!IC-M402A_SA_draft.qxd 03.10.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page i (1,1) New2001 FOREWORD IMPORTANT Thank you for purchasing this Icom product. The IC-M402A/M402SA VHF MARINE TRANSCEIVERS are 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.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page ii (1,1) New2001 IN CASE OF EMERGENCY NOTE If your vessel requires assistance, contact other vessels and the Coast Guard by sending a distress call on Channel 16. A WARNING STICKER is supplied with the transceiver. To comply with FCC regulations, this sticker must be affixed in such a location as to be readily seen from the operating controls of the radio as in the diagram below. Make sure the chosen location is clean and dry before applying the sticker.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page iii (1,1) New2001 RADIO OPERATOR WARNING Icom requires the radio operator to meet the FCC Requirements for Radio Frequency Exposure.An omnidirectional antenna with gain not greater than 9 dBi must be mounted a minimum W ARN ING of 5 meters (measured from the lowest point of the antenna) vertically above the main deck and all possible personnel. This is the minimum safe separation distance estimated to meet all RF exposure compliance requirements.
!IC-M402A_SA_draft.qxd 03.10.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page v (1,1) New2001 PRECAUTION RWARNING! NEVER connect the transceiver to an AC BE CAREFUL! The transceiver rear panel will become outlet. This may pose a fire hazard or result in an electric shock. hot when operating continuously for long periods. Place the transceiver in a secure place to avoid inadvertent use by children. CAUTION: Changes or modifications to this device, not expressly approved by Icom Inc.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 1 (1,1) OPERATING RULES D PRIORITIES • Read all rules and regulations pertaining to priorities and keep an up-to-date copy handy. Safety and distress calls take priority over all others. • You must monitor Channel 16 when you are not operating on another channel. • False or fraudulent distress signals are prohibited and punishable by law. D PRIVACY • Information overheard but not intended for you cannot lawfully be used in any way.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 2 (1,1) New2001 2 PANEL DESCRIPTION ■ Front panel Speaker i q Function display u y t r r SCAN KEY [SCAN•TAG] ➥ Starts and stops Normal or Priority scan. ➥ Sets or clears the displayed channel as a tag (scanned) channel when pushed for 1 sec. ➥ While pushing [HI/LO] on the microphone, push for 3 sec. to clear or set all tag channels in the selected channel group.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 3 (1,1) New2001 PANEL DESCRIPTION Y]/[Z Z]•[U/I/C] u CHANNEL UP/DOWN KEYS [Y ➥ Selects the operating channels, Set mode settings, etc. (pgs. 6, 7, 14) ➥ While pushing [SCAN•TAG], push [Y] or [Z] to adjust the brightness of the LCD and key backlight. (p. 10) ➥ Selects one of 3 regular channels in sequence when both keys are pushed. (p. 7) 2 2 • International, U.S.A. and Canadian channels are available for regular channels.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 4 (1,1) New2001 2 PANEL DESCRIPTION ■ Function display q w r TAG CHANNEL INDICATOR (p. 13) Appears when a tag channel is selected. e r t y u i o !0 !2 !1 q CHANNEL NUMBER READOUT ➥ Indicates the selected operating channel number. • “ ” appears when a simplex channel is selected. “ ” appears when a receive only channel for a Canadian channel group is selected. (p. 7) ➥ In Set mode, indicates the selected condition. (p. 14) w TRANSMIT INDICATOR (p.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 5 (1,1) New2001 PANEL DESCRIPTION 2 ■ Microphone !1 CHANNEL COMMENT INDICATOR ➥ Channel comment appears if programmed. (p. 10) ➥“ ” scrolls when the battery voltage drops to approx. 10 V DC or below. ➥ “ ” blinks during Dualwatch; “ ” blinks during Triwatch. (p. 11) !2 CHANNEL GROUP INDICATOR (p. 7) Indicates whether a U.S.A. “U,” International “I” or Canadian “C” channel is in use.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 6 (1,1) New2001 3 BASIC OPERATION ■ Channel selection ï Channel 16 ï Channel 9 (Call channel) Channel 16 is the distress and safety channel. It is used for establishing initial contact with another station and for emergency communications. Channel 16 is monitored during both Dualwatch and Tri-watch. While standing by, you must monitor Channel 16. Each regular channel group has a separate leisure-use call channel.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 7 (1,1) New2001 BASIC OPERATION 3 ï U.S.A.,Canadian and international channels ï Weather channels There are 57 U.S.A., 61 Canadian and 57 international channels. These channel groups may be specified for the operating area. There are 10 weather channels. These are used for monitoring broadcasts from NOAA (National Oceanographic and Atmospheric Administration.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 8 (1,1) New2001 3 BASIC OPERATION ■ Receiving and transmitting CAUTION: Transmitting without an antenna may damage the transceiver. q Rotate [VOL] to turn power ON. w Set the audio and squelch levels. ➥ Rotate [SQL] fully counterclockwise in advance. ➥ Rotate [VOL] to adjust the audio output level. ➥ Rotate [SQL] clockwise until the noise disappears. e To change the channel group, push both [Y] and [Z] on the transceiver. (p.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 9 (1,1) New2001 BASIC OPERATION 3 ■ Call channel programming Call channel is used to select Channel 9 (default), however, you can program the call channel with your most often-used channels in each channel group for quick recall. q Push both [Y] and [Z] on the transceiver one or more times to select the desired channel group (U.S.A., International or Canada) to be programmed. w Push [16•9] for 1 sec.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 10 (1,1) New2001 3 BASIC OPERATION ■ Channel comments ■ Microphone lock function Memory channels can be labeled with alphanumeric comments of up to 10 characters each. More than 6 characters comment scrolls automatically at the channel comment indicator after the channel selection. The microphone lock function electrically locks [Y]/[Z] and [HI/LO] keys on the supplied microphone. This prevents accidental channel changes and function access.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 11 (1,1) DUALWATCH/TRI-WATCH 4 ■ Description ■ Operation Dualwatch monitors Channel 16 while you are receiving another channel; Tri-watch monitors Channel 16 and the call channel while receiving another channel. q Select Dualwatch or Tri-watch in Set mode. (p. 15) w Select the desired operating channel. e Push [SCN•DUAL] for 1 sec. to start Dualwatch or Tri-watch. • “ ” blinks during Dualwatch; “ ” blinks during Tri-watch.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 12 (1,1) New2001 5 SCAN OPERATION ■ Scan types Scanning is an efficient way to locate signals quickly over a wide frequency range. The transceiver has Priority scan and Normal scan. When the Weather alert function is in use, the selected weather channel is checked while scanning. (p. 15) PRIORITY SCAN CH 01 CH 02 CH 16 CH 05 CH 03 CH 04 Priority scan searches through all tag channels in sequence while monitoring Channel 16.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 13 (1,1) New2001 SCAN OPERATION 5 ■ Setting tag channels ■ Starting a scan For more efficient scanning, add desired channels as tag channels or clear the tag for unwanted channels. Channels are not tagged will be skipped during scanning. Tag channels can be assigned to each channel group (USA, INT, CAN) independently. Set scan type (Priority or Normal) and scan resume timer in advance, using Set mode. (p.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 14 (1,1) New2001 6 SET MODE ■ Set mode programming Set mode is used to change the conditions of the transceiver’s functions: scan type (Normal or Priority,) scan resume timer, Weather alert, Dual/Tri-watch, DSC watch, transceiver’s beep tone, LCD contrast and Auto ACK. Available functions may differ depending on dealer setting. D Set mode operation q Turn power OFF. w While pushing [16•9], turn power ON to enter Set mode.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 15 (1,1) New2001 SET MODE 6 ■ SET mode items D Scan type D Weather alert The transceiver has 2 scan types: Normal scan and Priority scan. Normal scan searches all tag channels in the selected channel group. Priority scan searches all tag channels in sequence while monitoring Channel 16. A NOAA broadcast station transmits a weather alert tone before important weather information.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 16 (1,1) New2001 6 SET MODE D DSC watch D LCD contrast DSC watch monitors Channel 70 while you are receiving another channel. If a distress signal is received on Channel 70, the transceiver monitors Channel 16 and 70 alternately until the distress signal disappears. If a signal is received on another channel, DSC watch pauses until the signal disappears. This function may not be available for some channel groups depending on dealer setting.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 17 (1,1) TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION 7 REF. The transceiver does • Bad connection to the power supply. not turn ON. • Check the connection to the transceiver. p. ? No sound from speaker. • Squelch level is too high. • Volume level is too low. • Speaker has been exposed to water. • Set squelch to the threshold point. • Set [VOL] to a suitable level. • Drain water from the speaker. p. 8 p.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 18 (1,1) New2001 8 CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive USA INT CAN Transmit Receive 156.050 160.650 19A 64A 83A 156.050 156.050 20 20A 01 01 01A 02 02 156.100 160.700 03 03 156.150 160.750 03A 156.150 156.150 04 156.250 160.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 19 (1,1) SPECIFICATIONS AND OPTIONS ■ Specifications ■ Options ï General • MB-69 FLUSH MOUNT KIT For mounting the transceiver to a panel. • Frequency coverage Transmit Receive • Mode • Channel spacing • Current drain (at 13.8 V) • Power supply requirement • Frequency stability • Dimensions (Projections not included) • Weight : 156.025–157.425 MHz 156.050–163.275 MHz : FM (16K0G3E) DSC(16K0G2B) : 25 kHz : TX high 5.5 A max. Max. audio 1.5 A max. : 13.
!IC-M402A_SA_draft.qxd 03.10.20 11:41 AM Page 20 (1,1) New2001 A-6322H-1US Printed in Japan © 2003 Icom Inc.
