Maintenance & Troubleshooting, Antenna connectors | Furuno FM-8500

8.Maintenance & Troubleshooting

8.1Maintenance

WARNING

Do not work inside the equipment unless totally familiar with electrical circuits.

Hazardous voltage which can cause electrical shock, burn or serious injury exists inside the equipment.

Antenna connectors

1.Check that each connector is firmly connected.

2.Clean corroded or soiled connectors.

3.Check coaxial cable for damage. If damaged, replace.

4.Check that bolts fixing the antenna are firmly tightened.

8.2Troubleshooting

When the power cannot be turned on

1.Check if power plug is firmly connected.

2.Check breaker at the rear of the equipment. If it has tripped, push it in to reset.

3.If power cannot be turned on, contact a FURUNO agent or rep- resentative.

8-1

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Furuno FM-8500 manual Maintenance & Troubleshooting, Antenna connectors, When the power cannot be turned on

Contents

VHF Radiotelephone 00080762901 Cancelling a False Distress Alert Page Iii Table of Contents System Confirmation Maintenance Troubleshooting Diagnostic Test Features Program numberVii Viii System Configuration This page is intentionally left blank VHF Radiotelephone Operational Overview Controls, Indications ControlsIndications Telephone Operation Transmitting Output powerTurning the loudspeaker on/off Channel Scanning Dual watchRemarks on voice communications Priority This page is intentionally left blank DSC Messages DSC Terminal Operational Overview Pos Ship’s position Channel Voice communication channelUTC Universal Time Coordination ACK RQ BQ LEDs Controls, LEDs Keyboard Basic Operation When blinking question mark appearsNormal display Selecting and registering items Preparing message for immediate transmission Preparing and Transmitting MessagesPrepare message and then transmit it Preparing and storing message for later transmission Key entry of VHF Status of FM-8500 during DSC Call Turning & Auto ACK on/off Auto AcknowledgeAuto function Manual functionPage Transmitting the distress call Distress call Distress communications Provide the following information to the coast station Manual Entry of Ship’s Position and Time Canceling manually entered dataEntering data manually Confirming Ships Position and Time Receiving Distress Alert from Other Ship Procedure when in area A1 CS and/or RCC? Progress? Yes Transmitting Dist ACK over CH16 After transmitting Dist ACK Transmitting Dist ACK Procedure Distress RelayGeneral From previous Wait for relay ack This page is intentionally left blank General procedure DSC CommunicationTransmitting Individual Calls Prepare and transmit a message as follows Detailed procedure Select ROU Received Receiving Individual Call ACK RQ Setting of Able or Unable Receiving individual call message ACK RQ with Auto ACK On FM-8500 sends the ACK BQ signal automatically ACK BQ Receiving ACK RQ with Auto ACK Off From previous When changing communication mode Transmitting All Ships Calls When to use All Ships Call Place the cursor on ALL Press the ENT key Press the t key. To return to previous menu From previous Procedure for on hook status Receiving All Ships CallsStatus of FM-8500 Procedure for off hook status Detailed procedure Select END and press the ENT key Page END Example You want to write over file saved under file number Writing Over Files Retrieving, Transmitting Files Retrieving a fileTransmitting a file Transmit/Receive Message Memory Retrieving a transmit messagePress the 9 Xmtd key at the normal display You can transmit a retrieved message as follows Transmitting retrieved message Receive message memory Retrieving a receive messagePress the 8 Rcvd key at normal display Select ORDINARY, then press the ENT key Selection of calling type Other Calling Types Telephone call semi-auto/auto call Individual call Refer toRefer to All ships call Refer to Polling call individual call Position request individual callMedical transport All ships call Neutral craft All ships call Making Telephone Calls Pstn Call Operation after making DSC call Receiving Telephone Call from Coast Station Registering Other Station IDs and Telephone Nos Retrieving This page is intentionally left blank Other Settings Printer Setup Auto/ManualAutomatic printing Printing Timing of 4 key pressing Example Pringout Manual printing Example printout You can turn keyboard click response on or off as follows Turning Keyboard Click ON/OFF Aural Alarm Setup This page is intentionally left blank Confirming Own Ship’s ID System ConfirmationOverview Own Ship’s ID can be confirmed as follows At screen 1 previous page, select V and press the ENT key Confirming ROM Version At screen 1 on page 7-1, select RT and press the ENT key Confirming VHF Section Settings You can confirm VHF channels registered as follows Confirming VHF ChannelsAt screen 1, select CH and press the ENT key VHF channel status Confirming Tx Output Power This page is intentionally left blank Maintenance Maintenance & TroubleshootingTroubleshooting Antenna connectors Diagnostic Test Transmit Power NG This page is intentionally left blank Specifications GeneralTransmitter DSC Section ReceiverProtocol M.689-2 10-1 Menu List 10-2 10-3 This page is intentionally left blank Page Page Load requirements as listner Input sentencesIsolation Input impedance Ohms Max. Voltage Threshold AP-4 GGA Global positioning system GPS fix data AP-5 GLL Geographic position latitude and longitude AP-6 RMA Recommended minimum navigation information Loran C data AP-7 Front panel ID number Power settingsNature of distress On hook VHF transceiver