Instruction/ maintenance manual of the product GX1256S Standard Horizon
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GX1256S Page 1 Compact and Simple Operation Capable of connecting an optional enhanced RAM+ second st a- tion remote microphone RTCM SC-101 DSC Distress call with your exact position .
GX1256S Page 2 T ABLE OF CONTENTS SAFETY/W ARNING INFORMA TION .......................................................... 4 FCC RADIO LICENSE INFORMA TION ...................................................... 5 ST A TION LICENSE .....................
GX1256S Page 3 7 DIGIT AL SELECTIVE CALLING ........................................................ 29 7.1 GENERAL ................................................................................................................... ............... 29 7.
GX1256S Page 4 SAFETY / W ARNING INFORMA TION 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 byst anders by maintaining the minimum separation distance of 0.
GX1256S Page 5 FCC RADIO LICENSE INFORMA TION S tandard Horizon radios comply with the Federal Communication Commis- sion (FCC) requirements that regulate the Maritime Radio Service. ST A TION LICENSE An FCC ship station license is no longer required for any vessel traveling in U.
GX1256S 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 approved in writing by ST ANDARD 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.
GX1256S Page 7 GETTING ST ARTED ABOUT VHF RADIO The radio frequencies used in the VHF marine band lie between 156 and 158 MHz with some shore stations available between 161 and 163 MHz.
GX1256S 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 diameter and construction. For runs less than 20 feet, RG-58/U, about 1/4 inch in diameter is a good choice.
GX1256S Page 9 1 GENERAL INFORMA TION The ST ANDARD HORIZON QUEST+ is a VHF/FM transceiver designed for use in the frequency range of 156.025 to 163.275 MHz. The GX1256S re- quires 13.8V for operation and has a switchable RF output power of 1 watt or 25 watts.
GX1256S Page 10 2 P ACKING LIST When the package containing the transceiver is first opened, please check it for the following contents: • GX1256S QUEST+ T ransceiver (with White/Black Microphone) .
GX1256S Page 11 4 INST ALLA TION 4.1 LOCA TION The radio can be mounted at any angle. Choose a mounting location that: • is far enough from any comp ass to avoid any deviation in compass reading due.
GX1256S Page 12 4.3 ACCESSORY CABLE White : External speaker (+) Shield : External speaker (–) Blue : NMEA IN (+) from GPS navigation receiver Green : NMEA common Gray : NMEA OUT (+) to GPS navigati.
GX1256S 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 Baud in the setup menu. If there is a selection for parity select none. • For further information on interfacing /setting up your GPS.
GX1256S Page 14 4.6 OPTIONAL MMB-84 FLUSH MOUNT INST ALLA TION 1. Make a rectangular template for the flush mount measuring 2” H x 5-5/16” 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 the transceiver (at least 6 inches deep).
GX1256S Page 15 4.7 OPTIONAL CMP25 RAM+ MIC INST ALLA TION 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.
GX1256S Page 16 5 CONTROLS AND INDICA TOR S NOTE This section defines each control of the transceiver . See Figure 4 for location of controls. For detailed operating instructions refer to chapter 6 of this manual. 5.1 CONTROLS AND CONNECTIONS POWER SWITCH/VOLUME CONTROL T urns the transceiver on and off as well as adjusts the audio volume.
GX1256S Page 17 Figure 4. Controls and Connectors.
GX1256S Page 18 [ WX ] Key Immediately recalls the previously selected NOAA weather channel from any channel location. Secondary use 1. Holding down the [ 16/9 ] key while pressing the [ WX ] key changes the mode from USA to International or Canadian.
GX1256S Page 19 [ CALL/SET ( MENU )] Key The [ CALL/SET ( MENU )] key functions as the enter key . Secondary use Press the [ CALL/SET ( MENU )] key to access the DSC OPERA TION menu. The INDIVIDUAL and ALL SHIPS CALLS functions can be ac- cessed from the DSC OPERA TION menu.
GX1256S Page 20 RAM MIC CONNECTOR Connects the QUEST+ to the enhanced RAM+ MIC (Remote Access Microphone). Refer to section 9 RAM+ MIC OPERA TION. ACCESSOR Y CONNECTION CABLE Connects the radio to a GPS, and an external speaker . DC INPUT CABLE Connects the radio to a DC power supply of 13.
GX1256S Page 21 6 BASIC OPERA TION 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.
GX1256S Page 22 6.4 SIMPLEX/DUPLEX CHANNEL USE Refer to the VHF MARINE CHANNEL CHART (p age 60) for instructions on use of simplex and duplex channels. NOTE All channels are factory-programmed in accordance with FCC (USA), Industry Canada (Canada), and International regulations.
GX1256S Page 23 6.7 NOAA WEA THER ALERT In the event of extreme weather disturbances, such as storms and hurri- canes, the NOAA (National Oceanic and Atmospheric Administration) sends a weather alert accompanied by a 1050 Hz tone and subsequent weather report on one of the NOAA weather channels.
GX1256S Page 24 6.9 EMERGENCY ( CHANNEL 16 USE ) Channel 16 is known as the Hail and Distress Channel. An emergency may be defined as a threat to life or property . In such instances, be sure the transceiver is on and set to CHANNEL 16. Then use the following procedure: 1.
GX1256S Page 25 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 initial contact.
GX1256S Page 26 radio is programmed to automatically reduce power to this limit on these channels. However , in certain situations it may be necessary to temporarily use a higher power . See page 18 ( [ H/L ( POS )] key) for means to temporarily override the low-power limit on these two channels.
GX1256S Page 27 (Latitude) (Longitude) (No GPS Signal) 6. The channel number will blink during reception. 7. T o stop scanning, press the [ SCAN ( MEM )] , [ 16/9 ] , [ WX ] , or PTT key . 6.16 PRIORITY SCANNING ( P-SCAN ) 1. The priority channel is set to channel 16.
GX1256S Page 28 6.18 TIME INDICA TION Press and hold the [ 16/9 ] and [ H/L ( POS )] keys while turn- ing the transceiver on, the transceiver will display the TIME on the upper side, if connected to a GPS receiver . NOTE The TIME OFFSET should be set to local time in the DSC/RADIO setup mode when the radio is connected the GPS navigation receiver .
GX1256S Page 29 7 DIGIT AL SELECTIVE CALLING 7.1 GENERAL W ARNING This radio is designed to generate a digital maritime distress and safety call to facilitate search and rescue. T o be effective as a safety device, this equipment must be used only within communication range of a shore- based VHF marine channel 70 distress and safety watch system.
GX1256S Page 30 7.2 DSC SCAN When the radio is shipped from the factory it is programmed so CH70 (the DSC channel) is scanned at all times. There is a selection in the SETUP MENU to disable the DSC SCAN. However , turning off DSC SCAN will dis- able the radio from receiving DSC calls i.
GX1256S Page 31 7.3 USCG DSC W A TCH The USCG has plans to upgrade its VHF National Distress System (expected by 2005), so at the time of printing only larger vessels that are required to carry VHF DSC radios will be able to hear your distress transmission.
GX1256S Page 32 7. Press the [ DOWN ] key to select “EXIT ,” then press the [ CALL/SET ( MENU )] key . 8. Press the [ UP ] or [ DOWN ] key to select “EXIT ,” then press the [ CALL/SET ( MENU )] key to return to the nor- mal operation.
GX1256S Page 33 5. If no acknowledgment is received, the distress call is repeated in 3.5 to 4.5 minute intervals until an acknowledgment is received. 6.
GX1256S Page 34 7.5.3 Receiving a distress relay call 1. A distress relay call is received. “RECEIVED RL Y” will appear on the LCD, and an emergency alarm will be heard. Channel 16 is automatically selected. 2. Press any key to stop the alarm. 3. Press the [ DOWN ] key to appear the receiving distress data (MMSI or S tation Name).
GX1256S Page 35 7.6.2 Receiving An All Ship s Call 1. An all ships call is received. “RECEIVED ALL SHIPS” will appear on the LCD, and an emergency alarm will be heard. Channel 16 is automatically selected. 2. Press any key to stop the alarm. 3. Press the [ UP ] or [ DOWN ] key to select the receiving distress data: • MMSI or S t ation Name 4.
GX1256S Page 36 key to move to next character . 7. Repeat step 6 as many times as necessary to complete the S tation Name (up to 12 characters). 8. Press and hold the [ CALL/SET ( MENU )] key to store the S tation Name and enable setting the MMSI ID code.
GX1256S Page 37 press the [ CALL/SET ( MENU )] key . 8. Press the [ UP ] or [ DOWN ] key to select “EXIT ,” then press the [ CALL/SET ( MENU )] key to return to the nor- mal operation. 7.7.3 Setting up Individual Call Ringer When a Individual call is received the radio will produce a ringing tone for 3 minutes.
GX1256S Page 38 tact. 5. T o cancel, if needed, press the [ UP ] or [ DOWN ] key un- til the “EXIT” icon appear . Then press the [ CALL/ SET ( MENU )] key . This procedure can be also canceled by pressing the WX or 16/9 key . 6. Press the [ CALL/SET ( MENU )] key to transmit the individual DSC signal.
GX1256S Page 39 3. Select type of reply function “ABLE” or “UNABLE” by using the [ UP ] or [ DOWN ] key . In the Automatic mode , the acknowledgment is transmitted automatically . 4. Press the PTT on the microphone and talk to the calling ship.
GX1256S Page 40 7.8 ADV ANCED DSC CALLS 7.8.1 Group Call This feature allows the user to contact a group of specific vessels (example members of a yacht club) using DSC radios with Group call function to auto- matically switch to a desired channel for voice communications.
GX1256S Page 41 ber) number entry . 10. Press the [ UP ] or [ DOWN ] key to scroll through num- bers, 0-9. 1 1. T o enter the desired number and move one space to the right press the [ CALL/SET ( MENU )] key . Repeat pro- cedure until all nine spaces of MMSI number are en- tered.
GX1256S Page 42 7.8.1.3 Receiving a Group Call 1. When a group call is received, the QUEST+ will produce a ringing alarm sound. 2. The radio automatically switches to the requested channel. 3. Press any key to stop the alarm. 4. Monitor the channel for the person calling the Group for a message.
GX1256S Page 43 7.8.2.1 Setting up Position Reply The QUEST+ can be set up to automatically or manually send your position to another vessel. This selection is important if you are concerned about someone polling the position of your vessel that you may not want to.
GX1256S Page 44 ceiver remains on channel 70 until position data is re- ceived from the polled vessel. 7. When the QUEST+ receives the position from the polled vessel it is shown on the radio display and also trans- ferred to the GPS Chart plotter . 8.
GX1256S Page 45 7.8.3 Position Send The feature is similar to Position Request, however instead of requesting a position of another vessel this function allows you to send your position to another vessel. Y our vessel must have an operating GPS receiver connected for the QUEST+ to send the position.
GX1256S Page 46 7.8.4 Receiving a geographical area call 1. When a geographical call is received, “RECEIVED GEO- GRAPHIC” will appear on the LCD, and an emergency alarm will be heard (different from DISTRESS). Then the requested channel from the other ship is automati- cally selected.
GX1256S Page 47 8. RADIO SETUP MODE 8.1 LAMP ADJUSTING 1. Press and hold down the [ CALL/SET ( MENU )] key until “RADIO SETUP” appears. 2. Press the [ CALL/SET ( MENU )] key to select “LAMP .” 3. Press the [ CALL/SET ( MENU )] key to enable adjusting this item (The number in the display will flash).
GX1256S Page 48 8.3 KEY BEEP ( ON or OFF ) 1. Press and hold down the [ CALL/SET ( MENU )] key until “RADIO SETUP” appears. 2 . Press the [ CALL/SET ( MENU )] key , then press the [ DOWN ] key to select “KEY BEEP .” 3. Press the [ CALL/SET ( MENU )] key to enable adjusting this item (The number in the display will flash).
GX1256S Page 49 8.5 CHANNEL NAME CHANGE 1. Press and hold down the [ CALL/SET ( MENU )] key until “RADIO SETUP” appears. 2 . Press the [ CALL/SET ( MENU )] key , then press the [ DOWN ] key to select “CH NAME.
GX1256S Page 50 8.6 TIME OFFSET Sets the time difference between local time and UTC (Universal Time Coor- dinated or GMT Greenwich Mean T ime). T ime is displayed if the QUEST+ is connected to a GPS receiver . 1. Press and hold down the [ CALL/SET ( MENU )] key until “RADIO SETUP” appears.
GX1256S Page 51 9 RAM+ MIC OPERA TION If the enhanced optional RAM+ Mic ( CMP25 ) is connected to the remote microphone connector on the transceiver ’s rear panel, the transceiver can use the remote control operation except for a few functions.
GX1256S Page 52 VOLUME KEY ( VOL ) Activates the volume adjusting mode. Press this key to activate the volume adjusting mode. Press the microphone’s [ ] or [ ] to adjust the volume. POWER SWITCH ( PWR ) Press and hold down this key to turn to the transceiver and RAM+ Mic on and off.
GX1256S Page 53 [ CALL/SET ] Key The [ CALL/SET ] key functions as the enter key . Secondary use Press the [ CALL/SET ] key to access the DSC OPERA TION menu. Press and hold the [ CALL/SET ] key to access the SETUP menu. [ DW ] Key W atches for a transmission on CH16 and another selected channel until either signal is received.
GX1256S Page 54 sent, the radio will sound a Distress Alarm. 4. The transceiver “shadow-watches” for a transmission on CH16 or CH70 until an acknowledgment signal is received. “DISTRESS” and “W AITING” will appear on the LCD. 5. If an acknowledgement is received, select channel 16 and advise your distress situation.
GX1256S Page 55 9.3 DSC/RADIO SETUP MODE The CMP25 can access the DSC / RADIO setup menu (refer to section 7 “DIGIT AL SELECTIVE CALLING” and section 8 “RADIO SETUP MODE” for details). However , the LAMP , CONTRAST , and KEY BEEP menu item which is accessed from the CMP25 only controls the CMP25 ’s display and speaker .
GX1256S Page 56 10 MAINTENANCE The inherent quality of the solid-state components used in this transceiver will provide many years of continuous use. T aking the following precautions will prevent damage to the transceiver .
GX1256S Page 57 10.2 F ACT OR Y SERVICE In the unlikely event that the radio fails to perform or needs servicing, please contact your Dealer or Marine Division of V ertex S tandard . An “RA” Return Authorization number is not necessary to send a product in for service.
GX1256S Page 58 10.3 TROUBLESHOOTING CHART PROBABLE CAUSE No DC voltage to the transceiver , or blown fuse. Reversed power wires. Engine noise. External cable. Antenna. The power supply volt- age is too high or too low . External cable. Setting of the GPS navigation receiver .
GX1256S Page 59 1 1. CHANNEL ASSIGNMENTS T ables on the following columns list the VHF Marine Channel assignments for 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.
GX1256S Page 60 5. Channels normally used by recreational boaters are those that include the term “non-commercial” in the Channel Use column of the chart. Some of these are shared with other users and some are used only in certain geographic regions.
GX1256S Page 61 VHF MARINE CHANNEL CHART CH U C I S/D TX RX CHANNEL USE 23 X X D 157.150 161.750 Public Correspondence ( Marine Operator ) 23A X S 157.150 U.S. Government Only 24 X X X D 157.200 161.800 Public Correspondence ( Marine Operator ) 25 X X X D 157.
GX1256S Page 62 VHF MARINE CHANNEL CHART CH U C I S/D TX RX CHANNEL USE 79 X D 156.975 161.575 Port operation and Ship movement 79A X X S 156.975 Commercial 80 X D 157.025 161.625 Port operation, ship movement 80A X X S 157.025 Commercial 81 X D 157.075 161.
GX1256S Page 63 Port Operations 01A 1 156.050 156.050 63A 1 156.175 156.175 05 2 156.250 156.250 65A 156.275 156.275 66A 156.325 156.325 12 3 156.600 156.600 73 156.675 156.675 14 3 156.700 156.700 74 156.725 156.725 77 4 156.875 Intership only . 20A 12 157.
GX1256S Page 64 4: Use of 156.875 MHz is limited to communications with pilots regarding the movement and docking of ships. Normal output power must not exceed 1 watt. 5: 156.375 MHz and 156.650 MHz are available primarily for intership navigational communications.
GX1256S Page 65 12. W ARRANTY Marine Products Limited W arranty ST ANDARD HORIZON (a division of VERTEX ST ANDARD) warrants, to the original purchaser only , each new Marine Communications Product (.
GX1256S Page 66 ZON, appear to be defective or not up to factory specifications. ST ANDARD HORIZON may , at it s option, repair or replace parts or subassemblies with new or reconditioned part s and subassemblies. Parts thus repaired or re- placed are warranted for the balance of the original applicable warranty .
GX1256S Page 67 TIES, EXPRESS OR IMPLIED AS T O THE MERCHANT ABILITY OR FIT - NESS FOR A P ARTICULAR PURPOSE OR OTHER WISE, EXCEPT AS EXPRESSL Y SET FORTH HEREIN.
GX1256S Page 68 ON-LINE W ARRANTY REGISTRA TION THANK YOU for buying ST ANDARD HORIZON (a division of V ertex S tandard) product s! We are confident your new radio will serve your needs for many years! Please visit www .standardhorizon.com to register the QUEST Ma- rine VHF .
GX1256S Page 69 13 SPECIFICA TIONS Performance specifications are nominal, unless otherwise indicated, and are subject to change without notice. 13.1 GENERAL Channels ............................................ All USA, International and Canadian Input V oltage .
GX1256S Page 70 MEMO.
GX1256S Page 71 MEMO.
GX1256S Page 72 Marine Division of VERTEX STANDARD US Headquarters 10900 Walker S treet, Cypress, CA 90630, U.S.A. ww w. standardhorizon.com Copyright 2004 VERTEX ST ANDARD CO., L TD. All rights reserved. No portion of this manual may be reproduced without the permission of VERTEX ST ANDARD CO.
An important point after buying a device Standard Horizon GX1256S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Standard Horizon GX1256S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Standard Horizon GX1256S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Standard Horizon GX1256S you will learn all the available features of the product, as well as information on its operation. The information that you get Standard Horizon GX1256S will certainly help you make a decision on the purchase.
If you already are a holder of Standard Horizon GX1256S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Standard Horizon GX1256S.
However, one of the most important roles played by the user manual is to help in solving problems with Standard Horizon GX1256S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Standard Horizon GX1256S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
