 Group Call This feature allows the user to contact a group of specific vessels (examplemembers of a yacht club) using DSC radios with Group call function to auto-matically switch to a desired channel for voice communications. 7.8.1.1 Setup a Group Call Fo...

GX1280S Page 48 8 RADIO SETUP NOTE The optional RAM+ MIC CMP25 can be also change the SETUP menu.Refer to page 54 for details. 8.1 LAMP ADJUSTING Allows setting up the backlight intensity or to turn it off. 1. Press and hold down the [ CALL/SET ] key until “RADIO SETUP” menu appears. 2. Press the [ ...

GX1280S Page 51 8.6 VOICE SCRAMBLER (Operates only when the optional CVS2500 is installed) This menu is used to setup the channels to be scrambled and the scramblercode. NOTE This menu will not appear unless a CVS2500 is installed. 1. Press and hold down the [ CALL/SET ] key until “RADIO SETUP” menu...

GX1280S Page 53 8.8 TRUE MAGNETIC CHANGE ( NAV display ) Allows customizing the GPS COG (Course Over Ground) displayed on theLCD to be in True or Magnetic. 1. Press and hold down the [ CALL/SET ] key until “RADIO SETUP” menu appear. 2. Press the [ CALL/SET ] key, then select “TRUE MAG” in the “RADIO...

GX1280S Page 54 9 RAM+ MIC OPERATION If the enhanced optional RAM+ Mic ( CMP25 ) is connected to the remote microphone connector on the transceiver ’s rear panel, the transceiver canuse the remote control operation except for a few functions. The RAM+ Micsupplied with 23 feet (7 m) of routing cable ...

GX1280S Page 57 will appear on the LCD. After the message has beensent, the radio will sound a Distress Alarm. 4. The transceiver “shadow-watches” for a transmission on CH16 or CH70 until an acknowledgment signal isreceived. “DISTRESS” and “WAITING” will appear onthe LCD. 5. If an acknowledgement is...

GX1280S Page 59 10 MAINTENANCE The inherent quality of the solid-state components used in this transceiverwill provide many years of continuous use. Taking the following precautionswill prevent damage to the transceiver. • Keep the microphone connected or the jack covered at all times to pre-vent co...

GX1280S Page 60 10.2 FACTORY SERVICE In the unlikely event that the radio fails to perform or needs servicing,please contact the following: Standard HorizonAttention Marine Repair Department 10900 Walker StreetCypress, CA 90630Telephone (800) 366-4566 An “RA” Return Authorization number is not neces...

GX1280S Page 61 10.3 TROUBLESHOOTING CHART SYMPTON Tr a n s c e i v e r f a i l s t opower up. T r a n s c e i v e r b l o w sfuse when connectedto power supply. P o p p i n g o r w h i n i n gn o i s e f r o m t h espeaker while engineruns. Sound is not emittedf r o m t h e e x t e r n a lspeaker. ...

GX1280S Page 62 11. CHANNEL ASSIGNMENTS Tables on the following columns list the VHF Marine Channel assignmentsfor U.S.A. and International use. Below are listed some data about the charts. 1. VTS. Where indicated, these channels are part of the U.S. Coast Guard’s V essel T raffic S ystem. 2. Alpha ...

GX1280S Page 71 ON-LINE WARRANTY REGISTRATION THANK YOU for buying STANDARD HORIZON (a division of Vertex Stan-dard) products! We are confident your new radio will serve your needs formany years! Please visit www.standardhorizon.com to register the MATRIX Marine VHF. It should be noted that visiting...

GX1280S Page 72 13 SPECIFICATIONS Performance specifications are nominal, unless otherwise indicated, andare subject to change without notice. 13.1 GENERAL Channels ............................................ All USA, International and CanadianInput Voltage ............................................

GX1280S Page 74 Copyright 2003VERTEX STANDARD CO., LTD.All rights reserved. No portion of this manualmay be reproducedwithout the permission ofVERTEX STANDARD CO., LTD. 0306R-0Y Marine Division of VERTEX STANDARD US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. WWW. standardhorizon.com...