Icom IM402SA, IM402A Specifications, Speciﬁcations, General, Receiver, Transmitter

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■Speciﬁcations

D General

• Frequency coverage	:
Transmit	156.025–157.425 MHz
Receive	156.050–163.275 MHz
• Mode	: FM (16K0G3E)
	DSC(16K0G2B)
• Channel spacing	: 25 kHz
• Current drain (at 13.8 V)	: TX high	5.5 A max.
	Max. audio	1.5 A max.
• Power supply requirement	: 13.8 V DC
• Frequency stability	: ±10 ppm
	(–20°C to +60°C; –4°F to +140°F)
• Dimensions	: 153(W) ⋅ 67(H) ⋅ 141.6(D) mm
(Projections not included)	6 1⁄32(W) ⋅ 2 5⁄8(H)⋅ 5 9⁄16(D) in
• Weight	: Approx. 900 g ; 2 lb

SPECIFICATIONS 13

D Receiver

• Receive system	: Double conversion
	superheterodyne
• Sensitivity (12 dB SINAD)	: 0.22µV (typical)
• Squelch sensitivity	: 0.22µV
• Intermodulation rejection ratio	: More than 70 dB

•Spurious response rejection ratio: More than 70 dB

• Adjacent channel selectivity	: More than 70 dB
• Audio output power	: 4.5W (typical) at 10% distortion
	with a 4 Ω load

All stated speciﬁcations are subject to change without notice or obligation.

D Transmitter

• Output power	: 25 W/1 W
• Modulation system	: Variable reactance frequency	13
	modulation
• Max. frequency deviation	: ±5.0 kHz
• Spurious emissions	: Less than –70 dB

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Contents IM402A Personal injury, ﬁre or electric shock May occurEquipment damage may occur Case of Emergency Iii Determining MPE RadiusTable of Contents IC-M402A only PrecautionRestricted Radiotelephone Operator Permit is the license Operating RulesRadio license for boaters U.S.A. only Front panel Panel DescriptionDSC/INTERCOM KEY Dscic Channel UP/DOWN Keys Y/ZU/I/CFunction display Microphone 2CHANNEL Group Indicator pPTT Switch PTT Transmit Power KEY HI/LOChannel 9 Call channel Basic OperationChannel selection ChannelPush Y or Z to select a channel S.A.,Canadian and international channelsWeather channels Receiving and transmitting Call channel programming DUAL, push 169 to edit the channel comment Channel commentsMicrophone lock function Display backlightingCall channel DUALWATCH/TRI-WATCHDescription OperationScan types Scan OperationStarting a scan Setting tag channelsTo cancel the tag channel setting, push Scantag for 1 sec Clearing or setting all tagged channelsMmsi code check DSC OperationMmsi code programming Push Dscic to program and exit the DSC menu DSC individual IDProgramming Address ID/Group ID Push Dscic to delete the address ID and exit the DSC menu Position indicationDeleting Address ID/Group ID Scrolls Distress alert contains Distress callPush Dscic to transmit the Individual call Transmitting DSC callsTransmitting Individual call Scrolls Push Y or Z to select the acknowledgement or Transmitting Individual acknowledgementPush Y or Z to select Push Dscic Transmitting Group call Calling station automatically when is selectedChannel 70 is selected and appears Push Dscic to transmit the All Ships call Transmitting All Ships callTransmitting Position Request call Push Dscic to transmit the Position Report call Transmitting Position Report callReceiving a Distress Relay call Receiving DSC callsReceiving a Distress call Receiving a Distress acknowledgementReceiving a Group call Receiving an Individual callReceiving a Geographical Area call Receiving an All Ships callReceiving a Position Report Reply call Receiving a Position Request callReceiving a Position Request Reply call Receiving a Position Report callIC-M402A caller Intercom operationIC-M402A Push and hold Dscic again to call upPush SET ModeSet mode programming Set mode operationWeather alert SET mode itemsScan resume timer Scan typeAutomatic acknowledgement DSC watchBeep tone LCD contrastCleaning Connections and MaintenanceSupplied accessories Fuse replacementConnections Optional MB-92 attachment Using the supplied mounting bracketMounting the transceiver Optional MB-69 installation Problem Possible Cause Solution TroubleshootingFront and side keys Commandmic HM-127OPTIONPTT Switch PTT pgs Panel descriptionSQUELCH/MONITOR/LOCK KEY Sqlmoni L CHANNEL/DUALWATCH/TRI-WATCH KEY CH/WX DW U/I/CATTENUATOR/INTERCOM/SCRAMBLER KEY LO/DX IC SCR Top keys Scan Indicator pgs Volume Indicator pSquelch Indicator p Channel Comment IndicatorChannel group Call channelS.A., International and Canadian channels Push CH/WX DW U/I/C to select a regular channelPush Y/Z to select the desired channel Turn power on Set output powerPush H/L to select the output power, if necessary Activating the All key lock function Lock functionsActivating the Lock function Push Y or Z to select the desired channel Push Y/Z to adjust the backlight levelTo cancel Dualwatch/Tri-watch, push CH/WX DW U/I/C again Monitor functionTo stop the scan, push Scan TAG To cancel the tag channel setting, push Scan TAG for 1 secPush Scan TAG to start Priority or Normal scan Beep tone Entering Set modeTurn power OFF While pushing 169, turn power on Push Y/Z to adjust to a suitable LCD contrastIntercom beep function Intercom operation Channel commentsConnection cable OPC-1000 6 m 20 ft HM-127 supplied accessoriesAccessories included with the HM-127 Qty Completed installation should look like this InstallationMm 3⁄32˝ Channel number Frequency MHz USA INT can Transmit Receive Channel ListReceiver SpecificationsSpeciﬁcations GeneralDimensions 24 to 27 d 15 16 to 11 Cut here Template153 6 1 139 5 15 Page Large, external speaker for superior audio output Compact, external speaker. Features easy installationOptions For mounting the transceiver to a panelKamiminami, Hirano-ku, Osaka 547-0003, Japan