Maintenance and Troubleshooting, Floppy Disk Drive | Furuno DP-6

8.MAINTENANCE AND TROUBLESHOOTING

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.

8.1 Maintenance

Regular maintenance is important for good performance. A regu- lar maintenance program should be established and should at least include the following:

Cleaning the Equipment

Wipe of accumulated dust from the equipment with a soft cloth. An anti-static cleaner may be used to clean the screen of the termi- nal unit. Do not use commercial cleaners to clean the equipment. They can remove paint and markings.

Connectors and Earth Connection

Periodically check the connectors for proper seating and the earth connection for rust. Remove rust to maintain a good ground sys- tem.

Floppy Disk Drive

Clean the floppy disk drive head regularly to prevent erasure of information stored on disks.

8-1

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Furuno DP-6 Maintenance and Troubleshooting, Cleaning the Equipment, Connectors and Earth Connection, Floppy Disk Drive

Contents

Nbdp Terminal First E D I T I O N Page Page Table of Contents Declaration of conformity to type SP-1 Program number FeaturesForeword This page is intentionally left blank General Radiotelex CommunicationCode Description Frequency Shift Traffic Exchange Sequence ARQ Mode A-ModeDescription Termination of Communication ARQ mode traffic exchange timing Initiating a Call FEC Mode B-Mode System Overview System Configuration Terminal Unit Turning on the SystemEquipment Description Keyboard Main UnitPrinter option Basic Menu Operation Function Keys, Menu OperationMenu Conventions Function Key Description Cancel PrintingFile to Print Clear Buffer Rent file Function key F2 Edit menuGoto Top Timer Operation Cancel SendingCall Station File to Send Calendar Display Nmea DataRemote A/B Distress Frequency Table Station Entry Timer Operation EntryScan Entry User Channel Entry Slave Delay SetupBK Timing PreTone BK Timing PostTone MIF Freeze Display modeMIF Emission TX/RX MSG Save Function key F10 Break Function key F9 Over Registering Answerback Code Preparations for Transmission and ReceptionRegistering Answerback Code & ID Codes Message for confirmation of code entered Registering ID Codes Registering Stations Station List Editing/Deleting Stations OK/CANCEL prompt Registering Timer Programs Timer Programming Editing/Deleting Timer Programs Registering Scan Channel Groups Scan Channel Groups Editing/Deleting Scan Channel Groups Registering User Channels User Channels Editing/Deleting User Channels Creating Files File Operations Saving a File Saving a File Cutting text Editing FilesCutting and Pasting Text Clearing the Paste Buffer Copying and Pasting TextUndo Select All Searching Text Cut and paste flow diagram Goto Line Replacing Text Opening a File Switching Between FilesOpening Files Deleting Files Renaming FilesSaving a File Under a New Name Printing Files Real Time Printing Printing the Log File Communications LogDisplaying the Communications Log Log File Manual Calling TRANSMISSION, Reception Manual calling screen Calling a Station From a Floppy Disk Transmitting a File from a Floppy Disk or the Text ScreenFrom the text screen 1 or Stopping Transmission ARQ Mode Operation Selecting Receive Mode Send a file from a floppy disk Type a message from keyboard FEC Mode Operation Communication Example Registration procedure 9VG Seradio RS 55908 Ugox X GA +? Transmitting message directly Dirtlx Table of Abbreviations Command an Abbreviation Stopping Timer Operation Timer OperationEnabling Timer Operation Communication Buffer Scanning Display Nmea Data Window MenuWindow Menu Description Distress Frequency Table CalendarRemote A, Remote B Maritex Operation What is MARITEX? Preparations for Transmission Maritex Services Registering Scan Groups MARITEX-A Maritex Channel ARQ FEC Dirc Scanning group list example Preparing Programs for Automatic Message Transmission Commands Maritex Traffic Manual Store-and-Forward Telex No. Procedure DisplayRemarks @CASE MSG+? @SEND Babc @SEND Nnnn @CASE GA+? @SEND BRK+ Preparing a macrofile for store-and-forward Telex Save prompt Example macrofile for direct dialing Macrofile for Direct Dialing No. Procedure Display Remarks Procedure for direct dialing Example of macrofile for use in multi address Macrofile for Multi Address 10 Example of macrofile for semi-fax Macrofile for Semi-fax Transmitting in Maritex System Basic Procedure Press the 2 key. The Call Macro screen appears Actual Transmission Maintenance Maintenance and TroubleshootingCleaning the Equipment Connectors and Earth Connection Diagnostic Tests Simple TroubleshootingPower Supply Self Test Tone test 1 All characters Tone Test Tone test 3 Beta Tone test 2 FoxTone test 4 Mark Tone test 5 Space ITU Telex Frequency /4 AP1-1 AP1-2 AP1-3 AP1-4 AP2-1 Appendix 2 International Telex Abbreviations This page is intentionally left blank AP3-1 Input sentencesLoad requirements as listner AP3-2 GLL Geographic position latitude and longitude AP3-3 RMA Recommended minimum navigation information Loran C data AP3-4 RMC Recommended minimum specific GPS/ Transit data Specifications of Nbdp Terminal DP-6 Environmental Conditions