Icom IC-M803 Instruction Manual
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Icom IC-M803 Instruction Manual

Mf/hf marine transceiver
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INSTRUCTION MANUAL
MF/HF MARINE TRANSCEIVER
|M803
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.

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Summary of Contents for Icom IC-M803

  • Page 1 INSTRUCTION MANUAL MF/HF MARINE TRANSCEIVER |M803 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 2: Important

    Thank you for choosing this Icom product. This product is designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this product should provide you with years of trouble- free operation. IN CASE OF EMERGENCY...

  • Page 3: Radio Operation Warning

    RADIO OPERATION WARNING AVERTISSEMENT POUR LES OPÉRATEURS RADIO Icom requires the radio operator to meet the FCC Requirements for Radio Icom exige que l’opérateur radio se conforme Frequency Exposure. An omnidirectional aux exigences de la FCC en matière antenna with gain not greater than 9 dBi d’exposition aux radiofréquences.

  • Page 4: Fcc Information

    à ses frais. CAUTION: Changes or modifications to this transceiver, not expressly approved by Icom Inc., MISE EN GARDE: Tout changement ou modification, could void your authority to operate this transceiver non expressément approuvé...

  • Page 5: Percautions

    PERCAUTIONS R DANGER HIGH RF VOLTAGE! NEVER touch CAUTION: DO NOT use non-Icom microphones. an antenna while transmitting. This may result in an Other manufacturer’s microphones have different pin electrical shock or burn. assignments, and connection to the transceiver may damage the transceiver.

  • Page 6: Précautions

    ATTENTION : NE PAS utiliser de microphones autres une tempête. que Icom. Les microphones des autres fabricants disposent d'affectation de broches différentes, et R AVERTISSEMENT ! NE JAMAIS brancher le raccordement au l’émetteur-récepteur risque directement l’émetteur-récepteur sur une prise de...

  • Page 7: Key Icon Description

    You can use the following keys on the Menu screen. is cracked or broken, or the remote controller has been dropped. Contact your Icom distributor or your FUNCTION ACTION dealer for advice.

  • Page 8: Table Of Contents

    PREPARATION ......9 D Sending a Distress Relay antenna tuner......72 Entering the MMSI code ....9 Acknowledgment .......34 D Non-Icom Tuner ......72 MENU SCREEN ...... 10 D AT-140 automatic antenna Sending DSC calls (other) .....35 tuner ........72 D Sending an Individual call ..35 Menu Construction......10...

  • Page 9: Operating Rules

    OPERATING RULES NOTE: Before transmitting, monitor the channel you want to use to avoid interrupting communications already in progress. z RADIO LICENSES z CALL PROCEDURE Calls must be properly identified and the time limit (1) SHIP RADIO STATION LICENSE must be respected. You need a current ship radio station license before using the transceiver.

  • Page 10: Panel Description

    PANEL DESCRIPTION ■ Main unit front panel 1 SPEAKER JACK [EXT-SP] (p. 69) 6 MODEM CONNECTOR [AF/MOD] (pp. 69, 79) Connects to the optional SP-24 or an external Connects to an e-mail modem, NBDP (Narrow speaker. Band Direct Printing) or FAX system through an RS-232C cable (D-sub 9-pin).

  • Page 11: Main Unit Rear Panel

    PANEL DESCRIPTION ■ Main unit rear panel 1 TUNER CONTROL SOCKET (pp. 70, 71, 78) 4 DSC ANTENNA CONNECTOR (p. 70, 71) Connects to the control cable of the supplied Connects to a 50 Ω HF marine band antenna AT-140 hf automatic antenna tuner. A female through a 50 Ω...

  • Page 12: Remote Controller Front Panel

    PANEL DESCRIPTION ■ Remote Controller front panel 2 3 4 2 3 SPEAKER FUNCTION DISPLAY (p. 7) MICROPHONE SOFTWARE KEYS (p. 5) CONNECTOR (pp. 68, 78) 1 DISTRESS KEY [DISTRESS] 8 VOLUME DIAL [VOL] Hold down for 3 seconds to transmit a Distress call. z Rotate to adjust the speaker volume level.

  • Page 13: Optional Hm-214M

    PANEL DESCRIPTION ■ Optional HM-214M ■ 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 MICROPHONE below. D Selecting a Software Key function Push [◄] or [►] to slide through the selectable functions that are assigned to the Software Keys.

  • Page 14: D Functions

    PANEL DESCRIPTION ■ Software key function D Functions You can use various Software Key functions that are assigned to the Software Keys, as described below. Compose Distress RF Gain Push to compose a Distress call. (pp. 29 ~ 34) Push to adjust the Radio Frequency (RF) gain level. (p.

  • Page 15: Function Display (Main Screen)

    PANEL DESCRIPTION ■ Function display (Main screen) D Information area The 9 digit MMSI (Maritime Mobile Service Identity: Status area DSC self ID) code and the following indicators are Task area Information area displayed in the information area. Indicator Description Displayed when receiving a signal, or when the squelch is open.

  • Page 16: D Software Key Area

    PANEL DESCRIPTION ■ Function display D Software Key area The Key function for each Software Key is displayed. See page 5 for details. D Position and Time area Position area The current position is displayed when valid GPS data is received, or when you manually enter your position. Indicator Description Displayed when a GPS receiver is not...

  • Page 17: Preparation

    PREPARATION ■ Entering the MMSI code 6. Enter your MMSI code again to confirm. The Maritime Mobile Service Identity (MMSI: DSC self Rotate ID) code consists of 9 digits. You can only enter the code when turning ON the transceiver for the first time. This initial code can be entered only once.

  • Page 18: Menu Screen

    MENU SCREEN The Menu screen is used to set items, select options, To select an item, rotate [CH/GRP], or push [▲] and [▼]. and so on for the transceiver’s functions. ■ Menu Construction The Menu screen is constructed in a tree structure. Rotate You can go to the next tree level by pushing [ENT], or [►], and go back a level by pushing [CLR], or [◄].

  • Page 19: Selecting The Item

    MENU SCREEN ■ Selecting the item Follow the procedures described below to select a Menu screen. Example: Turning ON the Voice Squelch function. 1. Open “Voice SQL.” [MENU] > Radio Settings > Voice SQL Rotate Push Rotate Push 2. Select “On.” Rotate Push •...

  • Page 20: Basic Operation

    BASIC OPERATION ■ Selecting a channel or Group [ENT] [ENT] D Using the channel and group selector 1. Push [CH/GRP] to toggle between the Channel Keypad Select mode and the Group Select mode. keys • is displayed. 2. Rotate [CH/GRP] to select a channel or group. L When selecting the Group Select mode, the [CH/GRP] [CLR]...

  • Page 21: Receiving And Transmitting

    BASIC OPERATION ■ Receiving and transmitting D Receiving [◄]/[►] 1. Select a channel by rotating [CH/GRP], or pushing the Keypad keys. (p. 12) Keypad 2. When receiving a call, rotate [VOL] to adjust the keys audio output level. TIP: When a call is received: •...

  • Page 22: Cw Operation

    BASIC OPERATION ■ CW operation CW key connection The transceiver has the following CW keying features selectable in the Set mode, as described on page 67. z Full: Immediately returns to receive when you release the key. z Delay: Returns to receive after 0.5 seconds has passed after you stop keying.

  • Page 23: E-Mail Operation

    BASIC OPERATION ■ e-mail operation The IC-M803 is ready for HF e-mail operation— up NOTE: to 160 e-mail frequency channels, and a connection • For e-mail operation, you MUST make a contract terminal for an e-mail modem are available. with an HF e-mail provider and purchase an Independent e-mail frequencies with operating mode e-mail modem from the provider, or your dealer.

  • Page 24: Other Functions And Operations

    OTHER FUNCTIONS AND OPERATIONS ■ Backlight function ■ Scan The function display and keys can be backlit for better The transceiver has automatic channel and frequency visibility under low light conditions. scan capabilities (Scan function). There are 3 types of You can set the Backlight mode to Day mode or Night scan functions.

  • Page 25: D Program

    OTHER FUNCTIONS AND OPERATIONS ■ Using the Voice Recorder D Program The Program scan searches the selected channel The transceiver has an automatic recording function within the frequency range set by the “Start frequency” that can record the last 120 seconds of the receiving setting and the “End frequency”...

  • Page 26: Other Functions

    OTHER FUNCTIONS AND OPERATIONS ■ Other functions Squelch function Emergency FREQ channel The Squelch function mutes unwanted signals such Select the Distress Voice Frequency. When this as noise or unmodulated beat signals. This function channel is selected, the Voice Frequency of a DSC call can be monitored without receiving or transmitting enables quiet standby.
  • Page 27 OTHER FUNCTIONS AND OPERATIONS Clarity Control function Automatic Gain Control OFF With the Clarity Control function, you can slightly shift The Automatic Gain Control (AGC) function prevents the receive frequency, without changing the operating distortion from strong signals and maintains a transmit frequency, to finely tune it.

  • Page 28: Setting A Temporary Operating Frequency

    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 programmed near the 5.

  • Page 29: Setting A User Channel, An Itu Simplex Channel, Or An E-Mail Channel

    OTHER FUNCTIONS AND OPERATIONS ■ Setting a User channel, an ITU Simplex channel, or an e-mail channel Your dealer has already preset User channels, ITU 2. Enter an RX frequency, and then push Simplex channels, and e-mail channels. Rotate Follow the instructions as described below, only when you need to edit the channels.

  • Page 30: Assigning A Function

    OTHER FUNCTIONS AND OPERATIONS ■ Assigning a function ■ Setting a User channel, an ITU Simplex channel, or an e-mail channel You can assign different Software Key functions to a Step 4. Setting a channel name key between Soft Key 1 and Soft Key 20. (p. 5) You can set a channel name of up to 10 characters for each User channel, ITU Simplex channel, or You can also assign some Software Key functions to...

  • Page 31: D Assigning A Software Key Function To [Vol]

    OTHER FUNCTIONS AND OPERATIONS D Assigning a Software Key function to D Assigning a Software Key function to [VOL] [P] on the HM-214H microphone 1. Open “Volume Dial Assignment.” 1. Open “P Key Assignment.” [MENU] > Configuration > Key Assignment > [MENU] >...

  • Page 32: Dsc Operation

    DSC OPERATION ■ DSC address ID 6. Enter a receive frequency, and then push Rotate Entering an Individual or Group ID You can enter a total of 75 Individual IDs and 25 Group IDs, and assign names to them of up to 10 characters. 1.

  • Page 33: D Delete An Entered Id

    DSC OPERATION D Delete an entered ID 11. Select “Name.” (Example: Deleting an Individual ID: STATION B) Rotate 1. Open “Individual ID.” [MENU] > DSC Settings > Individual ID 2. Select the “STATION B,” and then push Push • “Are You Sure?” is displayed. 12.

  • Page 34: Entering The Position Data And Time

    DSC OPERATION ■ Entering the position data and time A Distress call should include the vessel’s position, 4. Enter the UTC time, and then push date, and time. If no GPS data is received, manually • After is pushed, the entered position enter the position and Universal Time Coordinated data and time is set, and the DSC setting screen is (UTC) time.

  • Page 35: Dsc Task Mode (Single)

    DSC OPERATION ■ DSC Task mode (Single) After sending or receiving a DSC call, the transceiver The following functions may be displayed, depending enters the DSC Task mode. on the call type. If Single Task is enabled, the transceiver can hold up only 1 task.

  • Page 36: Dsc Task Mode (Multiple)

    DSC OPERATION ■ DSC Task mode (Multiple) If Multiple Task is enabled, the transceiver can hold The following functions may be displayed, depending up to 7 tasks. You can make more than 2 DSC tasks on the call type. simultaneously by switching between the tasks. Function Description Cancel Push to send a Cancel call.

  • Page 37: Sending Dsc Calls (Distress)

    DSC OPERATION ■ Sending DSC calls (Distress) A Distress call should be sent if, in the opinion of 5. Push the captain, the vessel or a person is in distress and requires immediate assistance. NEVER MAKE A DISTRESS CALL IF YOUR VESSEL OR A PERSON IS NOT IN AN EMERGENCY.

  • Page 38: D Regular Call

    DSC OPERATION ■ Sending DSC calls (Distress) Step 3. Setting a communication frequency 1. Select “Attempt.” D Regular call Rotate Select the nature of the Distress call to include in the Regular Distress call. 1. Push • The “COMPOSE DISTRESS” screen is displayed. Push L To display the screen from the Menu screen: [MENU] >...

  • Page 39: D Resending A Distress Call

    DSC OPERATION 4. Push 5. Push 5. Hold down [PTT], and then explain your situation. 6. Hold down [PTT], and then explain your situation. 6. After you have finished your explanation, push 7. After you have finished your explanation, push , and then to return to the , and then...

  • Page 40: D Distress Cancel Call

    DSC OPERATION ■ Sending DSC calls (Distress) 3. After sending, the following screen is displayed. Push 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.
  • Page 41 DSC OPERATION While waiting for Distress ACK 3. After sending, the following screen is displayed. Push 1. When “Waiting for Distress ACK” is displayed, push 4. Select a frequency to send a voice cancel message. L See pages 27 and 28 for details of the Software Key Rotate functions in the DSC Task mode.

  • Page 42: D Sending A Distress Relay Acknowledgment

    DSC OPERATION ■ Sending DSC calls (Distress) 5. Push to send a Distress Relay Acknowledgment. D Sending a Distress Relay 6. After sending, the following screen is displayed. Acknowledgment You can send the Distress Relay Acknowledgment only after the Distress Relay call is received. 1.

  • Page 43: Sending Dsc Calls (Other)

    DSC OPERATION ■ Sending DSC calls (other) 5. Select a Call frequency, or “Manual Input.” Rotate D Sending an Individual call An Individual call enables you to send a DSC signal to only a specific station. Push You can communicate after receiving the Acknowledgment “ACK (able).”...

  • Page 44: D Sending An Individual Acknowledgment

    DSC OPERATION D Sending an Individual Acknowledgment ■ Sending DSC calls (other) When you have received an Individual call (p. 48), D Sending an Individual call (continued) send an Acknowledgment to the calling station. When 9. When you receive an Acknowledgment “Able to “Manual”...

  • Page 45: D Sending A Group Call

    DSC OPERATION D Sending a Group call 4. Confirm the contents. A Group call enables you to send a DSC call to only a specific group. Rotate L You can send a Group call to a pre-entered group address, or manually enter the address before sending. (p.
  • Page 46 DSC OPERATION ■ Sending DSC calls (other) D Sending a Group call (continued) 6. Select “Call frequency.” 10. Push to send a Group call. • “Transmitting Group Call” is displayed, and then Rotate “Group Call” is displayed. Push 7. Select a Call frequency, or “Manual Input.” L See pages 27 and 28 for details of the Software Key Rotate functions in the DSC Task mode.

  • Page 47: D Sending A Geographical Area Call

    DSC OPERATION D Sending a Geographical Area call When “Circle” is selected: You can send a Geographical Area call within the Send a Geographical Area call when it is necessary to area covered by a set nautical mile radius from your send an urgent or safety message announcement to position.
  • Page 48 DSC OPERATION ■ Sending DSC calls (other) 4. Enter the width of the Geographical Area call area, and then push D Sending a Geographical Area call (continued) Rotate When “Quadrant” is selected: You can send a Geographical Area call within the square as shown below.
  • Page 49 DSC OPERATION 11. Select a voice frequency, or “Manual Input.” Rotate Push NOTE: When you select “Manual Input” in this step, push the Keypad key to manually enter a voice frequency. 12. Push to send a Geographical Area call. • “Transmitting Geographical Call” is displayed, and then “Geographical Call”...

  • Page 50: D Sending A Test Call

    DSC OPERATION D Sending a Test call 6. Select “Call frequency.” You should avoid testing calls on the exclusive DSC Rotate Distress channels and safety calling channels. When you cannot avoid testing on a Distress or safety channel, you should indicate that these are test calls. Normally the Test call would require no further calls Push between the two stations involved.

  • Page 51: Acknowledgment

    DSC OPERATION D Sending a Test call Acknowledgment When you have received a Test call (p. 52), send an Acknowledgment to the calling station. When “Test ACK” is set to “Manual” (p. 57), do the following steps to send an Acknowledgment. 1.

  • Page 52: Receiving Dsc Calls (Distress)

    DSC OPERATION ■ Receiving DSC calls (Distress) The transceiver receives Distress calls, Distress Acknowledgments, and Distress Cancel calls. When you receive a call, an Emergency Alarm sounds. NOTE: continuously blinks while transceiver Rotate has DSC call or an unread DSC message in the Received Call Log.

  • Page 53: D Receiving A Distress Acknowledgment

    DSC OPERATION D Receiving a Distress Acknowledgment D Receiving a Distress Cancel call When a Distress Acknowledgment is received: When a Distress Cancel call is received: • The emergency alarm sounds until you turn it OFF. • The emergency alarm sounds until you turn it OFF. •...

  • Page 54: D Receiving A Distress Relay Call

    DSC OPERATION D Receiving a Distress Relay call ■ Receiving DSC calls (Distress) When a Distress Relay call is received: D Receiving a Distress Cancel call (continued) • The emergency alarm sounds until you turn it OFF. 3. Push , and then to return to •...

  • Page 55: D Receiving A Distress Relay Acknowledgment

    DSC OPERATION D Receiving a Distress Relay 3. Push , and then to return to the Main screen. Acknowledgment When a Distress Relay Acknowledgment is received: TIP: When you push in step 2, the • The emergency alarm sounds until you turn it OFF. countdown will be paused.

  • Page 56: Receiving Dsc Calls (Other)

    DSC OPERATION ■ Receiving DSC calls (other) 3. Push a key to select an Acknowledgment option. • The Call Contents screen is displayed D Receiving an Individual call NOTE: • When the “Individual ACK” is set to “Auto (Able)” or “Auto (Unable),” the transceiver automatically sends an Acknowledgment “Able to comply”...

  • Page 57: D Receiving An Individual Acknowledgment

    DSC OPERATION D Receiving an Individual Acknowledgment When receiving “ACK (Able)”: When receiving “ACK (Unable)”: You can communicate on the frequency that you You cannot communicate further. specified when sending the call. 1. When “ACK (Unable)” is received: 1. When “ACK (Able)” is received: •...

  • Page 58: D Receiving A Group Call

    DSC OPERATION D Receiving a Group call ■ Receiving DSC calls (other) NOTE: To receive an Group call, push [D-SCAN] to D Receiving an Individual Acknowledgment (continued) enter the DSC watch mode. (p. 13) When receiving “ACK (New CH)”: You can communicate on the frequency that the called station proposed.

  • Page 59: D Receiving A Geographical Area Call

    DSC OPERATION 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. Rotate 1. Push to turn OFF the alarm. • Monitor the Voice frequency that the calling station specified.

  • Page 60: D Receiving A Test Call

    DSC OPERATION ■ Receiving DSC calls (other) D Receiving a Test call NOTE: When the “Test ACK” is set to “Auto,” the D Receiving a Geographical Area call (continued) transceiver automatically sends an Acknowledgment. 3. Push , and then to return to (p.

  • Page 61: D Receiving A Test Acknowledgment

    DSC OPERATION D Receiving a Test Acknowledgment When a Test Acknowledgment is received: • The alarm sounds until you turn it OFF. • “Received Test ACK” is displayed. 1. Push to turn OFF the alarm. 2. Push Rotate L Rotate [CH/GRP] to confirm the call contents. L See pages 27 and 28 for details of the Software Key functions in the DSC Task mode.

  • Page 62: Dsc Log

    DSC OPERATION ■ DSC Log NOTE: Rotate • On the Main screen, is displayed when there is an unread DSC message. • On the Main screen, blinks when a new DSC message is received. • On the Main screen, no icon is displayed when there are no DSC message.

  • Page 63: Dsc Settings

    DSC OPERATION ■ DSC Settings 6. Enter a receive frequency, and then push Rotate D Position Input (p. 26) D Individual ID (p. 24) D Group ID (p. 24) D DSC Frequency Push This set frequencies are selectable when you want to send an Individual call, Group call, and Geographical Area call.

  • Page 64: D Scanning Receiver

    DSC OPERATION D Scanning Receiver ■ DSC Settings You can turn the Scanning Receiver function ON or D DSC Frequency (continued) OFF on each Emergency Frequency. 11. Push to save the ID. When selecting “Distress frequency” • The entered name is displayed. NOTE: You cannot turn OFF the function on 2187.5 kHz and 8414.5 kHz, and 1 of the remaining 4 frequencies.

  • Page 65: D Auto Ack

    DSC OPERATION D Auto ACK The Auto ACK function automatically sends an Acknowledgment when an appropriate request is received. When selecting or editing “Routine frequency” 1. Open “Auto ACK.” 1. Open “Routine.” [MENU] > DSC Settings > Auto ACK [MENU] > DSC Settings > Scanning Receiver > Rotate 2.

  • Page 66: D Ch Auto Switch

    DSC OPERATION D Alarm Status ■ DSC Settings Sets the alarm ON or OFF when receiving each type D CH Auto Switch of DSC call. By regulation, after receiving a DSC call, the transceiver Safety/Routine automatically switches the operating channel to the displayed frequency.
  • Page 67 DSC OPERATION 3. Select an option. Rotate 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.” Push [MENU] > DSC Settings > Alarm Status •...

  • Page 68: D Self Check Test

    DSC OPERATION ■ DSC Settings D Self Check Test The Self Check test sends DSC signals to the receiving AF circuit to compare the sending and receiving signals at the AF level. 1. Open “Self Check Test.” [MENU] > DSC Settings > Self Check Test 2.

  • Page 69: Menu Items

    MENU ITEMS ■ Menu items D Radio Settings Item Reference The Menu screen is constructed in a tree structure. — p. 21 User CH (p.10) — MAX User CH p. 65 NOTE: See page 11 about how to select each Menu —...

  • Page 70: Gps Information

    MENU ITEMS ■ GPS Information z Night Mode Time [MENU] > Configuration > Display > Displays the data received by the external GPS receiver. Night Mode Time Set the start time and end time of Night mode. Rotate Push ■ Configuration D Key Beep D Displays [MENU] >...

  • Page 71: Not Dsc Related

    MENU ITEMS D Inactivity Timer For RT Related: [MENU] > Configuration > Inactivity Timer Set the Inactivity timer to 10 sec, 30 sec, or between 1 and 10 min (in 1 minute steps). The transceiver automatically returns to the Main screen if you push no key for the set period time for each mode.

  • Page 72: Gps External Gps

    MENU ITEMS D Remote ■ Configuration z Interface D GPS (continued) [MENU] > Configuration > Remote > Interface z External GPS Select the interface format for the remote connector [MENU] > Configuration > GPS > External GPS from NMEA or RS-232C. Select the data transfer speed to receive data from an external GPS receiver from 4800, 9600, 19200, 38400 bps.

  • Page 73: Radio Settings

    MENU ITEMS ■ Radio Settings D Noise Reduction [MENU] > Radio Settings > Noise Reduction D User CH (p. 21) Set the Noise Reduction level to between 1 and 10, or D e-mail CH (p. 21) OFF. D ITU Simplex CH (p. 21) D Max User CH [MENU] >...

  • Page 74: Program Scan Freq

    MENU ITEMS D IF Filter ■ Radio Settings [MENU] > Radio Settings > IF Filter D Scan (continued) z Program Scan FREQ Select the IF Filter passband width for the AFSK and FSK mode operation from Wide, Middle, and Narrow. [MENU] >...

  • Page 75: Radio Information

    MENU ITEMS D Instant Replay z Shift Frequency z Function [MENU] > Radio Settings > FSK > Shift Frequency [MENU] > Radio Settings > Instant Replay > Function Set the FSK shift frequency for the FSK operation from 170, 200, 425, and 850 kHz. Turn the Instant Replay function ON or OFF.

  • Page 76: Connections And Installation

    Otherwise, the remote 2. Rotate the connector clockwise until it is controller may lose its waterproof protection. completely tightened. • DO NOT use non-Icom microphones. Other manufacturer’s microphones have diff erent pin assignments, and connection to the remote controller may damage it.

  • Page 77: D Connecting The Remote Control Cable

    CONNECTIONS AND INSTALLATION D Connecting the remote control cable 1. Insert the remote control cable’s connector into the CAUTION: Be sure that the control cable’s main unit jack on the remote controller’s back panel. connector is screwed to the remote controller’s back 2.

  • Page 78: D Rear Panel Connections

    (10 m, 32.8 ft, purchase separately) 12 V battery CAUTION: NOTE: Disconnect the battery from the IC-M803 • After connecting an antenna, tuner control cables, Main unit, or charge the battery while at anchor, external speaker, or GPS receiver, cover the otherwise the battery may become exhausted.

  • Page 79: Ground Connection

    CONNECTIONS AND INSTALLATION ■ Ground connection The transceiver and antenna tuner must have an Best ground points adequate RF ground connection. Otherwise, the • External ground plate efficiency of the transceiver and antenna tuner may • Copper screen be reduced. Also, electrolysis, electrical shocks, and •...

  • Page 80: Antenna

    (p. 68) See page 78 for pin assignment. Control cable (user supplied) D Non-Icom Tuner D AT-140 automatic antenna tuner Some non-Icom tuners may be used with the IC-M803. See page 70. Ask your dealer if you wish to connect one.

  • Page 81: Mounting

    CONNECTIONS AND INSTALLATION ■ Mounting D Mounting location D Mounting the Main unit Select a location that provides easy access to the You can mount the Main unit using the mounting controller for navigation safety, has proper ventilation, bracket supplied with your transceiver. and is not subject to sea spray.

  • Page 82: Installation

    CONNECTIONS AND INSTALLATION ■ MB-75 installation The optional MB-75 flush mount kit is for mounting the CAUTION: KEEP the transceiver and microphone remote controller to a flat surface (less than 18 mm at least 1 meter (3.3 ft) away from your vessel’s thick), such as an instrument panel.

  • Page 83: Transceiver Dimensions

    CONNECTIONS AND INSTALLATION ■ Transceiver dimensions 274 (10.8) 250 (9.8) 28 (1.1) 58 (2.3) 238 (9.4) 240 (9.4) Unit: mm (inch)

  • Page 84: Fuse Replacement

    CONNECTIONS AND INSTALLATION ■ Fuse replacement D Circuitry fuse 3. Replace the circuitry fuse, as shown in the diagram below. The transceiver has two kind of fuses to protect internal circuitry. CAUTION: Two fuses for the fuse holder on the DC power cable, •...

  • Page 85: D Dc Power Cable Fuses

    CONNECTIONS AND INSTALLATION D DC power cable fuses If a fuse blows, or the transceiver stops functioning, find and repair the cause of the problem. Then replace the damaged fuse with a new adequately rated fuse. L Spare fuses are supplied with the transceiver. The fuses are installed in the DC power cable and in the inside circuitry, to protect the transceiver.

  • Page 86: Connector Information

    CONNECTIONS AND INSTALLATION ■ Connector information Pin Pin name Description Specification CW and FSK keying input. Input level: –0.5 to 0.8 V Ground line for AF signal. – AF GND Input/Output pin. Ground level: –0.5 to 0.8 V SEND Ground this pin to transmit. Input current: Less than 20 mA Modulator input.
  • Page 87 CONNECTIONS AND INSTALLATION AF/MOD Pin Pin name Description Specification Modulation input from an external Input impedance: More than 600 Ω terminal unit. Input level: Approximately MOD+ 0.77 V rms Coaxial ground for MOD+. – MOD– Ground for digital equipment. – AF detector output for an external Output impedance: Less than 600 Ω...

  • Page 88: Specifications And Options

    760 g (1.7 lb) More than 70 dB NOTE: The usable temperature ranges of the • Audio output power: AT-140, AT-130, AT-120, and AH-3 antenna tuners 4 W at 10 % distortion into a 4 Ω load are different from the IC-M803. • CLARITY variable range: • AT-140/AT-130/AT-120: ±150 Hz –30°C ~ +60°C (–22°F ~ +140°F). • AH-3: –10°C ~ +60°C (+14°F ~ +140°F).
  • Page 89 SPECIFICATIONS AND OPTIONS ■ Options D Antenna tuner • AT-130/AT-140 automatic antenna tuner Matches the transceiver to a long wire antenna with little insertion loss. D Antenna • AH-710 folded dipole antenna Covers from 1.9 to 30 MHz band. Has an SO-239 connector. Easy to assemble (non- kink construction).

  • Page 90: Troubleshooting

    TROUBLESHOOTING The transceiver does not turn ON. z Bad connection to the power supply. →Check the connection between the transceiver and the power supply. (p. 71) z The fuse is blown. →Repair the problem, and then replace the fuse. (pp. 76, 77) Little or no sound comes from the speaker.

  • Page 91: Template

    114 (4 ⁄ 95.4 (3 ⁄...

  • Page 93: Index

    INDEX DSC Task mode Multiple ����������������������������������������������������������������� 28 Accessories �������������������������������������������������������������� 68 Single ������������������������������������������������������������������� 27 Alarm Status (DSC Settings) ������������������������������������ 58 Antenna �������������������������������������������������������������������� 72 AT-130/AT-120/AH-3 ������������������������������������������������� 72 AT-140 ���������������������������������������������������������������������� 70 e-mail Auto ACK (DSC Settings) ����������������������������������������� 57 Channel ���������������������������������������������������������������� 21 Automatic Gain Control OFF ������������������������������������ 19 Filter ���������������������������������������������������������������������...
  • Page 94 INDEX IF Filter (Radio Settings)������������������������������������������� 66 Radio Information ����������������������������������������������������� 67 Indicators �������������������������������������������������������������������� 7 Receiving ������������������������������������������������������������������ 13 Individual Acknowledgment Remote (Configuration) �������������������������������������������� 64 Receiving �������������������������������������������������������������� 49 Remote controller Sending ���������������������������������������������������������������� 36 Panel description ���������������������������������������������������� 4 Individual call RF Gain Level����������������������������������������������������������� 18 Receiving ��������������������������������������������������������������...
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