Icom IM402SA, IM402A instruction manual Troubleshooting, Problem Possible Cause Solution

Page 43

TROUBLESHOOTING 10

PROBLEM

POSSIBLE CAUSE

SOLUTION

REF.

The transceiver does

• Bad connection to the power supply.

• Check the connection to the transceiver.

p. 34

not turn ON.

 

 

 

 

 

 

 

No sound from speaker.

• Squelch level is too high.

• Set squelch to the threshold point.

p. 8

 

• Volume level is too low.

• Set [VOL] to a suitable level.

p. 8

 

• Speaker has been exposed to water.

• Drain water from the speaker.

 

 

 

 

Transmitting is impossi-

• Some channels are for low power or re-

• Change channels.

pgs. 6,

ble, or high power can

ceive only.

 

7, 52

not be selected.

• The output power is set to low.

• Push [HI/LO] on the microphone to select

p. 8

 

 

high power.

 

 

 

 

 

Scan does not start.

• “TAG” channel is not programmed.

• Set the desired channels as “TAG” channels.

p. 13

 

 

 

 

No beeps.

• Beep tones are turned OFF.

• Turn the beep tone ON in Set mode.

p. 32

 

• The squelch is open.

• Set squelch to the threshold point.

p. 8

 

 

 

 

Distress call cannot be

• MMSI (DSC self ID) code is not pro-

• Program the MMSI (DSC self ID) code.

p. 14

transmitted.

grammed.

 

 

 

 

 

 

9

10

37

Image 43
Contents IM402A Equipment damage may occur May occurPersonal injury, fire or electric shock Case of Emergency Iii Determining MPE RadiusTable of Contents IC-M402A only PrecautionRadio license for boaters U.S.A. only Operating RulesRestricted Radiotelephone Operator Permit is the license 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 ChannelWeather channels S.A.,Canadian and international channelsPush Y or Z to select a channel 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 programming DSC OperationMmsi code check Programming Address ID/Group ID DSC individual IDPush Dscic to program and exit the DSC menu Deleting Address ID/Group ID Position indicationPush Dscic to delete the address ID and exit the DSC menu Scrolls Distress alert contains Distress callTransmitting Individual call Transmitting DSC callsPush Dscic to transmit the Individual call Push Y or Z to select Push Dscic Transmitting Individual acknowledgementScrolls Push Y or Z to select the acknowledgement or 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 Mounting the transceiver Using the supplied mounting bracketOptional MB-92 attachment Optional MB-69 installation Problem Possible Cause Solution TroubleshootingFront and side keys Commandmic HM-127OPTIONPTT Switch PTT pgs Panel descriptionATTENUATOR/INTERCOM/SCRAMBLER KEY LO/DX IC SCR CHANNEL/DUALWATCH/TRI-WATCH KEY CH/WX DW U/I/CSQUELCH/MONITOR/LOCK KEY Sqlmoni L 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 H/L to select the output power, if necessary Turn power on Set output powerPush Y/Z to select the desired channel Activating the Lock function Lock functionsActivating the All key 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 functionPush Scan TAG to start Priority or Normal scan To cancel the tag channel setting, push Scan TAG for 1 secTo stop the scan, push Scan TAG 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 commentsAccessories included with the HM-127 Qty HM-127 supplied accessoriesConnection cable OPC-1000 6 m 20 ft Completed installation should look like this InstallationMm 3⁄32˝ Channel number Frequency MHz USA INT can Transmit Receive Channel ListReceiver SpecificationsSpecifications GeneralDimensions 153 6 1 139 5 15 Template24 to 27 d 15 16 to 11 Cut here 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

IM402A, IM402SA specifications

The Icom IM402SA and IM402A are robust mobile transceivers designed for various communication needs, particularly in the marine and recreational sectors. These models are known for their reliability, durability, and advanced features that cater to both casual users and professionals.

One of the standout characteristics of the IM402SA and IM402A is their compact design, making them suitable for a range of vehicles, from boats to vehicles employed in rugged environments. Their sturdy build ensures they can withstand harsh conditions, which is critical for marine use where humidity and saline air can affect equipment longevity.

In terms of features, both models are equipped with a high-performance receiver that offers exceptional clarity and range, ensuring that communication remains clear over long distances. The IM402 series supports multiple frequency bands, enabling users to communicate effectively across various channels. This versatility is crucial in dynamic environments where multiple communication methods may be needed.

Another significant aspect of the Icom IM402SA and IM402A is their advanced digital signal processing (DSP) technology. This feature enhances audio quality by reducing background noise and improving overall clarity, facilitating better communication in noisy environments, such as when on the water or in busy industry settings. The built-in noise-cancellation technology ensures that conversations remain intelligible even when external noises are present.

User-friendly interfaces are a hallmark of Icom products, and the IM402 series is no exception. The intuitive keypad layout and illuminated display make it easy to navigate through settings and channels, even in low-light conditions. Furthermore, programmable function keys allow users to customize their experience, providing quick access to frequently used features.

The transceivers also come with emergency functions, including distress calling capabilities that comply with maritime regulations. This feature is vital for safety, especially for those venturing into remote or potentially hazardous areas. Additional safety features can include weather alerts and access to emergency channels.

In summary, the Icom IM402SA and IM402A mobile transceivers are designed to deliver high-quality, reliable communication with a host of advanced features. Their robust design, superior audio clarity, and user-friendly interfaces make them a practical choice for anyone needing dependable communication in challenging environments. Whether on the water or in the field, the IM402 series stands out as a reliable tool for effective communication.