Standard Horizon Quest GX1255S Owner's Manual
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Standard Horizon Quest GX1255S Owner's Manual

25 watt vhf/fm marine transceiver
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See also: Service Manual
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RTCM SC-101 DSC Distress call with your exact posi-
tion when connected to a GPS
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Compact and Simple Operation
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3 year waterproof warranty
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Backlit Keypad and LCD displays latitude/longitude
when connected to a GPS
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Channel Name, GPS Time or GPS Position Repeating
shown on the display
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NOAA Weather Alert
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One-button access to Channel 16 and 9
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Access to all US, Canadian and International Channels
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Versatile User-programmable Scan, Priority Scan and
Dual Watch
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Microphone with Channel Slection.
GX1255S
QUEST GX1255S
25 Watt VHF/FM
Marine Transceiver
Owner's Manual

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Summary of Contents for Standard Horizon Quest GX1255S

  • Page 1 NOAA Weather Alert One-button access to Channel 16 and 9 Access to all US, Canadian and International Channels Versatile User-programmable Scan, Priority Scan and Dual Watch Microphone with Channel Slection. GX1255S QUEST GX1255S 25 Watt VHF/FM Marine Transceiver Owner's Manual...

  • Page 2: Table Of Contents

    6.5.1 Receiving a distress call ... 24 6.5.2 Receiving a distress relay call ... 24 6.5.3 Receiving an all ships call ... 25 6.5.4 Receiving a geographical area call ... 25 6.5.5 Receiving an individual call ... 26 6.5.6 Receiving a position request ... 27 GX1255S...
  • Page 3 9.1 REPLACEMENT PARTS ... 43 9.2 FACTORY SERVICE ... 44 9.3 TROUBLESHOOTING CHART ... 45 9.4 CONNECTION OF GPS WITH NMEA OUTPUT ... 46 10 CHANNEL ASSIGNMENTS ... 47 11 WARRANTY ... 51 12 SPECIFICATIONS ... 55 GX1255S Page 1...

  • Page 4: Safety/Warning Information

    PRODUCT SUPPORT INQUIRIES If you have any questions or comments regarding the use of the QUEST, 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. Page 2...

  • Page 5: Fcc Radio License Information

    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-...

  • Page 6: Fcc 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. 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.

  • Page 7: General Information

    1.1 INTRODUCTION The STANDARD HORIZON QUEST is a VHF/FM transceiver designed for use in the frequency range of 156.025 to 163.275 MHz. The GX1255S re- quires 13.8V for operation and has a switchable RF output power of 1 watt or 25 watts.

  • Page 8: Accessories

    2 ACCESSORIES 2.1 PACKING LIST When the package containing the transceiver is first opened, please check it for the following contents: • GX1255S QUEST Transceiver (with White/Black Microphone) • Mounting Bracket (with attaching hardware and hanger kit) • Owner’s Manual •...

  • Page 9: Installation

    3. If an optional remote extension speaker is to be used, refer to section 4.3 for connections. 4. It is advisable to have a Certified Marine Technician check the power output and the standing wave ratio of the antenna after installation. GX1255S CAUTION Optional Speaker Fuse...

  • Page 10: Accessory Cable

    Green Blue Brown Shield White Connection Examples Connect to external 4 Ohm audio speaker Connect to external 4 Ohm audio speaker Connect to NMEA (–) connection of GPS Connect to NMEA ( + ) output of GPS External Speaker GX1255S...

  • Page 11: Optional Cmb16 Flush Mount Installation

    (see Figure 2). 5. Turn the adjusting screw to adjust the tension so that the transceiver is tight against the mounting surface. Bracket Lock-washer nut combination Figure 2. CMB16 Flush Mount Instllation GX1255S Adjusting Screw Page 9...

  • Page 12: Controls And Indicators

    Immediately recalls channel 16 from any channel location. Holding down this key recalls channel 9. Pressing the 16/9 key again reverts to the previous selected working channel. Secondary use Please see secondary use for the WX key. Page 10 NOTE NOTE GX1255S...
  • Page 13 Figure 3. Controls and Connectors GX1255S Page 11...
  • Page 14 UP or DOWN key on radio are pressed, the radio will show the chan- nels programmed in scan memory. This function will not work if the unit is scanning. NOTE: The priority channel is channel 16 only. Page 12 GX1255S...
  • Page 15 The UP and DOWN keys are used to select a desired channel and to select items in the DSC OPERATION and SETUP menus. The UP or DOWN key on the microphone can also be used to select channels. GX1255S Page 13...
  • Page 16 UP and DOWN key on the front panel of the transceiver. 16/9 Key Pressing the 16/9 key Immediately recalls channel 16 from any location. Press and hold the 16/9 key to recall channel 9. Pressing the 16/9 key again revert the radio to the previous select channel. Page 14 GX1255S...

  • Page 17: Basic Operation

    The transceiver will automatically go to receive mode, even if the PTT switch is continually held down. Before trans- mitting again, the PTT switch must first be released and then pressed again. GX1255S NOTE Page 15...

  • Page 18: Simplex/Duplex Channel Use

    2. Press the UP or DOWN key on the microphone or on front panel to select a different NOAA weather channel. 3. To exit from the NOAA weather channels, press the WX key. The trans- ceiver returns to the channel it was on prior to a weather channel. Page 16 NOTE GX1255S...

  • Page 19: Noaa Weather Alert

    If the WX key is not pressed the alert tone will be emitted for 5 minutes and then the weather report will be received. The Weather Aleart feature is also engaged while the transceiver is received on the one of the NOAA weather channel. GX1255S NOTE NOTE Page 17...

  • Page 20: Memory Scanning (M-Scan)

    Triple watch (T/W) means the radio is watching CH70 for DSC Calls. Dual watch (D/W) means the radio is not watching CH70 for DSC Calls. Page 18 NOTE ø CH. 70 MEM CH. NOTE ø CH. 16 CH. 70 GX1255S...

  • Page 21: Position Indication

    • Channel 16 will be selected when the transceiver is turned on. • WX channel 01 will be recalled when the WX key is pressed. • Key beep will be on. Resetting the microprocessor will not erase DSC MMSI and Directory information. GX1255S (Latitude) NOTE NOTE (Longitude)

  • Page 22: Digital Selective Calling

    INPUT). How can I obtain a MMSI assignment? Contact your dealer, or Standard Horizon for details. This radio is designed to generate a digital maritime distress and safety call 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 channel 70 distress and safety watch system.

  • Page 23: Sending A Distress Call

    16 is automatically selected. 8. To cancel the alarm, press any key. When a GPS receiver with NMEA output is connected, the vessel’s po- sition is automatically transmitted with the distress call. GX1255S NOTE Page 21...

  • Page 24: Sending An Individual Call

    9. When an individual call acknowledgment “able to comply” is received, the established channel is automatically selected and an alarm sounds. 10. When an individual call acknowledgment with “unable to comply” is re- ceived, the established channel is automatically selected. Page 22 GX1255S...

  • Page 25: Sending An All Ships Call

    1. 7. After the ALL SHIPS CALL is transmitted, the transceiver will wait on CH16 except when a ROUTINE. Call has been transmited. GX1255S Page 23...

  • Page 26: Receiving Dsc Calls

    3. Press the DOWN key to appear the receiving distress data (MMSI or Station Name). You must continue monitoring channel 16 as a coast station may re- quire assistance in any rescue attempt. Page 24 NOTE • TIME (UTC) • Longitude NOTE NOTE GX1255S...

  • Page 27: Receiving An All Ships Call

    3. Press the UP or DOWN key to select the receiving dis- tress data: • MMSI or Station Name 4. Monitor the traffic channel for an announcement from the calling ship. This feature is only available when a GPS receiver is connected. GX1255S NOTE Page 25...

  • Page 28: Receiving An Individual Call

    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. Page 26 GX1255S...

  • Page 29: Receiving A Position Request

    3. Select type of reply function ABLE or EXIT by using the UP or DOWN key. 4. When ABLE is selected, press the CALL/SET key. And the requested position coordinates will be transmitted. 5. To exit from position request display, press any key. GX1255S Page 27...

  • Page 30: Dsc / Radio Setup Mode

    5. Press the CALL/SET key to store the selected level. 6. Press the DOWN key to select “EXIT,” then press the CALL/SET key. 7. Press the DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. Page 28 GX1255S...

  • Page 31: Key Beep (On Or Off)

    5. Press the CALL/SET key to store the selected setting. 6. Press the DOWN key to select “EXIT,” then press the CALL/SET key. 6. Press the DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. GX1255S Page 29...

  • Page 32: Channel Name Change

    8. Press and hold the CALL/SET key to store the new name. 9. Press the DOWN key to select “EXIT,” then press the CALL/SET key. 10. Press the DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. Page 30 GX1255S...

  • Page 33: Time Offset

    7. Press the DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. During Daylight Saving time subtract 1 hour from the offset shown above and enter this offset in step 4 above. GX1255S OFFSET TIME TABLE NOTE Page 31...

  • Page 34: Individual Directory Setup (Dsc)

    11. Press and hold the CALL/SET key to store the MMSI ID code. 12. Press the DOWN key to select “EXIT,” then press the CALL/SET key. 13. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. Page 32 GX1255S...

  • Page 35: Individual Reply

    6. Press the CALL/SET key to store the selected setting. 7. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key. 8. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. GX1255S Page 33...

  • Page 36: Individual Ring

    6. Press the CALL/SET key to store the selected setting. 7. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key. 8. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. Page 34 GX1255S...

  • Page 37: Dsc Scanning

    6. Press the CALL/SET key to store the selected setting. 7. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key. 8. Press the UP or DOWN key to select “EXIT,” then press the CALL/SET key to return to the normal operation. GX1255S Page 35...

  • Page 38: User Mmsi Input

    If the user MMSI is enabled more than 2 times, the LCD will show “ER- ROR TOO MANY ENTRIES.” The radio will have to be sent back to Standard Horizon factory Service in order to be able to program in an- other MMSI.

  • Page 39: Operating Practices

    U.S. waters by using channel 9 as the initial contact (hailing) channel for non-emergency communications. Here, also, calling time should not exceed 30 seconds but may be repeated 3 times at 2-minute intervals. GX1255S ” (your vessel’s name). ” (your vessel’s name).

  • Page 40: Making Telephone Calls

    The marine telephone company managing the VHF channel you are using may charge a link-up fee in addition to the cost of the call. Page 38 GX1255S...

  • Page 41: Operating On Channels 13 And 67

    In order to test this system, the NOAA broadcasts the 1050 Hz tone every Wednesday, sometime between 11 AM and 1 PM. Any marine VHF radio that can detect the weather alert tone, may use this test to verify that this feature is functioning properly. GX1255S Page 39...

  • Page 42: Digital Selective Calling (Dsc)

    8.9.1 Distress Call Transmits a DSC Distress message to all radios equipped to receive a DSC Distress call. Some Standard Horizon radios may be connected to a GPS to also transmit the Latitude, Longitude of the vessel. 8.9.2 Individual Call This feature allows the user to contact another vessel capable of using DSC and automatically switch the radio to a desired working channel.

  • Page 43: Safety Call

    Typically a 3 foot 3dB gain stainless steel whip is used on a sailboat mast. The longer 8 foot 6dB fiberglass whip is primarily used on power boats that require the additional gain. GX1255S Page 41...

  • Page 44: Coaxial Cable

    You can do this if you follow the directions that come with the connector. Be sure to make good soldered connections. Page 42 1/16'' 3/4'' Adapter 3/4'' 1/8'' 3/8'' 5/8'' GX1255S...

  • Page 45: Maintenance

    Ensure that the supply voltage to the transceiver does not exceed 16 VDC or fall below 11 VDC. • Use only STANDARD HORIZON-approved accessories and replacement parts. In the unlikely event of serious problems, please contact your Dealer or our repair facility.

  • Page 46: Factory Service

    9.2 FACTORY SERVICE In the unlikely event that the radio fails to perform or needs servicing, please contact the following: Standard Horizon Factory Service 115 North Wright Brothers Drive Salt Lake City, UT 84116-2838 Telephone (800) 366-4566 Fax No. (801) 359-4122 An “RA”...

  • Page 47: Troubleshooting Chart

    Your position is not External cable. displayed. Setting of the GPS navigation receiver. GX1255S TROBLESHOOTING CHART REMEDY Rotate the VOL/PWR knob clock- wise to turn on the transceiver. Check the power cable for DC volt- age, or replace the fuse (6A 250V).

  • Page 48: Connection Of Gps With Nmea Output

    9.4 CONNECTION OF GPS WITH NMEA OUTPUT Manufacturer/Model Wires STANDARD HORIZON Green CP150, CP160 and Brown CP-170C Furuno GP30, 36 White Blue Furuno GP1650, 1850 White Black Garmin Fixed Mounts Blue Black (GND) Garmin Portables Brown Black (GND) JRC GPS500...

  • Page 49: Channel Assignments

    And you still must release the push-to-talk switch after each transmission in order to listen to the radio. GX1255S Page 47...
  • Page 50 State Controlled ( 1 W ) Commercial US: Commercial Coast Guard International: port operations and shipment Port operation U.S. Government Only, Canadian Coast Guard US and Canadian Coast Guard Liaison and Maritime Safety Information Broadcasts announced on channel 16 GX1255S...
  • Page 51 156.825 156.875 156.875 156.925 161.525 Public Correspondence ( Marine Operator ) , 78A X X 156.925 GX1255S VHF MARINE CHANNEL CHART CHANNEL USE U.S. Government Only Port operation, ship movement U.S. Govermrnt Only, Canadian Coast Guard-Pacific Coast, Commercial Fishing-East Coast Port operation, ship movement Public Coast: Coast Guard;...
  • Page 52 162.425 Weather ( receive only ) 162.450 Weather ( receive only ) 162.500 Weather ( receive only ) 162.525 Weather ( receive only ) 161.650 Weather ( receive only ) 161.775 Weather ( receive only ) 163.275 Weather ( receive only ) GX1255S...

  • Page 53: Warranty

    VERTEX STANDARD), 115 North Wright Brothers Dr, Salt Lake City, Utah 84116-2838. Include proof of purchase indicating model. serial number, and date of purchase. STANDARD HORIZON will return the Product to the pur- chaser freight prepaid. Products purchased prior to January 1, 1991 will bear the STANDARD HORIZON warranty terms in effect prior to that date.
  • Page 54 This warranty only extends to Products sold within the 50 States of the United States of America and the District of Columbia. STANDARD HORIZON will pay all labor to repair the product and replace- ment parts charges incurred in providing the warranty service except where purchaser abuse or other qualifying exceptions exist.
  • Page 55 This warranty gives spe- cific legal rights, and there may be other rights which may vary from state to state. ONLY PRODUCTS SOLD ON OR AFTER JANUARY 1, 1991 ARE COV- ERED UNDER THE TERMS OF THIS LIMITED WARRANTY. GX1255S Page 53...
  • Page 56 Product Support Inquiries If you have any questions or comments regarding the use of the QUEST, you can visit the STANDARD HORIZON Web site to send an E-Mail or con- tact the Product Support team at (714) 827-7600 or (800) 767-2450 M-F 7:00-5:00PST.

  • Page 57: Specifications

    Frequency Stability (-20°C to +50°C) ... ±0.0005 % Channel Spacing ... 25 kHz DSC Format ... RTCMSC101 GX1255S (64 H x 160 W x 160 D mm) (50 H x 136 W x 130 D mm) pre-emphasis characteristic at 300 to 3000 Hz...
  • Page 58 MEMO Page 56 GX1255S...
  • Page 59 MEMO GX1255S Page 57...
  • Page 60 Marine Division of VERTEX STANDARD US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. WWW. standardhorizon.com 0206u-0K Copyright 2002 VERTEX STANDARD CO., LTD. All rights reserved. No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO., LTD. GX1255S...

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