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EXPLORER NMEA2000 GPS
GX1850GPS GX1850GPS/E
EXPLORER NMEA2000
GX1850
EXPLORER GPS
GX1800GPS GX1800GPS/E
EXPLORER
GX1800
z International ITU-R M.493-13 Class D DSC (Digital Selective Calling)
(European Version: Meets ITU-R M.493-14)
z NMEA 2000 Compatible (GX1850GPS, GX1850GPS/E and GX1850 only)
z Input and Output of GPS information to NMEA 0183 compatible devices
z Integrated 66 Channel Internal GPS receiver (GX1850GPS, GX1850GPS/E,
GX1800GPS and GX1800GPS/E only)
z Automatic DSC polling of up to 6 ships GPS positions*
z Auto DSC channel selection & DSC test call
z GPS Compass Page*, Enter and Save Waypoints*, Navigate Routes to Locations*
z Automatic Distress Messaging*, MOB Report & Location*, MOB Location Navigation*
z Large Viewable Display, Easy to Mount, Submersible IPX8 (5 feet or 1.5 m for 30 minutes)
z Noise canceling microphone with channel change, 16/S and H/L key buttons
z SSM-70H Remote-Access RAM4 Microphone Second Station & Intercom
z ATIS Mode for European Inland Waterways (GX1850GPS/E and GX1800GPS/E only)
*External GPS device required for GX1850 and GX1800.
Owner's Manual
(
European Version )
(
European Version )

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Do you have a question about the GX1850GPS and is the answer not in the manual?

Questions and answers

george Mollison
February 7, 2025

GX1850 no GPS signal

1 comments:
Mr. Anderson
February 10, 2025

The Standard Horizon GX1850GPS may not be receiving a GPS signal due to the following reasons:

1. No Built-in GPS Receiver – If the model is GX1850 or GX1800 (without GPS in the name), it requires an external GPS device for position data.

2. External GPS Not Connected – If using GX1850 or GX1800, check if the external GPS device is properly connected.

3. Weak Signal or Obstruction – GPS reception may be blocked by buildings, metal surfaces, or other obstructions.

4. Cold Start Delay – If the device is starting from a cold start, it may take about 1 minute to acquire a signal.

5. Incorrect GPS Settings – Ensure the GPS settings in the setup menu are correct.

6. Faulty GPS Receiver or Connection – A malfunctioning internal GPS receiver or a loose cable connection can prevent signal reception.

Checking the GPS status in the menu can help diagnose the issue.

This answer is automatically generated

Summary of Contents for Standart Horizon GX1850GPS

  • Page 1 Noise canceling microphone with channel change, 16/S and H/L key buttons z SSM-70H Remote-Access RAM4 Microphone Second Station & Intercom z ATIS Mode for European Inland Waterways (GX1850GPS/E and GX1800GPS/E only) *External GPS device required for GX1850 and GX1800.
  • Page 2: Table Of Contents

    11.4.4 Transmitting an Individual Call ......... 46 8.5.6 Connecting the SCU-38 External GPS Antenna to 11.4.5 Receiving an Individual Call ..........48 the Radio (GX1850GPS, GX1850GPS/E, GX1800GPS and 11.4.6 Setting up the Individual Call Ringer ........ 49 GX1800GPS/E only) ............19 11.5 GROUP CALL ............
  • Page 3: Specifications

    15.7 SUMMARY OF THE CONFIGURATION SETUP ..86 22 CHANNEL ASSIGNMENTS ....... 109 16 CHANNEL FUNCTION SETUP ....87 22.1 GX1850GPS, GX1850, GX1800GPS and GX1800 ... 109 16.1 CHANNEL GROUP ..........87 22.2 GX1850GPS/E and GX1800GPS/E ......112 16.2 WEATHER ALERT (USA version only) ....87 23 SPECIFICATIONS ........
  • Page 4: Quick Reference

    QUICK REFERENCE            Press and hold the key to turn the radio ON or OFF.  Rotate the VOL knob to adjust the speaker audio volume.  Rotate the SQL knob clockwise to squelch or counterclockwise to un-squelch the radio.
  • Page 5: General Information

     Remote-Access Microphone (RAM4 Microphone)* ....SSM-70H (The SSM-70H firmware must be Ver. 2.00.00 or later.)  External GPS Antenna with 16 ft (5 m) of Cable (for GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E only) ..SCU-38 ..... SCU-31  External GPS Antenna with 49 ft (15 m) of Cable* (Built-in GPS Receiver.
  • Page 6: Online Warranty Registration

    4 ONLINE WARRANTY REGISTRATION Please visit www.standardhorizon.com - Owner’s Corner to register the GX1850/GX1800 Marine VHF Transceiver. NOTE: Visiting the STANDARD HORIZON website from time to time may be beneficial. When new products are released, information will appear on the website.
  • Page 7 WARNING Do not power this transceiver with a voltage Use only the specified type fuses. other than the specified power supply voltage. Use of an incorrect fuse may result in fire and A fire, electric shock, or damage may result. equipment failure.
  • Page 8: Getting Started

    6 GETTING STARTED 6.1 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. The marine VHF band provides communications over distances that are essentially “line of sight”...
  • Page 9: Distress And Hailing (Channel 16)

    To get the coax cable through a fitting and into the boat’s interior, you may have to cut the end plug off and reattach it later. Follow the direc- tions that come with the connector to attach it. Be sure to make good soldered connections.
  • Page 10: Calling Another Vessel (Channel 16 Or 9)

    6.5 CALLING ANOTHER VESSEL (CHANNEL 16 OR 9) Channel 16 may be used for initial contact (hailing) with another vessel. However, its most important use is for emergency messages. This channel must be monitored at all times, except when actually using another channel. It is monitored by the U.S.
  • Page 11: Controls And Indicators

    7 CONTROLS AND INDICATORS This section defines each control of the transceiver. See illustration below for location of controls. For detailed operating instructions refer to chapter 9 of this manual. 7.1 FRONT PANEL ⑨ ⑧ ⑦ ⑥ ⑤ ④ ③ ②...
  • Page 12 The 3 programmable soft keys can be customized by the Setup Menu described in section “15.5 SOFT KEYS”. BUSY Indicator LED This indicator glows green when the squelch opens. GPS Antenna (GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E only) Built in GPS antenna is located here. DISTRESS key Used to send a DSC Distress Call.
  • Page 13: Microphone

    7.2 MICROPHONE ① ③ ④ ② ⑤ PTT (Push-To-Talk) switch When in radio mode and the PTT switch is pressed, the transmitter is enabled for voice communications to another vessel. When an optional SSM-70H Microphone RAM4 is connected and intercom mode is selected, pressing the PTT switch enables voice communications from the transceiver to the SSM-70H second station microphone RAM4.
  • Page 14: Rear Panel

    HORIZON accessories. Speaker connections: White: External Speaker (+) Shield: External Speaker (−) NMEA 2K Connector (GX1850GPS, GX1850GPS/E and GX1850 only) Connects to the NMEA 2000 network. GND Terminal (Ground Terminal) Connects the transceiver to ships ground, for safe and optimum performance.
  • Page 15: Installation

    8 INSTALLATION 8.1 SAFETY / WARNING INFORMATION Operation of 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 passengers and bystanders by maintaining the minimum separa- tion distance of 3 feet (1 m).
  • Page 16: Optional Mmb-97 Flush Mount Bracket

    8.3.2 Optional MMB-97 Flush Mount Bracket A GPS receiver and antenna are located in the front panel of the GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E. In many cases the radio may be flush mounted, however before cutting holes to flush mount the radio...
  • Page 17: Electrical Connections

    Adjusting Screw 6.42″ (163 mm) 8.4 ELECTRICAL CONNECTIONS CAUTION Reverse polarity battery connections will damage the radio! Connect the power cord and antenna to the radio. Antenna and Power Supply connections are as follows: 1. Mount the antenna at least 3.28 feet (1 m) away from the radio. At the rear of the radio, connect the antenna cable.
  • Page 18: Connection Of External Devices To The Radio

    Ferrite Cores To suppress RF interference that can cause abnormal operation of the transceiv- er, attach the supplied two ferrite cores as shown below: one to the accessory cable and the DC Power code together, and other to the NMEA Cable and the Speaker Cable together.
  • Page 19: Accessory Cables

    • If 4800 baud (default) is selected: The Yellow and Green input wires are at 4800 baud. • If 38400 baud is selected: The Yellow and Green input wires are at 38400 baud. NMEA Output (DSC and GPS information) • The NMEA 0183 output sentences are DSC and DSE. •...
  • Page 20: Connection To External Gps Or Chart Plotter

    8.5.3 Connection to External GPS or Chart Plotter GPS Chart Plotter Radio Wires Plotter Connection Yellow: NMEA IN ( + )* NMEA OUT ( + ) Green: NMEA IN ( − )* NMEA OUT ( − ) White: NMEA OUT ( + ) NMEA IN ( + ) Brown: NMEA OUT ( −...
  • Page 21: Connecting The Scu-38 External Gps Antenna To The Radio (Gx1850Gps, Gx1850Gps/E, Gx1800Gps And Gx1800Gps/E Only)

    8.5.6 Connecting the SCU-38 External GPS Antenna to the Radio (GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E only) Connect the SCU-38 cable to the coaxial GPS ANT connector on the rear panel, then tighten the cable nut (see illustration at the right).
  • Page 22 NOTE Caution!: Before cutting the cable, it must be disconnected from the rear panel of the transceiver. The routing cable can be cut and spliced, however care needs to be taken when reconnecting the wires to ensure water integrity. After cutting you will notice there are the following wires: Yellow, Green, White, Brown and Red/Shield 4.
  • Page 23: Initial Setup Required When Turning On

    4. Rotate the DIAL/ENT knob to select “INTERNAL” or “EXTERNAL”, then press the [SELECT] soft key. 5. Press the [CLEAR] key to return to radio operation. 8.6 INITIAL SETUP REQUIRED WHEN TURNING ON THE POWER FOR THE FIRST TIME 8.6.1 Maritime Mobile Service Identity (MMSI) What is an MMSI? An MMSI is a nine-digit number used on marine transceivers capable of using Digital Selective Calling (DSC) signal transmission.
  • Page 24: Confirming Gps Signal (Gps Status Display)

    8.7 CONFIRMING GPS SIGNAL (GPS STATUS DISPLAY) When the GX1850/GX1800 series receives the GPS signal from the internal GPS receiver or the NMEA 2000 or NEMA 0183, an icon will appear on the display as shown below. GX1850GPS GX1800GPS Receive GPS signal from GX1850...
  • Page 25: Gps Configuration

    NOTE When the GPS reception is limited, such as the flush mounting of the GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E, it is recommended to connect the optional External GPS Antenna SCU-38 to the GPS ANT connector on the rear panel. 1. Press the [MENU/SET]key to display “MENU”.
  • Page 26: Setting The Time Area

    4. Press the [▲] or [▼] key to select time offset of your 00:00 location. If “ ” is assigned, the time is the same as UTC or GPS satellite time. 5. Press the [ENTER] soft key to store the time offset. 6.
  • Page 27: Setting Cog To True Or Magnetic

    8.8.4 Setting COG to True or Magnetic The GPS COG (Course Over Ground) and the BRG from a Waypoint Target magnetic variation may be selected to show in ON or OFF. Factory default is “OFF” however by following the steps below the COG can be changed to “ON”. 1.
  • Page 28: Basic Operation

    9 BASIC OPERATION 9.1 TURNING THE TRANSCEIVER ON AND OFF 1. After the transceiver has been installed, ensure that the power supply and antenna are properly connected. 2. Press and hold the key to turn the radio ON. 3. Press and hold the key again to turn the radio OFF.
  • Page 29: Transmit Power

    9.3.1 Transmit Power The TX output power of the transceiver is set to high (25 W) in factory default, and the “HI” indicator is displayed on the top part of the screen. To switch the TX output power: 1. Press the [H/L] key on the front panel or the micro- phone to switch between HI (25 W) or LO (1 W) output power.
  • Page 30: Transmit Time-Out Timer (Tot)

    9.5 TRANSMIT TIME-OUT TIMER (TOT) When the PTT switch on the microphone is held down, transmit time is limited to 5 minutes. This limits unintentional transmissions due to a stuck microphone. About 10 seconds before automatic transmitter shutdown, a warning beep will be heard from the speaker(s).
  • Page 31: Noaa Weather Channels (In Usa And Canada Only)

    1050 Hz tone and transmits a subsequent weather report on one of the NOAA weather channels. The GX1850GPS, GX1850, GX1800GPS and GX1800 can receive weather alerts when monitoring a weather channel and on the last selected weather channel during scanning modes or while monitoring a working channel.
  • Page 32: Noaa Weather Alert Testing

    9.8.2 NOAA Weather Alert Testing NOAA tests the alert system every Wednesday between 11AM and 1PM. To test the NOAA weather feature, setup the transceiver as in section “9.8.1 NOAA Weather Alert (USA version only)” and confirm the alert is heard on Wednesdays between 11AM and 1PM local time.
  • Page 33: Scanning

    NOTE The priority channel or the sub channel may be changed from CH16 (default) or CH9 (default) to another channel. Refer to section “16.7 PRIORITY CHANNEL” or “16.8 SUB CHANNEL”. 9.10 SCANNING The transceiver will automatically scan channels programmed into the preset channel memory and also the scan channel memory, and the last selected weather channel.
  • Page 34: Memory Scanning (M-Scan)

    4. To REMOVE a channel from the list, select the channel then press the [MEM] soft key. The “ON” icon of the selected channel will disappear. 5. When you have completed your selection, press the [CLEAR] key to return to radio operation. To check the channels to be scanned, Press the [▲] or [▼] key.
  • Page 35: Preset Channels: Instant Access

    NOTE In the default setting, Channel 16 is set as the priority channel. You may change the priority channel from Channel 16 to another desired channel using the SETUP menu. Refer to section “16.7 PRIORITY CHANNEL”. 9.11 PRESET CHANNELS: INSTANT ACCESS 10 preset channels can be programmed for instant access.
  • Page 36: Deletion

    9.11.3 Deletion 1. Press one of the soft keys. 2. Press the [◄] or [►] key repeatedly, then press the [P-SET] soft key to recall the preset channel 3. Press the [▲] or [▼] key to select the preset channel to be deleted.
  • Page 37: Intercom Operation

    9.13 INTERCOM OPERATION The optional SSM-70H (RAM4) remote station microphone must be connected to perform intercom functions between the transceiver and the SSM-70H (RAM4). NOTE When using the intercom function, connect SSM-70H (RAM4) Remote Station Microphone to the transceiver. 9.13.1 Communication ] ...
  • Page 38 2. Press the [▲] or [▼] key to select “DEMO POSITION INPUT”, then press the [SELECT] soft key. 3. Enter the latitude and longitude of your vessel and your local UTC time in the 24-hour notation using the [▲] and [▼] keys. Press the [▲]/[▼]/[◄]/[►] keys to select the number and press the [SELECT] soft key to move the cursor to the next character.
  • Page 39: Gps Operation

    10 GPS OPERATION The GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E has an internal GPS receiver to acquire and display the satellite position information*. When the radio is connected to an external GPS device by the NMEA-0183 or NMEA2000, you may select the order of priority of the connection devices to be used when obtaining location information via the SETUP menu (Refer to section “18.1 ORDER OF PRIORITY (GX1850 series only)”).
  • Page 40: Digital Selective Calling (Dsc)

    11 DIGITAL SELECTIVE CALLING (DSC) 11.1 GENERAL WARNING This GX1850/GX1800 series 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 commu- nication range of a shore-based VHF marine channel 70 distress and safety watch system.
  • Page 41 Basic Operation 1. Lift the red spring loaded [DISTRESS] cover, then press and hold the [DISTRESS] key for 3 seconds. The radio display will count down (3-2-1) and then transmit the distress alert. The backlight of the display and keypad flashes while the radio's display is counting down.
  • Page 42 Transmitting a Distress Alert by Manually Inputting Location and Time In case the transceiver fails to get a GPS position fix, you may manually input the latitude, longitude and time before transmitting the distress alert. ]  “DSC CALL”  “DIST ALERT MSG” 2.
  • Page 43: Receiving A Distress Alert

    Canceling a Distress Alert If a distress alert was sent by error, the transceiver allows you to send a message to other vessels to cancel the distress alert that was made. 1. Press the [CANCEL] soft key, then press the [YES] soft key.
  • Page 44: All Ships Call

    5. Press the [▲] or [▼] key to select “SAVE & GOTO”, then press the [SELECT] soft key to change the display to the waypoint navigation screen. The display indicates the distance and direction of the vessel in distress, and the compass displays the distressed vessel with a dot ().
  • Page 45: Receiving An All Ships Call

    3. In the INTERSHIP CH list, press the [▲] or [▼] key to select the operating channel on which you want to communicate, then press the [SELECT] soft key. To select operating channels from all voice channels, press the [MANUAL] soft key. 4.
  • Page 46: Individual Call

    [QUIT]: Press this key to quit the automatic channel switching and revert to the last selected working channel. 4. Press the [QUIT] key to return to the channel display. NOTE When there is an unread all ships call, an “ ”...
  • Page 47: Setting Up The Individual Call Reply

    6. Repeat steps 4 and 5 until the name is complete. The name can consist of up to fifteen characters, and if you do not use all fifteen characters, select “→” to move to the next space. The “→” can also be used to enter a blank space in the name.
  • Page 48: Enabling The Individual Call Acknowledgment

    11.4.3 Enabling the Individual Call Acknowledgment The radio can select either reply message “ABLE” (default) or “UNABLE” when the individual reply setting (described in the previous section) is set to “AUTO- MATIC”. Press & hold [ ]  “DSC SETUP”  “INDIVIDUAL ACK.” 2.
  • Page 49: Individual Directory

    6. When an individual call acknowledgment is received, the operating channel is automatically changed to the channel which is selected in step 4 above and a ringing tone sounds. 7. Press the [QUIT] soft key to listen to the channel to make sure it is not busy, then press the microphone PTT switch and talk into the microphone to commu- nicate with the other vessel.
  • Page 50: Receiving An Individual Call

    8. When an individual call acknowledgment is received, the operating channel is automatically changed to the channel which is selected in step 6 above and a ringing tone sounds. 9. Press the [QUIT] soft key to listen to the channel and make sure it is not busy, then press the microphone PTT switch and talk into the microphone to commu- nicate with the other vessel.
  • Page 51: Setting Up The Individual Call Ringer

    5. Press the [YES] soft key to send an acknowledgement. Press the [CHG CH] soft key to change to the requested operating channel for communication. 6. Monitor the specified channel until the message is completed. Press the microphone PTT switch and talk into the microphone to commu- nicate with the vessel that initiated the individual call.
  • Page 52: Group Call

    The GX1850/GX1800 series individual call ringer may be set to OFF: [ Press & hold [ ]  “DSC SETUP”  “DSC BEEP” 2. Press the [▲] or [▼] key to select “INDIVIDUAL CALL”, then press the [SELECT] soft key. 3.
  • Page 53  The last 5 digits are decided upon by persons in the group. This is an impor- tant step as all radios in the group must contain the same group MMSI in order to be contacted by each other. There is a chance that another group of vessels may program the same group MMSI.
  • Page 54: Transmitting A Group Call

    10. When finished entering the MMSI number, press the [FINISH] soft key to confirm. 11. To store the data, select “SAVE”, then press the [SELECT] soft key. 12. To enter another group address, repeat steps 2 through 11. 13. Press the [CLEAR] key to return to radio operation. 11.5.2 Transmitting a Group Call Group Call using the Group Directory ] ...
  • Page 55 Group Call by Manually Entering an MMSI This feature allows you to contact a group of vessels by entering in their group MMSI manually. ]  “DSC CALL”  “GROUP CALL” 2. Press the [▲] or [▼] key to select “NEW ID”, then press the [SELECT] soft key.
  • Page 56: Receiving A Group Call

    11.5.3 Receiving a Group Call 1. When a group call is received, the transceiver will produce a ringing alarm sound. 2. The display shows the group MMSI number. 3. Press any key to stop the alarm. On the display 3 soft key selections are shown. These selections are described below: [ACCEPT]: Press this key to accept the group call and switch to the requested channel.
  • Page 57: Position Request

    11.6 POSITION REQUEST Advancements in DSC have made it possible to poll the location of another vessel and show the position of that vessel on the display of the GX1850/ GX1800 series. Standard Horizon has taken this feature one step further, if a compatible GPS chart plotter is connected to the GX1850/GX1800 series, the polled position of the vessel is shown on the display of the GPS chart plotter making it easy to navigate to the location of the polled vessel.
  • Page 58: Transmitting A Position Request To Another Vessel

    11.6.2 Transmitting a Position Request to Another Vessel Position Request using the Individual/Position Directory Refer to section “11.4 INDIVIDUAL CALL” to enter information into the indi- vidual directory. ]  “DSC CALL”  “POS REQUEST” 2. Press the [▲] or [▼] key to select “HISTORY” or “MEMORY”, then press the [SELECT] soft key.
  • Page 59: Receiving A Position Request

    3. Press the [▲]/[▼]/[◄]/[►] keys to select the first number of the MMSI (nine digits) which you want to contact, then press the [SELECT] soft key to step to the next number. 4. Repeat step 3 to set the MMSI number. If a mistake is made entering in the MMSI number, press the [▲]/[▼]/[◄]/ [►] keys to select “←”...
  • Page 60: Manual Input Of Position Information

    11.6.4 Manual Input of Position Information If the transceiver is located in an area where GPS reception is limited when you are going to reply to the received position request, you may manually input your location (latitude and longitude) and time to be sent. ] ...
  • Page 61: Position Report

    11.7 POSITION REPORT 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. 11.7.1 Transmitting a DSC Position Report Call DSC Position Report Call using the Individual/Position Directory Refer to section “11.4 INDIVIDUAL CALL”...
  • Page 62: Receiving A Dsc Position Report Call

    3. Press the [▲] or [▼] key to select the first number of the MMSI of the vessel you want to contact, then press the [SELECT] soft key to step to the next number. 4. Repeat step 3 to complete the MMSI number. If a mistake is made entering in the MMSI number, press the [▲]/[▼]/[◄]/[►] keys to select “←”...
  • Page 63: Saving The Reported Position As A Waypoint

    2. Press the [ENTER] soft key to save the waypoint into memory. 3. The display indicates the distance and direction of the received vessel, and the compass displays the received vessel with a dot (). Stopping Navigation to the Reported Position 1.
  • Page 64: Setting Up A Position Report Ringer

    11.7.5 Setting up a Position Report Ringer The transceiver position report ringer may be turned OFF. Press & hold [ ]  “DSC SETUP”  “DSC BEEP” 2. Press the [▲] or [▼] key to select “POS REPORT”, then press the [SELECT] soft key. 3.
  • Page 65: Selecting Vessels To Be Automatically Polled

    11.8.3 Selecting Vessels to be Automatically Polled NOTE The radio uses the individual directory to select vessels to be auto- matically polled. Refer to section “11.4.1 Setting up the Individual / Position Call Directory” and enter the MMSI of vessels you may want to poll before proceeding.
  • Page 66: Dsc Test

    11.9 DSC TEST This function is used to contact another DSC equipped vessel to ensure the DSC functions of the radio are operating. NOTE To use the DCS Test feature, a radio that is to receive the test call also needs to have the DSC Test feature.
  • Page 67: Receiving A Dsc Test Call

    3. Press the [▲] or [▼] key to select the first digit in the MMSI, then press the [SELECT] soft key. 4. Repeat step 3 until all the numbers of the MMSI are shown on the display. 5. Press the [FINISH] soft key to show the test call page. 6.
  • Page 68: Reviewing And Resending A Transmitted Logged Call

    11.10.1 Reviewing and Resending a Transmitted Logged Call The transceiver allows transmitted logged calls to be reviewed and resent. ]  “DSC CALL”  “DSC LOG” 2. Press the [▲] or [▼] key to select “TRANSMITTED”, then press the [SELECT] soft key. 3.
  • Page 69: Deleting Logged Calls From The Dsc Log Directory

    NOTE: When received call is unread, the “ ” icon will appear to the left of the logged call. 3. Press the [SELECT] soft key to review details of the selected station. 4. Press the [REPLY] soft key to reply to the call or press the [BACK] soft key to return to the received call list.
  • Page 70: Navigation

    12 NAVIGATION The GX1850/GX1800 series is capable of storing up to 250 waypoints for navigation using the compass page. You can also navigate to a DSC distress call with location data, or to the posi- tion received from another DSC radio using DSC polling. 12.1 WAYPOINT OPERATION 12.1.1 Starting and Stopping Navigation Navigation Using the Waypoint Directory...
  • Page 71: Setting Up Waypoint Directory

    5. Press the [▲] or [▼] key to select the first number of latitude, then press the [SELECT] soft key to step to the next number. 6. Repeat step 5 to set the position. If a mistake is made, press the [▲]/[▼]/[◄]/[►] keys to select “←” or “→”, press the [SELECT] soft key until the incorrect character is selected, then perform step 5.
  • Page 72 Adding a Waypoint Press & hold [ ]  “WAYPOINT SETUP”  “WAYPOINT DIRECTORY” 2. Press the [▲] or [▼] key to select “ADD”, then press the [SELECT] soft key. 3. Press the [▲] or [▼] key to select “NAME:”, then press the [SELECT] soft key.
  • Page 73: Selecting The Display Range

    Deleting a Waypoint Press & hold [ ]  “WAYPOINT SETUP”  “WAYPOINT DIRECTORY” 2. Press the [▲] or [▼] key to select “DELETE”, then press the [SELECT] soft key. 3. Press the [▲] or [▼] key to select the waypoint to be deleted, then press the [SELECT] soft key.
  • Page 74: Routing Operation

    12.2 ROUTING OPERATION The GX1850/GX1800 series permits setting 1 to 30 waypoints along the route to a destination. Via29 Via3 Via30 Via2 Current Via1 position Routing to a Waypoint 12.2.1 Setting Up Routing Directory NOTE All the destinations and via-points must be programmed as waypoints in the memory.
  • Page 75 9. Press the [▲] or [▼] key to select a waypoint, then press the [SELECT] soft key. 10. Repeat steps 8 and 9 to add more via-points. 11. Press the [BACK] soft key. 12. Press the [▲] or [▼] key to select “SAVE”, then press the [ENTER] soft key to store the route into memory.
  • Page 76: Starting And Stopping Route Navigation

    12.2.2 Starting and Stopping Route Navigation ]  “NAVI”  “ROUTE” 2. Press the [▲] or [▼] key to select the desired category (“HISTORY” or “MEMORY”), then press the [SELECT] soft key. 3. Press the [▲] or [▼] key to select a route, then press the [SELECT] soft key.
  • Page 77: Gm Operation

    13 GM OPERATION The GM (Group Monitor) feature of the GX1850/GX1800 series utilizes the same system as the DSC Group call and Auto Position Polling, to display the group members' locations. 13.1 SETTING UP GM OPERATION The transceiver is capable of storing up to 10 groups with 1 to 9 members each. 13.1.1 Setting Up GM Group Directory NOTE •...
  • Page 78: Setting Up The Polling Time Interval

    7. Press the [▲] or [▼] key to select a directory list number, then press the [SELECT] soft key. 8. Press the [▲] or [▼] key to select a member from the Individual directory, then press the [SELECT] soft key. 9.
  • Page 79: Starting Gm Operation

    13.2 STARTING GM OPERATION NOTE To start GM operation, configure the GM Group Directory setting in setup menu. Otherwise, you cannot start the GM operation. Refer to section “13.1.1 Setting Up GM Group Directory” for details. ]  “GM” 2. Press the [▲] or [▼] key to select a group you want to monitor, then press the [SELECT] soft key.
  • Page 80: Starting Navigation To A Group Member

    2. Press the [▲] or [▼] key to select a member you want to call. 3. Press the [SELECT] soft key to display the location, distance, and bearing of the selected member. 4. Press the [CALL] soft key to transmit a DSC Individual call to the selected member.
  • Page 81: Nmea 2000 Setup (Gx1850 Series Only)

    14 NMEA 2000 SETUP (GX1850 series only) Set the device numbers and system numbers of devices connected to the NMEA 2000 network. 14.1 SELECT DEVICE Select the device for which you want to set the device number and system number. Press &...
  • Page 82: System Number

    14.3 SYSTEM NUMBER Set the system number of the device selected in “14.1 SELECT DEVICE”. Press & hold [ ]  “NMEA2000 SETUP”  “SYSTEM NUMBER” 2. Press the [◄] or [►] key to select the first digit of the system number, then press the [SELECT] soft key to step to the next number.
  • Page 83: Configuration Setup

    15 CONFIGURATION SETUP 15.1 DISPLAY MODE The display mode can be selected according to the time of day you operate the radio. Press & hold [ ]  “CONFIGURATION”  “DISPLAY MODE” 2. Press the [▲] or [▼] key to select the desired setting. Select the “DAY MODE”...
  • Page 84: Key Beep

    15.4 KEY BEEP This selection is used to select the beep tone volume level when a key is pressed. Press & hold [ ]  “CONFIGURATION”  “KEY BEEP” 2. Press the [▲] or [▼] key to select the desired level. The beep level can be set from “1”...
  • Page 85: Key Timer

    ICON (See the previous page.) NONE − − − Switches channels between weather and WX/CH (GX1850GPS, GX1850, marine GX1800GPS, GX1800) SCAN Turns the scanning function ON or OFF Add or remove channels from memory SCAN MEMORY channel scan Starts and stops dual watch or triple...
  • Page 86: Reset

    • Current MMSI number and/or ATIS code (To check the MMSI number and ATIS code, refer to “8.6.1 Maritime Mobile Service Identity (MMSI)” or “19 ATIS SETUP (GX1850GPS/E and GX1800GPS/E only)”. • Request codes for the MMSI number and/or the ATIS code...
  • Page 87 2. Press the [▲] or [▼] key to select the desired cate- gory. You can select either “USER MMSI”, or “ATIS CODE”*, then press the [SELECT] soft key. *(GX1850GPS/E and GX1800GPS/E only) 3. Press the [SELECT] soft key again. The request code will be displayed.
  • Page 88: Summary Of The Configuration Setup

    4. Repeat steps 3 until the reset password is complete. If a mistake is made entering in the station name, press the [▲]/[▼]/[◄]/[►] keys to select “←” or “→”, press the [SELECT] soft key until the incorrect char- acter is selected, then perform step 3. 5.
  • Page 89: Channel Function Setup

    16 CHANNEL FUNCTION SETUP 16.1 CHANNEL GROUP This menu item allows you to selection of a channel group from USA, Canada*, and International. Refer to section “9.7 CHANNEL GROUP” for details. 16.2 WEATHER ALERT (USA version only) Enables/disables the NOAA Weather Alert function. The default setting is “ON”. Press &...
  • Page 90: Priority Channel

    16.7 PRIORITY CHANNEL This procedure permits setting a different priority channel to be used when priority scanning. By default, the priority channel is set to Channel 16. Press & hold [ ]  “CHANNEL SETUP”  “PRIORITY CHANNEL” 2. Press the [▲] or [▼] key to select the desired channel to be a priority.
  • Page 91: Rx Led Dimmer Adjustment

    If a mistake is made entering the channel name, press the [▲]/[▼]/[◄]/[►] keys to select “←” or “→”, press the [SELECT] soft key until the incorrect character is selected, then perform steps 3 and 4. 6. When finished entering the channel name (using fifteen characters or less), press the [FINISH] soft key to save the name.
  • Page 92: Dsc Setup

    17 DSC SETUP 17.1 INDIVIDUAL DIRECTORY The GX1850/GX1800 series has a DSC directory that allows you to store a vessel or person’s name, and the associated MMSI that you may wish to contact via individual calls, position requests and position report transmissions. To transmit an individual call, program this directory with the information of the vessel you wish to contact, similar to a cellular phone's contact list.
  • Page 93: Position Reply

    17.6 POSITION REPLY The GX1850/GX1800 series can be set up to automatically (default setting) or manually send your position when requested by another vessel. This selec- tion is important if you are concerned about someone polling the position of your vessel that you may not want to. In the manual mode you will see the MMSI (Maritime Mobile Service Identity Number) or persons name, shown on the display allowing you to choose whether or not to send your position to the requesting vessel.
  • Page 94: No Action Timer

    17.10 NO ACTION TIMER If no key is pressed during the “MENU” or “DSC CALL” screen, the transceiver will automatically return to radio operation. The default selection is 10 minutes. Press & hold [ ]  “DSC SETUP”  “NO ACTION TIMER” 2.
  • Page 95 Item Description Default Value Page GROUP DIRECTORY Enter or edit addresses used for − group calling POSITION REPLY Selects reply mode when receiv- AUTO ing a position call AUTO POSITION Selects the AUTO POSITION AUTO POS REPORT POLLING POLLING operation type AUTO POS INTERVAL Selects the AUTO POSITION 30 sec...
  • Page 96: Gps Setup

    18 GPS SETUP The “GPS Setup” mode allows the parameters for the NMEA2000 or the NMEA -0183 or the Internal GPS receiver to be customized for your operating requirements. 18.1 ORDER OF PRIORITY (GX1850 series only) Specify the order of priority of the input devices to be used for obtaining loca- tion information.
  • Page 97: Time Offset

    18.4 TIME OFFSET Sets the local time offset between UTC (Universal Time Coordinated) and local time shown on the display. The offset is added or subtracted from the time received from the GPS. Refer to section “8.8.1 Setting the GPS Time” for details. 18.5 TIME AREA This menu selection sets the display to show UTC time or local time with the offset.
  • Page 98: Output Sentences

    Press & hold [ ]  “GPS SETUP”  “NMEA 0183 IN/OUT” 2. Press the [▲] or [▼] key to select “DATA SPEED”, then press the [SELECT] soft key. 3. Press the [▲] or [▼] key to select the desired speed from “4800bps”...
  • Page 99: Position Data Output

    18.10 Position Data Output Select the connection device to be used when outputting position data. Press & hold [ ]  “GPS SETUP”  “OPTION GPS UNIT” 2. Press the [▲] or [▼] key to select “POS DATA OUTPUT”, then press the [SELECT] soft key. 3.
  • Page 100: Pinning

    18.11.2 Pinning This selection is utilized to enable or disable position updates when the vessel is not underway. The default setting is “ON”. Press & hold [ ]  “GPS SETUP”  “INTERNAL GPS UNIT” 2. Press the [▲] or [▼] key to select “PINNING”, then press the [SELECT] soft key.
  • Page 101: Summary Of The Gps Setup

    18.12 SUMMARY OF THE GPS SETUP Item Description Default Value Page ORDER OF PRIORITY Sets the priority order of the NMEA-2000 (GX1850 series only) connection devices when obtain- ing position information COMPASS DIRECTION Selects the compass direction to NORTH-UP be displayed LOCATION FORMAT Selects the coordinate system to ddd°mm.mmmm...
  • Page 102: Atis Setup

    19 ATIS SETUP (GX1850GPS/E and GX1800GPS/E only) The GX1850GPS/E and GX1800GPS/E supports the ATIS (Automatic Transmit- ter Identification System) used in Inland waterways in Europe. When enabled ATIS mode transmits a unique ATIS code each time the PTT switch is released at the end of a transmission.
  • Page 103: Atis Ch Group

    19.2 ATIS CH GROUP The GX1850GPS/E and GX1800GPS/E ATIS feature may be turned ON or OFF for each channel group. Press & hold [ ]  “ATIS SETUP”  “ATIS GROUP” 2. Press the [▲] or [▼] key to select the channel group (International, Canadian*, or USA) to change the setting, and then press the [SELECT] soft key.
  • Page 104: Ssm-70H ( Ram4 ) Remote Mic Operation

    20 SSM-70H ( RAM4 ) REMOTE MIC OPERATION When a remote microphone is connected to the GX1850/GX1800 series, all VHF, DSC, setup menus, Navigation and GM (Group Monitor) functions can be remotely operated. The SSM-70H operation is the same as the GX1850/GX1800 series except for the receiver audio volume setting and the squelch level setting.
  • Page 105 Power/VOL knob Press and hold this knob to turn the transceiver and the remote mic ON or OFF. Rotate this knob to adjust the internal speaker volume. DIAL/ENT knob While the normal screen is displayed, rotate the DIAL/ENT knob to select your desired channel.
  • Page 106: Strobe Light

    Display Full dot matrix display, 222 by 162 pixels. MMSI and ATIS Display Area (Fixed) Channel and Operation status Display area Soft keys These three programmable keys can be customized utilizing the setup menu. Press one of these keys, to display the key functions at the bottom of the display.
  • Page 107: Ram4 Soft Key Assignment

    ICON (See the previous page.) NONE − − − Switches between weather and marine WX/CH (GX1850GPS, GX1850, channels GX1800GPS, GX1800) SCAN Turns the scanning function ON or OFF Add or remove channels from memory SCAN MEMORY channel scan Starts and stops dual watch scan or triple...
  • Page 108: Key Assignment

    20.2.1 Key Assignment Customize the functions of SSM-70H (RAM4) remote microphone soft keys for personal preferences. NOTE: It is necessary to make the settings using the keys or the DIAL/ENT knob on the SSM-70H (RAM4). Press & hold [ ]  “CONFIGURATION”  “SOFT KEY” (RAM4W) 2.
  • Page 109: Maintenance

    21 MAINTENANCE The inherent quality of the solid-state components used in this transceiver will provide many years of continuous use. Taking the following precautions will prevent damage to the transceiver. • Never key the microphone unless an antenna or suitable dummy load is connected to the transceiver.
  • Page 110: Troubleshooting Chart

    21.3 TROUBLESHOOTING CHART SYMPTOM PROBABLE CAUSE REMEDY Transceiver fails to No DC voltage to the a. Check the 12 VDC battery connections power up. transceiver, or blown fuse. and the fuse. b. The key needs to be pressed and held to turn the radio on.
  • Page 111: Channel Assignments

    22 CHANNEL ASSIGNMENTS 22.1 GX1850GPS, GX1850, GX1800GPS and GX1800 VHF MARINE CHANNEL CHART CHANNEL USE 160.650 Public Correspondence ( Marine Operator ) 156.050 Port Operation and Commercial. 1001 156.050 VTS in selected areas 160.700 Public Correspondence ( Marine Operator ) 156.100...
  • Page 112 VHF MARINE CHANNEL CHART CHANNEL USE 157.100 161.700 Port operation, ship movement US Coast Guard Liaison and Maritime Safety Information Broadcasts announced on channel 16 (USA) 1022 157.100 Canadian Coast Guard Liaison and Maritime Safety Information Broadcasts announced on channel 16 (Canada) 161.750 Public Correspondence ( Marine Operator ) 157.150 1023...
  • Page 113 VHF MARINE CHANNEL CHART CHANNEL USE Non-commercial ( Inter-ship only ) 156.625 US: Port Operations, Canada: Commercial fishing only, 156.675 International: Inter-ship, Port operations and Ship movement US: Port Operations, Canada: Commercial fishing only, 156.725 International: Inter-ship, Port operations and Ship movement Port Operations ( Inter-ship only ) ( 1 W ) 156.775 Port Operations ( Inter-ship only ) ( 1 W )
  • Page 114: Gx1850Gps/E And Gx1800Gps/E

    22.2 GX1850GPS/E and GX1800GPS/E CHANNEL USE TX (MHz) RX (MHz) SIMPLEX/DUPLEX LOW PWR All countries Germany (except Germany) 156.050 160.650 DUPLEX – TELEPHONE NAUTIK 156.100 160.700 DUPLEX – TELEPHONE NAUTIK 156.150 160.750 DUPLEX – TELEPHONE NAUTIK 156.200 160.800 DUPLEX –...
  • Page 115 CHANNEL USE TX (MHz) RX (MHz) SIMPLEX/DUPLEX LOW PWR All countries Germany (except Germany) 156.875 SIMPLEX LOW* PORT OPR SHIP-SHIP 156.925 161.525 DUPLEX – INTL NAUTIK 1078 156.925 SIMPLEX – – – 2078 161.525 SIMPLEX – – – 156.975 161.575 DUPLEX –...
  • Page 116: Specifications

    Receiver (at Maximum AF Output) ............ 0.8 A Transmit ..............5.0 A (Hi), 1.0 A (Lo) NMEA 2000 Load Equivalency Number* ..........LEN=1 (GX1850GPS, GX1850GPS/E and GX1850 only) DSC Transmitted Call Log ................24 DSC Distress Call Log ................27 DSC Received Call Log ................64 Individual Directory ...................
  • Page 117 38400 Baud selected: NMEA 0183-HS Input (38400 baud) ... GGA, GLL, GNS, RMC, GSA, & GSV NMEA 0183-HS Output (38400 baud) ..DSC, DSE, GGA* , GLL* , GNS* RMC* , GSA* & GSV* (GX1850GPS, GX1850GPS/E, GX1800GPS and GX1800GPS/E only)
  • Page 118: Dimensions

    23.1 DIMENSIONS 5.4" (136 mm) 2.2" (55 mm) 1.5" (37 mm) 1.4" (36 mm) 5.9" (150 mm) 0.75" (19 mm) 6.9" (174.4 mm) 5.4" (136 mm) 2.2" (55 mm) 1.5" (37 mm) 1.4" (36 mm) 5.9" (150 mm) 5.9" (150 mm) 0.75"...
  • Page 119: Fcc Radio License Information

    24 FCC RADIO LICENSE INFORMATION Standard Horizon radios comply with the Federal Communication Commission (FCC) requirements that regulate the Maritime Radio Service. 24.1 STATION LICENSE An FCC ship station license is no longer required for any vessel traveling in U.S. waters (except Hawaii) which is under 20 meters in length. However, any vessel required 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.
  • Page 120: Fcc Notice

    25 FCC NOTICE NOTICE Unauthorized changes or modifications to this equipment may void compliance 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.
  • Page 121 THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
  • Page 122: Standard Horizon Limited Warranty

    STANDARD HORIZON Limited Warranty Limited Warranty is valid only in the country/region where this product was originally purchased. On-line Warranty Registration: Thank you for buying STANDARD HORIZON products! We are confident your new radio will serve your needs for many years! Please register your product at www.standardhorizon.com - Owner’s Corner Warranty Terms: Subject to the Limitations of the Warranty and the Warranty Procedures described below, YAESU MUSEN hereby warrants this product to be free of defects in materials and workmanship in normal use during the “War-...
  • Page 123: Template

    73 mm...
  • Page 125: Eu Declaration Of Conformity

    EU Declaration of Conformity We, Yaesu Musen Co. Ltd of Tokyo, Japan, hereby declare that this radio equipment GX1850GPS/E and GX1800GPS/E is in full compliance with EU Radio Equipment Directive 2014/53/EU. The full text of the Declaration of Conformity for this product is available to view at ://www.yaesu.com/jp/red...
  • Page 126 Copyright 2018 YAESU MUSEN CO., LTD. All rights reserved. No portion of this manual may be reproduced without the permission of YAESU MUSEN CO., LTD. YAESU MUSEN CO., LTD. Tennozu Parkside Building 2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 Japan 1811G-AC-1 YAESU USA Printed in China 6125 Phyllis Drive, Cypress, CA 90630, U.S.A.

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