Icom IC-M804 Instruction Manual

Icom IC-M804 Manual

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  • Icom IC-M804 | Instruction Manual - Page 1
    INSTRUCTION MANUAL MF/HF MARINE TRANSCEIVER |M804
  • Icom IC-M804 | Instruction Manual - Page 2
    INSTRUCTIONS carefully completely before using the transceiver. SAVE THIS INSTRUCTION MANUAL- This instruction manual contains important operating instructions for the IC-M804. This instruction manual is required then please contact your Icom distributor for revised installation recommendations.
  • Icom IC-M804 | Instruction Manual - Page 3
    dropped. Contact your Icom distributor or your dealer for advice. ABOUT CE AND DOC Hereby, Icom Inc. declares that the versions of IC-M804 which have the internet address: https://www.icomjapan.com/support/ KEY ICON DESCRIPTION The keys are described in this manual as follows: The keys that have
  • Icom IC-M804 | Instruction Manual - Page 4
    disasters, disturbances, riots, war, or radioactive contamination. •• The use of Icom transceivers with any equipment that is not manufactured or approved by Icom. Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom
  • Icom IC-M804 | Instruction Manual - Page 5
    73 DD Transmitter 73 DD Receiver 73 Transceiver dimensions 74 Options 74 DD Antenna tuner 74 DD Microphone 74 DD Others 74 TROUBLESHOOTING 75 TEMPLATE 76 Other functions 14 Setting a temporary operating frequency 16 Setting a User channel or an ITU Simplex channel 17 DD Receiving
  • Icom IC-M804 | Instruction Manual - Page 6
    1 OPERATING RULES NOTE: Before transmitting, monitor the channel you want to use to avoid interrupting communications already in progress. zz CALL PROCEDURE Calls must be properly identified and the time limit must be respected. 1. Give your call sign each time you call another ship or Coast Guard
  • Icom IC-M804 | Instruction Manual - Page 7
    ■ Main unit front panel 1 FERRITE EMI FILTER 2 PANEL DESCRIPTION 1 13 12 FERRITE EMI FILTER 2 2 3 4 5 6 7 8 9 10 11 1 GROUND TERMINAL [GND] (p. 64) Connects to the vessel's ground. 2 DSC ANTENNA CONNECTOR (p. 62) Connects to a 50 Ω HF marine band antenna through a 50 Ω PL-259 coax for
  • Icom IC-M804 | Instruction Manual - Page 8
    tuning is completed. LL"THRU" is displayed if the tuner cannot tune the antenna. When the other antenna tuner is connected: zzPush to start manual tuning. 7 POWER KEY [ ] Hold down for 1 second to turn the transceiver ON or OFF. 3 8 VOLUME DIAL [VOL] zzRotate to adjust the speaker volume level
  • Icom IC-M804 | Instruction Manual - Page 9
    ■■Microphone 1 2 3 PANEL DESCRIPTION 2 MICROPHONE 4 ■■Software Keys Various often-used functions are assigned to the Software Keys for easy access. The function's icons are displayed above the Software Keys, as shown 2 below. DDSelecting a Software Key function Push [◄] or [►] to slide
  • Icom IC-M804 | Instruction Manual - Page 10
    2 PANEL DESCRIPTION ■■Software Keys DDFunctions You can use various Software Key functions that are assigned to the Software Keys, as described below. Compose Distress Push to compose a Distress call. (pp. 25 ~ 29) Compose Other Push to compose DSC calls other than Distress calls. (pp. 29 ~ 37)
  • Icom IC-M804 | Instruction Manual - Page 11
    PANEL DESCRIPTION 2 ■ Function display (Main screen) D Information area Status area Task area Information area The 9 digit MMSI (Maritime Mobile Service Identity: DSC self ID) code and the following indicators are displayed in the information area. 2 Indicator Description Displayed when
  • Icom IC-M804 | Instruction Manual - Page 12
    Position" will be displayed. Date and Time area •• The current time is displayed when valid GPS data is received or when the time is manually entered. •• The date information is displayed when the RMC GPS sentence formats are included in the GPS signal. Indicator Description Displayed when a GPS
  • Icom IC-M804 | Instruction Manual - Page 13
    3 PREPARATION ■ Entering the MMSI code The Maritime Mobile Service Identity (MMSI: DSC self ID) code consists of 9 digits. You can only enter the code when turning ON the transceiver for the first time. 2 This
  • Icom IC-M804 | Instruction Manual - Page 14
    4 BASIC OPERATION ■ Selecting a Channel or Group D Using the channel and group selector 1. Push [CH/GRP] to toggle between the Channel Select mode and the Group Select mode. • or is displayed. 2. Rotate [CH/GRP] to select a channel or group.  When selecting the Group Select mode, the User
  • Icom IC-M804 | Instruction Manual - Page 15
    BASIC OPERATION 4 ■ Receiving and transmitting D Receiving 1. Select a channel by rotating [CH/GRP] or pushing the Keypad keys. (p. 9) 2. When receiving a call, rotate [VOL] to adjust the audio output level. TIP: When a call is received: • RX is displayed. • You can hear received audio from the
  • Icom IC-M804 | Instruction Manual - Page 16
    • The FSK mark frequency, shift frequency, and polarity can be selected in the FSK Settings. (p. 59) • Some transceivers may operate 1.7 kHz higher than the IC-M804's J2B mode, even when the same displayed frequencies are in use. FSK terminal unit connection To pin 5 To pin 3 and 4 5 1 To pin
  • Icom IC-M804 | Instruction Manual - Page 17
    5 OTHER FUNCTIONS AND OPERATIONS ■ Backlight function The function display and keys can be backlit for better visibility under low light conditions. You can set the LCD backlight mode to Day mode or Night mode. The Day mode is for the daytime operation, and the screen items are in color. The Night
  • Icom IC-M804 | Instruction Manual - Page 18
    5 OTHER FUNCTIONS AND OPERATIONS ■ Scan The transceiver has automatic channel and frequency scan capabilities (Scan function). There are 3 types of scan functions.  CH (Channel)  CH Resume  Program D CH and CH Resume The CH and CH Resume searches within a 20 channel range, such as channel 1 to
  • Icom IC-M804 | Instruction Manual - Page 19
    5 OTHER FUNCTIONS AND OPERATIONS ■ Other functions Emergency FREQ channel Select the Distress Voice Frequency. When this channel is selected, the Voice Frequency of a DSC call can be monitored without receiving or transmitting a DSC call. 1. Push [◄] or [►] until Emergency FREQ is displayed in the
  • Icom IC-M804 | Instruction Manual - Page 20
    5 OTHER FUNCTIONS AND OPERATIONS ■ Other functions Transmit Frequency Monitor function When selecting a duplex channel, the transmit frequency differs from the receive frequency. To prevent interference to other stations, the transmit frequency should be monitored before you transmit. 1. Push [◄]
  • Icom IC-M804 | Instruction Manual - Page 21
    5 OTHER FUNCTIONS AND OPERATIONS ■ Setting a temporary operating frequency You can temporarily change the operating frequency of the selected channel. The frequency returns to the preset value after you select another channel, or turn OFF the transceiver. 1. Select a channel that is near the
  • Icom IC-M804 | Instruction Manual - Page 22
    • Operating mode • Channel name NOTE: • If the preset channels are edited, you may not be able to communicate with other vessels. • The following instructions are for User channel editing. However, you can edit an ITU Simplex channel in the same way. + Push 2. Enter an RX frequency, and then push
  • Icom IC-M804 | Instruction Manual - Page 23
    5 OTHER FUNCTIONS AND OPERATIONS Step 4. Setting a channel name You can set a channel name of up to 10 characters for each User channel or ITU Simplex channel. This may be helpful to indicate the frequency's use or a vessel's name. 1. Select "Name." Rotate + Push 2. Enter a channel name, and
  • Icom IC-M804 | Instruction Manual - Page 24
    5 OTHER FUNCTIONS AND OPERATIONS ■ Assigning a function D Assigning a Software Key function to [VOL] 1. Open "Volume Dial Assignment." [MENU] > Configuration > Key Assignment > Volume Dial Assignment 2. Select a place. Rotate D Assigning a Software Key function to [P] on the supplied microphone
  • Icom IC-M804 | Instruction Manual - Page 25
    system can transmit receiving them from the supplied GPS antenna, and receive Distress, Urgency, Safety, and Routine NMEA 0183 or NMEA 2000, or manually entering DSC calls to and from other vessels and coast stations. is needed. See page 63 for each connector If your vessel requires assistance
  • Icom IC-M804 | Instruction Manual - Page 26
    6 DSC OPERATION ■ DSC address ID 8. Select "Voice Frequency." Rotate 14. Push OK to save the ID. • The entered name is displayed. + Push 9. Enter a receive frequency, and then push Finish . Rotate + Push 10. Enter a transmit frequency, and then push Finish . Rotate + Push 11. Select "Name
  • Icom IC-M804 | Instruction Manual - Page 27
    longitude, and then push Finish . Rotate 5. Push [MENU] or Exit to return to the Main screen. • The entered position data and time and "Manual" are displayed in the Position data and Time area. + Push  To select ʻWʼ (West longitude) or ʻEʼ (East longitude), select "W" or "E" on the screen
  • Icom IC-M804 | Instruction Manual - Page 28
    6 DSC OPERATION ■ DSC Task mode After sending or receiving a DSC call, the transceiver enters the DSC Task mode. The transceiver can hold only 1 task. (Example: After transmitting an Individual call) You can resend the call or send an Acknowledgment to the caller station in the DSC Task mode. NOTE:
  • Icom IC-M804 | Instruction Manual - Page 29
    to return to the Main screen. TIP: A default Distress alert contains: • Nature of distress: Undesignated distress • Position information: The latest GPS or manually input position held for 23.5 hours or until you turn OFF the transceiver. • "Waiting for ACK" is displayed. • The Distress call is
  • Icom IC-M804 | Instruction Manual - Page 30
    6 DSC OPERATION ■ Sending DSC calls (Distress) D Regular call Select the nature of the Distress call to include in the Regular Distress call. 1. Push Compose Distress . • The "COMPOSE DISTRESS" screen is displayed.  To display the screen from the Menu screen: [MENU] > Compose Distress Step 1.
  • Icom IC-M804 | Instruction Manual - Page 31
    OFF the alarm. TIP: Transmitting: • A default Distress alert contains: -Nature of distress: Undesignated distress -Position information: The latest GPS or manually input position held for 23.5 hours or until you turn OFF the transceiver. • While holding down [DISTRESS], count down beeps sound
  • Icom IC-M804 | Instruction Manual - Page 32
    6 DSC OPERATION ■ Sending DSC calls (Distress) D Distress Cancel call If you have accidentally made a Distress call, or made an incorrect Distress call, send a Distress Cancel call to cancel the call as soon as possible while waiting for an Acknowledgment. BE SURE to report the purpose of the
  • Icom IC-M804 | Instruction Manual - Page 33
    DSC OPERATION 6 While waiting for Distress ACK 1. When "Waiting for Distress ACK" is displayed, push Cancel . 3. After sending, the following screen is displayed. Push Select FREQ . 6  See page 23 for details of the Software Key functions in the DSC Task mode. 2. Push Continue to send the
  • Icom IC-M804 | Instruction Manual - Page 34
    . You can communicate normally after receiving the Acknowledgment "ACK (able)."  You can send an Individual call to a pre-entered Individual ID or manually enter the target station ID before sending. (p. 20) 1. Push Compose Other . • The "COMPOSE NON-DISTRESS" screen is displayed.  To display the
  • Icom IC-M804 | Instruction Manual - Page 35
    the alarm. D Sending an Individual Acknowledgment When you have received an Individual call (p. 41), send an Acknowledgment to the calling station. When "Manual" is selected in "Individual ACK" (p. 49), you can select an appropriate Acknowledgment type. 1. While an Individual call is being received
  • Icom IC-M804 | Instruction Manual - Page 36
    call A Group call enables you to send a DSC call to only a specific group.  You can send a Group call to a pre-entered Group ID or manually enter the target group before sending. (p. 20) 1. Push Compose Other . • The "COMPOSE NON-DISTRESS" screen is displayed.  To display the screen from the Menu
  • Icom IC-M804 | Instruction Manual - Page 37
    a call frequency. 8. Select "Voice Frequency." Rotate + Push 9. Select a voice frequency or "Manual Input." Rotate + Push NOTE: When "Manual Input" is selected in this step, push the Keypad keys to manually enter a voice frequency. 10. Push Call to send a Group call. • "Transmitting Group
  • Icom IC-M804 | Instruction Manual - Page 38
    6 DSC OPERATION ■ Sending DSC calls (other) D Sending a Geographical Area call Send a Geographical Area call when it is necessary to send an urgent or safety message announcement to the vessels in a particular area. 1. Push Compose Other . • The "COMPOSE NON-DISTRESS" screen is displayed.  To
  • Icom IC-M804 | Instruction Manual - Page 39
    DSC OPERATION 6 When "Quadrant" is selected: You can send a Geographical Area call within the square as shown below. Your vessel's position is in the upper left corner of the square.  Example Latitude: 20˚N Height: 10˚ Longitude: 100˚E Width: 20˚ 4. Enter the width of the Geographical Area call
  • Icom IC-M804 | Instruction Manual - Page 40
    Request Acknowledgment When you have received a Position Request call, send an Acknowledgment to the calling station. When "Position ACK" is set to "Manual" (p. 49), do the following steps to send an Acknowledgment. 1. While a Position Request call is being received, push Alarm Off to turn OFF
  • Icom IC-M804 | Instruction Manual - Page 41
    call would require no further calls between the two stations involved.  You can send a Test call to a pre-entered Individual ID or manually enter the target station ID before sending. (p. 20) 1. Push Compose Other . 6 • The "COMPOSE NON-DISTRESS" screen is displayed.  To display the screen
  • Icom IC-M804 | Instruction Manual - Page 42
    a Test call Acknowledgment When you have received a Test call (p. 45), send an Acknowledgment to the calling station. When "Test ACK" is set to "Manual" (p. 49), do the following steps to send an Acknowledgment. 1. While a Test call is being received, push Alarm Off to turn OFF the alarm. 2. Push
  • Icom IC-M804 | Instruction Manual - Page 43
    DSC OPERATION 6 ■ Receiving DSC calls (Distress) The transceiver receives Distress calls, Distress Acknowledgments, Distress Cancel calls, Distress Relay calls, and Distress Relay Acknowledgments. When you receive a call, an Emergency Alarm sounds. NOTE: continuously blinks while the transceiver
  • Icom IC-M804 | Instruction Manual - Page 44
    6 DSC OPERATION ■ Receiving DSC calls (Distress) D Receiving a Distress Acknowledgment When a Distress Acknowledgment is received: • The emergency alarm sounds until it is turned OFF. • "Received Distress ACK" is displayed. 1. Push Alarm Off to turn OFF the alarm. D Receiving a Distress Cancel
  • Icom IC-M804 | Instruction Manual - Page 45
    DSC OPERATION 6 D Receiving a Distress Relay call When a Distress Relay call is received: • The emergency alarm sounds until you turn it OFF. • "Received Distress Relay" is displayed. 1. Push Alarm Off to turn OFF the alarm. D Receiving a Distress Relay Acknowledgment When a Distress Relay
  • Icom IC-M804 | Instruction Manual - Page 46
    6 DSC OPERATION ■ Receiving DSC calls (other) D Receiving an Individual call NOTE: • To receive an Individual call, push [D-SCAN] to enter the DSC watch mode. (p. 10) • When "Individual ACK" is set to "Auto (Able)" or "Auto (Unable)," the transceiver automatically sends an Acknowledgment "Able to
  • Icom IC-M804 | Instruction Manual - Page 47
    DSC OPERATION 6 D Receiving an Individual Acknowledgment When receiving "ACK (Able)": You can communicate on the frequency specified for sending the call. When receiving "ACK (Unable)": You cannot communicate further. When "ACK (Able)" is received: • The emergency alarm sounds until you turn it
  • Icom IC-M804 | Instruction Manual - Page 48
    6 DSC OPERATION ■ Receiving DSC calls (other) D Receiving an Individual Acknowledgment (Continued) When receiving "ACK (New CH)": You can communicate on the frequency specified by the called station. When "ACK (New CH)" is received: • The emergency alarm sounds until you turn it OFF. • "Received
  • Icom IC-M804 | Instruction Manual - Page 49
    DSC OPERATION 6 TIP: When Pause is pushed in step 2, the countdown will be paused. Push Resume to resume the countdown. D Receiving a Geographical Area call When a Geographical Area call is received: • The emergency alarm sounds until you turn it OFF. • "Received Geographical" is displayed. 1. Push
  • Icom IC-M804 | Instruction Manual - Page 50
    6 DSC OPERATION ■ Receiving DSC calls (other) D Receiving a Test call NOTE: When "Test ACK" is set to "Auto," the transceiver automatically sends an Acknowledgment. (p. 49) In that case, both the TX and RX calls are saved in the Transmitted and Received Call Logs. (p. 46) When a Test call is
  • Icom IC-M804 | Instruction Manual - Page 51
    DSC OPERATION 6 ■ DSC Log D Received DSC Log D Transmitted DSC Log The transceiver can save up to 50 received Distress call messages, and 50 received DSC call messages in the DSC Log. 1. Push DSC Log . • The "Received Call Log" screen is displayed.  To display the screen from the Menu screen:
  • Icom IC-M804 | Instruction Manual - Page 52
    6 DSC OPERATION ■ DSC Settings D Position Input (p. 22) D Individual ID (p. 20) D Group ID (p. 20) D DSC Frequency These frequencies are selectable when sending an Individual call, Group call, and Geographical Area call. Usually, your dealer has set all the DSC frequencies to be usable. To add a
  • Icom IC-M804 | Instruction Manual - Page 53
    DSC OPERATION 6 10. Push Save . • "Are You Sure?" is displayed. 11. Push OK to save the ID. • The entered name is displayed. 12. Push [MENU] to return to the Main screen. D Scanning Receiver You can turn the Scanning Receiver function ON or OFF on each Emergency Frequency. When selecting "
  • Icom IC-M804 | Instruction Manual - Page 54
    • Auto (Able): Automatically sends "Able to comply." • Auto (Unable): Automatically sends "Unable to comply." • Manual: Manually sends an Acknowledgment.  Position ACK Rotate + Push • Auto (Able): • Manual:  Test ACK Automatically sends an Acknowledgment with the position and time data
  • Icom IC-M804 | Instruction Manual - Page 55
    sec.: After receiving a DSC call, if Accept is not pushed within 10 seconds, the transceiver ignores the call and remains on the current operating channel. • Manual: After receiving a DSC call, you can select whether or not to accept the call. 3. Push [MENU] or Exit screen. to return to the Main
  • Icom IC-M804 | Instruction Manual - Page 56
    is entered. • The received position data has not been updated for 10 minutes. • The position data has not been manually updated for 4 hours. • The received or manually entered position data has not been updated for 23.5 hours. 1. Open "Alarm Status." [MENU] > DSC Settings > Alarm Status 2. Select
  • Icom IC-M804 | Instruction Manual - Page 57
    DSC OPERATION 6 Discrete Select whether or not to sound an alarm when receiving a lower priority DSC call while currently receiving a higher priority call. 1. Open "Alarm Status." [MENU] > DSC Settings > Alarm Status 2. Select "Discrete." Rotate + Push D Self Check Test The Self Check Test
  • Icom IC-M804 | Instruction Manual - Page 58
    7 MENU SCREEN ■ About the Menu screen The Menu screen is constructed in a tree structure and used to set items, select options, and so on for the transceiver's functions. You can go to the next tree level by pushing [ENT], or [►], and go back a level by pushing [CLR], or [◄]. L The displayed menu
  • Icom IC-M804 | Instruction Manual - Page 59
    MENU SCREEN 7 ■■Menu Construction The Menu screen is constructed in a tree structure, and the following items are described in each section. Refer to the pages in the chart for details. LLThe displayed menu items may differ, depending on the transceiver version or presetting. Compose Distress
  • Icom IC-M804 | Instruction Manual - Page 60
    7 MENU SCREEN ■■Menu Construction DSC Log Received Call Log •• Distress •• Others Transmitted Call Log Radio Settings TX Meter User CH MAX User CH ITU Simplex CH Auto Tune External Tuner Noise Reduction Scan •• Type •• Speed •• Program Scan FREQ Voice SQL IF Filter •• J2B Filter •• F1B
  • Icom IC-M804 | Instruction Manual - Page 61
    MENU SCREEN 7 ■■GPS Information Displays your position, time, Speed Over Ground (SOG), and Course Over Ground (COG) using the external GPS receiver data. ■■Configuration DDDisplays zz Backlight [MENU] > Configuration > Display > Backlight You can adjust the backlight brightness level of the Day
  • Icom IC-M804 | Instruction Manual - Page 62
    7 MENU SCREEN ■ Configuration D Inactivity Timer (Continued) For RT Related: Set the Inactivity timer to 10 sec, 30 sec, or between 1 and 10 min (in 1 minute steps). z RT Related [MENU] > Configuration > Inactivity Timer > RT Related (J3E/H3E/LSB/J2B/F1B/A1A) Setting for when the transceiver is in
  • Icom IC-M804 | Instruction Manual - Page 63
    : When the operating frequency is changed, tuning by pushing [TUNE] is needed. (p. 3) D External Tuner [MENU] > Radio Settings > External Tuner Select the external ICOM antenna tuner from AT-141, AT-130/E, AT-120/E, or AH-3. D Noise Reduction [MENU] > Radio Settings > Noise Reduction Set the Noise
  • Icom IC-M804 | Instruction Manual - Page 64
    7 MENU SCREEN ■■Radio Settings DDScan zz Type [MENU] > Radio Settings > Scan > Type Select a scan type to locate signals. LLSee pages 13 for details. •• CH/CH Resume: The CH and CH Resume searches within a 20 channel range, such as channel 1 to channel 20, in the user channels, and searches all
  • Icom IC-M804 | Instruction Manual - Page 65
    MENU SCREEN 7 D Instant Replay z Function [MENU] > Radio Settings > Instant Replay > Function ■ Radio Information Displays your transceiver's information. Turn the Instant Replay function ON or OFF. This function enables you to record the received audio and replay it. z Recording Time [MENU] >
  • Icom IC-M804 | Instruction Manual - Page 66
    8 CONNECTIONS AND INSTALLATION ■ Supplied accessories Microphone Microphone hanger and screws (3 × 16 mm) DC power cable (Red and Black) Remote control cable RCA cable (for the GPS connection) Weatherproof caps Tuner connector kit Spare fuses (APS 58 V 5 A) Ferrite EMI filter (for the DC
  • Icom IC-M804 | Instruction Manual - Page 67
    muted. •• Turn OFF [DC ISOLATE] on the Main unit, or charge the battery while at anchor. Otherwise, the battery may become exhausted. The IC-M804 has a high-stability oven heater type crystal oscillator, and the oscillator's heater is directly connected to the DC power terminals. It keeps its
  • Icom IC-M804 | Instruction Manual - Page 68
    microphone's connector is completely screwed in. Otherwise, the remote controller may lose its waterproof protection. •• DO NOT use non-Icom microphones. Other manufacturer's microphones have different pin assignments, and a connection to the remote controller may damage it. Microphone's connector
  • Icom IC-M804 | Instruction Manual - Page 69
    8 CONNECTIONS AND INSTALLATION DDConnecting the remote control cable 1. Insert the remote control cable's connector into the main unit jack on the remote controller's back panel. 2. Rotate the connector clockwise until it is completely tightened. CAUTION: BE SURE that the control cable's connector
  • Icom IC-M804 | Instruction Manual - Page 70
    not match the transceiver antenna connector. Ferrite EMI filter For details about antenna connections and installation, see the supplied AT-141 Instruction manual. RRDANGER HIGH RF VOLTAGE! NEVER touch an antenna while transmitting. It may result in an electrical shock or burn. Horizontal element
  • Icom IC-M804 | Instruction Manual - Page 71
    controller on a dashboard using the mounting bracket supplied with the transceiver. 1. Securely mount the bracket to a more than 10 mm thick surface that supports more than 2 kg, using the 5 supplied screws (5 × 20 mm). 2. Attach the remote controller to the bracket so that the face of the remote
  • Icom IC-M804 | Instruction Manual - Page 72
    bolt (6 × 15 mm) Spring washer Flat washer Mounting plate 3. Securely mount the Main unit to a surface, which is less than 25 mm thick and can support more than 15 kg. 4. Attach the 6 supplied hex head bolts (6 × 50 mm), 12 flat and spring washers, and 6 nuts, as shown below. (Torque: 3 N•m) Hex
  • Icom IC-M804 | Instruction Manual - Page 73
    8 CONNECTIONS AND INSTALLATION ■■MB-75 installation The optional MB-75 flush mount kit is for mounting the remote controller to a flat surface (less than 18 mm thick), such as an instrument panel. 1. Using the template on page 76, carefully cut a hole in the instrument panel or wherever you plan to
  • Icom IC-M804 | Instruction Manual - Page 74
    MB-108 installation The optional MB-108 mounting bracket is for mounting the Main unit to a flat surface (less than 25 mm thick and can support more than 15 kg), such as an instrument panel. The MB-108 provides a one-touch attachment or detachment. 1. Attach the mounting handles with the 6 supplied
  • Icom IC-M804 | Instruction Manual - Page 75
    8 CONNECTIONS AND INSTALLATION ■■Fuse replacement The transceiver has 2 fuses to protect internal circuitry. If the transceiver stops functioning, and only after confirming a fuse is probably blown, check the fuses below. •• DC-DC converter unit: APS 58 V 5 A •• PA unit: APS 58 V 5 A
  • Icom IC-M804 | Instruction Manual - Page 76
    8 CONNECTIONS AND INSTALLATION ■■Connector information MICROPHONE Pin Pin name Description Specification 1 MIC+ Audio input from the microphone element. Input impedance: 1.74 kΩ ± 20% 2 MIC SW Key detection. - 3 AF1 AF output controlled with [VOL]. - Connected to pin 4 in the
  • Icom IC-M804 | Instruction Manual - Page 77
    8 CONNECTIONS AND INSTALLATION REMOTE Pin RS-232C NMEA Description DCD Input terminal for carrier detection. 1 NMEA-IN− NMEA 0183 ver 4.10 data input (−). RXD Input terminal for receive data. 2 NMEA-IN+ NMEA 0183 ver 4.10 data input (+). TXD Outputs transmit data. 3 NMEA-OUT+ NMEA 0183 ver 4.
  • Icom IC-M804 | Instruction Manual - Page 78
    •• Weight (approximate): Main unit 8.6 kg Controller 760 g NOTE: The usable temperature range of the AT-141 antenna tuners is different from the IC-M804. The range is −20°C ~ +55°C. DDTransmitter •• Output power (At the tuner output): 1.6 ~ 3.9999 MHz 85 W PEP 4.0 ~ 27.5000 MHz 125 W PEP
  • Icom IC-M804 | Instruction Manual - Page 79
    mounting bracket To mount the Main unit. •• OPC-1465 shielded control cable 10 meters shielded control cable connects the AT-141 to the transceiver. •• CS-M804 programming software •• OPC-478UC programming cable 28 58 93.4 95 367 260 74
  • Icom IC-M804 | Instruction Manual - Page 80
    TROUBLESHOOTING The transceiver does not turn ON. zz There is a bad connection to the power supply. →→Check the connection between the transceiver and the power supply. (p. 65) zz The fuse is blown. →→Repair the problem and time have not been manually entered. →→Manually enter the position and time.
  • Icom IC-M804 | Instruction Manual - Page 81
    Cut here 274 252 R8 Maximum Unit: mm 114 95�4 76
  • Icom IC-M804 | Instruction Manual - Page 82
  • Icom IC-M804 | Instruction Manual - Page 83
    INDEX A Accessories 61 Alarm Status (DSC Settings 51 Antenna 65 AT-141 62 Auto ACK (DSC Settings 49 Automatic Gain Control OFF 15 Auto Tune (Radio Settings 58 B Backlight Configuration 56 Function 12 C Channel Edit 17 Group 9 List 9 Selecting 9 CH Auto Switch (DSC Settings 50 Clarity
  • Icom IC-M804 | Instruction Manual - Page 84
    INDEX M Main screen 6 Main unit Panel description 2 Max User CH (Radio Settings 58 MB-75 installation 68 MB-108 installation 69 Menu screen About 53 Construction 54 Selecting the item 53 Microphone 4 Assigning 19 Connecting 63 MMSI code Entering 8 Mounting Location 66 Main unit 67
  • Icom IC-M804 | Instruction Manual - Page 85
    MEMO
  • Icom IC-M804 | Instruction Manual - Page 86
    MEMO
  • Icom IC-M804 | Instruction Manual - Page 87
    MEMO
  • Icom IC-M804 | Instruction Manual - Page 88
    How the World Communicates A7639H-1EU-1 Printed in Japan © 2021-2022 Icom Inc. Feb. 2022 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
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INSTRUCTION MANUAL
|M804
MF/HF MARINE TRANSCEIVER