Instruction Manual
Page 2
... salt crystallization. struction manual contains important operating instructions for optimum use. We appreciate you making the IC-M412 your IC-M412. i IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using Icom's MA-500TR Class B AIS Transponder Icom, Icom Inc. NOTE Recommended for the IC-M412. CLEAN THE TRANSCEIVER AND MICROPHONE THOROUGHLY WITH FRESH WATER after exposure to water including salt water, otherwise, the keys and switches may become inoperable...
... salt crystallization. struction manual contains important operating instructions for optimum use. We appreciate you making the IC-M412 your IC-M412. i IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using Icom's MA-500TR Class B AIS Transponder Icom, Icom Inc. NOTE Recommended for the IC-M412. CLEAN THE TRANSCEIVER AND MICROPHONE THOROUGHLY WITH FRESH WATER after exposure to water including salt water, otherwise, the keys and switches may become inoperable...
Instruction Manual
Page 7
... call 18 n Transmitting DSC calls 21 n Receiving DSC calls 34 n Received messages 41 n Automatic acknowledgement 43 n Offset time 43 7 SET MODE 44-47 n Set mode programming 44 n Set mode items 45 8 CONNECTIONS AND MAINTENANCE 48-51 n Connections 48 n Antenna 49 n Fuse replacement 49 n Cleaning 49 n Mounting the transceiver 50 n Optional MB-69 installation 51 9 TROUBLESHOOTING 52 10 SPECIFICATIONS AND OPTION 53-55 n Specifications 53 n Option 55 11 CHANNEL LIST 56 12 TEMPLATE...
... call 18 n Transmitting DSC calls 21 n Receiving DSC calls 34 n Received messages 41 n Automatic acknowledgement 43 n Offset time 43 7 SET MODE 44-47 n Set mode programming 44 n Set mode items 45 8 CONNECTIONS AND MAINTENANCE 48-51 n Connections 48 n Antenna 49 n Fuse replacement 49 n Cleaning 49 n Mounting the transceiver 50 n Optional MB-69 installation 51 9 TROUBLESHOOTING 52 10 SPECIFICATIONS AND OPTION 53-55 n Specifications 53 n Option 55 11 CHANNEL LIST 56 12 TEMPLATE...
Instruction Manual
Page 10
... scan. ➥ H old down for 1 second to set the DSC menu, a channel comment, etc. w SQUELCH CONTROL [SQL] (p. 7) Rotate to set or clear all tag channels in the selected channel group. e DISTRESS KEY [DISTRESS] (p. 18) Hold down for 3 seconds to adjust the audio level. 2 PANEL DESCRIPTION n Front panel Speaker i o !0 Function display (p. 4) q uytr e w q POWER • VOLUME CONTROL [VOL] ➥ R otate to turn ON the power to set the squelch...
... scan. ➥ H old down for 1 second to set the DSC menu, a channel comment, etc. w SQUELCH CONTROL [SQL] (p. 7) Rotate to set or clear all tag channels in the selected channel group. e DISTRESS KEY [DISTRESS] (p. 18) Hold down for 3 seconds to adjust the audio level. 2 PANEL DESCRIPTION n Front panel Speaker i o !0 Function display (p. 4) q uytr e w q POWER • VOLUME CONTROL [VOL] ➥ R otate to turn ON the power to set the squelch...
Instruction Manual
Page 11
... Weather channel. (pp. 5, 6) ➥ Hold down for 1 second to display the MMSI code on the channel comment display. release to receive. (p. 7) w CHANNEL UP/DOWN KEYS [Y]/[Z] ➥ P ush to select the operating channels, Set mode settings, DSC menu items, etc. (pp. 5, 6, 13, 44) ➥ W hile scanning, checks TAG channels, changes scanning direction or manually resumes the scan. (p. 11) e TRANSMIT POWER KEY [HI/LO] ➥ P ush to select the output power high or low. (p. 7) • Some channels are set to low power...
... Weather channel. (pp. 5, 6) ➥ Hold down for 1 second to display the MMSI code on the channel comment display. release to receive. (p. 7) w CHANNEL UP/DOWN KEYS [Y]/[Z] ➥ P ush to select the operating channels, Set mode settings, DSC menu items, etc. (pp. 5, 6, 13, 44) ➥ W hile scanning, checks TAG channels, changes scanning direction or manually resumes the scan. (p. 11) e TRANSMIT POWER KEY [HI/LO] ➥ P ush to select the output power high or low. (p. 7) • Some channels are set to low power...
Instruction Manual
Page 12
... operating channel number. • "A" appears when a simplex channel is selected. ➥ In the Set mode, displays the selected option. (p. 44) o LOW POWER ICON (p. 7) Appears when low power is selected. !2 BUSY ICON (p. 7) Appears when receiving a signal or when the squelch opens. !3 TRANSMIT ICON (p. 7) Appears while transmitting. "USA," International "INT" or Canadian "CAN" channel group is selected. !1 CALL CHANNEL ICON (p. 5) Appears when the Call channel is selected. !0 CHANNEL GROUP ICON (p. 6) Indicates whether a U.S.A. blinks when an alert tone...
... operating channel number. • "A" appears when a simplex channel is selected. ➥ In the Set mode, displays the selected option. (p. 44) o LOW POWER ICON (p. 7) Appears when low power is selected. !2 BUSY ICON (p. 7) Appears when receiving a signal or when the squelch opens. !3 TRANSMIT ICON (p. 7) Appears while transmitting. "USA," International "INT" or Canadian "CAN" channel group is selected. !1 CALL CHANNEL ICON (p. 5) Appears when the Call channel is selected. !0 CHANNEL GROUP ICON (p. 6) Indicates whether a U.S.A. blinks when an alert tone...
Instruction Manual
Page 15
... the micro- rectly set the squelch. BASIC OPERATION 3 n Receiving and transmitting CAUTION: Transmitting without an antenna may be used for the TOT (Time-out Timer) function The TOT function inhibits continuous transmission over a preprogrammed time period after holding down . 7 q Rotate [VOL] to adjust the audio output level. ➥ Rotate [SQL] clockwise until the noise just disappears. While in the DSC operation, please make sure you cor...
... the micro- rectly set the squelch. BASIC OPERATION 3 n Receiving and transmitting CAUTION: Transmitting without an antenna may be used for the TOT (Time-out Timer) function The TOT function inhibits continuous transmission over a preprogrammed time period after holding down . 7 q Rotate [VOL] to adjust the audio output level. ➥ Rotate [SQL] clockwise until the noise just disappears. While in the DSC operation, please make sure you cor...
Instruction Manual
Page 16
... displayed channel as the Call channel. • Push [CLR] to cancel, if desired. • T he channel number starts blinking. q Push [U/I/C] (both [Y] and [Z]) one or more than 7 characters long, automatically scrolls. 3 BASIC OPERATION n Call channel programming The Call channel is used . However, you can be labeled with an often-used channel, for 3 seconds (until a long beep changes to two short beeps) to enter the Call channel programming mode. • T he channel number stops blinking. 8 n Channel...
... displayed channel as the Call channel. • Push [CLR] to cancel, if desired. • T he channel number starts blinking. q Push [U/I/C] (both [Y] and [Z]) one or more than 7 characters long, automatically scrolls. 3 BASIC OPERATION n Call channel programming The Call channel is used . However, you can be labeled with an often-used channel, for 3 seconds (until a long beep changes to two short beeps) to enter the Call channel programming mode. • T he channel number stops blinking. 8 n Channel...
Instruction Manual
Page 17
... the microphone, turn ON the power to activate the AquaQuake function. • W hile continuing to push [Y] and [Z], a low beep tone sounds to drain water, regardless of the LCD and key backlight. • T he backlight is activated, the transceiver never accepts any key operations. • Release [Y] and [Z] to cancel the AquaQuake function. 9 ity under low light conditions. 3 You can also adjust the display backlight...
... the microphone, turn ON the power to activate the AquaQuake function. • W hile continuing to push [Y] and [Z], a low beep tone sounds to drain water, regardless of the LCD and key backlight. • T he backlight is activated, the transceiver never accepts any key operations. • Release [Y] and [Z] to cancel the AquaQuake function. 9 ity under low light conditions. 3 You can also adjust the display backlight...
Instruction Manual
Page 18
... communication use. (Refer to locate signals quickly over a wide frequency range. Clear any TAG channels which inconveniently stop scanning, such as a TAG channel. 10 CH 05 CH 04 Normal scan, like Priority scan, searches through all TAG channels in sequence, while monitoring Channel 16. 4 SCAN OPERATION n Scan types Scanning is an efficient way to the next page for details.) Choose Priority or Normal scan in the Set mode. (p. 45) PRIORITY SCAN...
... communication use. (Refer to locate signals quickly over a wide frequency range. Clear any TAG channels which inconveniently stop scanning, such as a TAG channel. 10 CH 05 CH 04 Normal scan, like Priority scan, searches through all TAG channels in sequence, while monitoring Channel 16. 4 SCAN OPERATION n Scan types Scanning is an efficient way to the next page for details.) Choose Priority or Normal scan in the Set mode. (p. 45) PRIORITY SCAN...
Instruction Manual
Page 19
... display when a signal is received on Channel 16 during Priority scan. • W hen a signal is closed to manually resume the scan. w Set TAG channels as TAG channels. w Select a desired channel to set as a TAG channel. • " " appears. e Make sure the squelch is detected, the scan pauses until the signal disappears or resumes after pausing 5 seconds, depending on the microphone, hold down [TAG](SCAN) for 3 seconds (until a long beep changes...
... display when a signal is received on Channel 16 during Priority scan. • W hen a signal is closed to manually resume the scan. w Set TAG channels as TAG channels. w Select a desired channel to set as a TAG channel. • " " appears. e Make sure the squelch is detected, the scan pauses until the signal disappears or resumes after pausing 5 seconds, depending on the microphone, hold down [TAG](SCAN) for 3 seconds (until a long beep changes...
Instruction Manual
Page 26
..., GNS, GLL) compatible GPS receiver is being received. Scrolls e After transmitting the Distress call, the transceiver waits for about suitable GPS receivers. ➥ 'Latitude,' 'Longitude' and UTC time data scroll in sequence in the channel comment display. • Channel comments are displayed for an acknowledgment call. • T he Distress call is automatically transmitted every 3.5 to transmit the Distress call. • Emergency channel (Channel 70) is...
..., GNS, GLL) compatible GPS receiver is being received. Scrolls e After transmitting the Distress call, the transceiver waits for about suitable GPS receivers. ➥ 'Latitude,' 'Longitude' and UTC time data scroll in sequence in the channel comment display. • Channel comments are displayed for an acknowledgment call. • T he Distress call is automatically transmitted every 3.5 to transmit the Distress call. • Emergency channel (Channel 70) is...
Instruction Manual
Page 29
... instruction manual for 23.5 hours or until the power is turned OFF. ➥The Distress call function allows you to enter the target's MMSI code. DSC OPERATION 6 i A fter receiving the acknowledgment, reply using the transponder, without needing to transmit a DSC sig- Scrolls ➥A distress alert contains (default); • Nature of distress: Selected nature of the DSC function, please make sure you set the squelch correctly. (p. 7) D Transmitting...
... instruction manual for 23.5 hours or until the power is turned OFF. ➥The Distress call function allows you to enter the target's MMSI code. DSC OPERATION 6 i A fter receiving the acknowledgment, reply using the transponder, without needing to transmit a DSC sig- Scrolls ➥A distress alert contains (default); • Nature of distress: Selected nature of the DSC function, please make sure you set the squelch correctly. (p. 7) D Transmitting...
Instruction Manual
Page 30
... "MANUAL INPUT" is selected, set the 9-digit MMSI ID code for the individual you wish to call with [Y] or [Z]. (See About Manual Inputting at the right column.) r Push [Y] or [Z] to transmit the Individual call (Continued) e Push [Y] or [Z] to the next step after pushing [ENT]. 6 DSC OPERATION n Transmitting DSC calls D Transmitting an Individual call . • If Channel 70 is busy, the transceiver...
... "MANUAL INPUT" is selected, set the 9-digit MMSI ID code for the individual you wish to call with [Y] or [Z]. (See About Manual Inputting at the right column.) r Push [Y] or [Z] to transmit the Individual call (Continued) e Push [Y] or [Z] to the next step after pushing [ENT]. 6 DSC OPERATION n Transmitting DSC calls D Transmitting an Individual call . • If Channel 70 is busy, the transceiver...
Instruction Manual
Page 33
... has been transmitted, the specified channel (specified by the calling station) is automatically selected when "ABLE" is selected. Or the display returns to enter the DSC menu. q Push [MENU] to the previous screen (before entering the DSC menu) when "UNABLE" is selected, set the 8-digit MMSI ID code for the group you to transmit a DSC signal to a specific group only...
... has been transmitted, the specified channel (specified by the calling station) is automatically selected when "ABLE" is selected. Or the display returns to enter the DSC menu. q Push [MENU] to the previous screen (before entering the DSC menu) when "UNABLE" is selected, set the 8-digit MMSI ID code for the group you to transmit a DSC signal to a specific group only...
Instruction Manual
Page 36
... in advance. (p. 14) • W hen "MANUAL INPUT" is busy, the transceiver stands by until the channel becomes clear. w Push [Y] or [Z] to enter the DSC menu. Scrolls Transmitting y After the Position Request call . • If Channel 70 is selected, set the 9-digit MMSI ID code for the individual can be set in the channel comment display. q Push [MENU] to select "POS REQUEST," then push...
... in advance. (p. 14) • W hen "MANUAL INPUT" is busy, the transceiver stands by until the channel becomes clear. w Push [Y] or [Z] to enter the DSC menu. Scrolls Transmitting y After the Position Request call . • If Channel 70 is selected, set the 9-digit MMSI ID code for the individual can be set in the channel comment display. q Push [MENU] to select "POS REQUEST," then push...
Instruction Manual
Page 38
... the communication area, or not. t Push [ENT] to transmit the Polling Request call has been transmitted, return to know a specific ship is busy, the transceiver stands by until the channel becomes clear. Scrolls e Push [Y] or [Z] to select a desired pre-programmed Individual address or "MANUAL INPUT," then push [ENT]. • The ID code for the individual can be set in step e.
... the communication area, or not. t Push [ENT] to transmit the Polling Request call has been transmitted, return to know a specific ship is busy, the transceiver stands by until the channel becomes clear. Scrolls e Push [Y] or [Z] to select a desired pre-programmed Individual address or "MANUAL INPUT," then push [ENT]. • The ID code for the individual can be set in step e.
Instruction Manual
Page 40
... on the distress/safety channel is automatically selected and "READY" appears in advance. (p. 14) • W hen "MANUAL INPUT" is busy, the transceiver stands by using other methods. t Push [ENT] to normal operation (before entering the DSC menu). q Push [MENU] to select "TEST CALL," and then push [ENT]. Scrolls 32 Scrolls When testing on page 22.) Transmitting y After the Test...
... on the distress/safety channel is automatically selected and "READY" appears in advance. (p. 14) • W hen "MANUAL INPUT" is busy, the transceiver stands by using other methods. t Push [ENT] to normal operation (before entering the DSC menu). q Push [MENU] to select "TEST CALL," and then push [ENT]. Scrolls 32 Scrolls When testing on page 22.) Transmitting y After the Test...
Instruction Manual
Page 52
... [16], turn power ON. • To select the item: Push .( ) • To exit Set mode: Turn power OFF, then ON again. • Dual/Tri-watch , Operation beep, LCD backlight, LCD contrast, AF level adjustment, Favorite channel and Remote ID. Available functions may differ, depending on dealer setting. r Push [16] to enter the Set mode. • "SCAN" appears in the channel comment display. 7 SET MODE n Set mode programming Set mode is used to change the settings of...
... [16], turn power ON. • To select the item: Push .( ) • To exit Set mode: Turn power OFF, then ON again. • Dual/Tri-watch , Operation beep, LCD backlight, LCD contrast, AF level adjustment, Favorite channel and Remote ID. Available functions may differ, depending on dealer setting. r Push [16] to enter the Set mode. • "SCAN" appears in the channel comment display. 7 SET MODE n Set mode programming Set mode is used to change the settings of...
Instruction Manual
Page 53
... received on any time during standby or while scanning. 6 • "WX ALT" appears instead of "WX" indication when the function is 5 operated. The previously selected (used) weather channel is checked any other channel than Channel 16. When the Weather 4 Alert function is turned ON, the transceiver detects the alert, then the "WX ALT" icon blinks until the signal disappears. 1 2 D Weather alert A NOAA broadcast station transmits a weather alert tone 3 before important weather information. Normal scan...
... received on any time during standby or while scanning. 6 • "WX ALT" appears instead of "WX" indication when the function is 5 operated. The previously selected (used) weather channel is checked any other channel than Channel 16. When the Weather 4 Alert function is turned ON, the transceiver detects the alert, then the "WX ALT" icon blinks until the signal disappears. 1 2 D Weather alert A NOAA broadcast station transmits a weather alert tone 3 before important weather information. Normal scan...
Instruction Manual
Page 60
...; Change channels. p. 46 Distress calls cannot • M MSI (DSC self ID) code is too high. be selected. • The output power is too low. p. 13 52 s o u n d c o m e s f r o m • Volume level is set to low. • Push [HI/LO] on the microphone to the power supply. p. 11 No beeps. • Beep tones are turned OFF. • Turn the beep tone ON in the Set mode. grammed. 9 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does...
...; Change channels. p. 46 Distress calls cannot • M MSI (DSC self ID) code is too high. be selected. • The output power is too low. p. 13 52 s o u n d c o m e s f r o m • Volume level is set to low. • Push [HI/LO] on the microphone to the power supply. p. 11 No beeps. • Beep tones are turned OFF. • Turn the beep tone ON in the Set mode. grammed. 9 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does...