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Summary of Contents for Simrad AR77
- Page 1 INSTRUCTION MANUAL Simrad AR68/AR77 Analog repeaters SIMRAD UEIT7@Â7T&( UEIT7@Â7T''...
- Page 2 1RWH Simrad AS makes every effort to ensure that the information contained within this document is correct. However, our equipment is continuously being improved and updated, so we cannot assume liability for any errors which may occur. :DUQLQJ The equipment to which this manual applies must only be used for the purpose for which it was designed.
- Page 3 Instruction manual AR68/AR77 Analog repeaters This manual is intended as a reference guide for operating and correctly installing the AR68 and the AR77 Analog Repeaters. Please take time to read this manual to get a thorough understanding of the system components and the connection to external equipment.
- Page 4 26.02.02 Document history Rev. A First issue. Rev. B Product name changed from SR77 to AR77. Rev. C Description for AR68 included. Rev. D Technical description updated. Minor revisions to other pages To assist us in making improvements to the product and to this manual, we would welcome comments and constructive criticism.
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Page 5: Table Of Contents
Instruction manual Contents INTRODUCTION ............... 5 TECHNICAL SPECIFICATIONS........... 6 2.1. Physical ......................6 AR68 ......................... 6 AR77 ......................... 6 2.2. Electrical ......................6 2.3. Environment....................7 2.4. Operational features ..................7 AR68 ......................... 7 AR77 ......................... 7 OPERATION..............10 3.1. Dimmer button ..................... 10 3.2. - Page 6 Simrad AR68/AR77 Analog repeater This page intentionally left blank. 20220927 / D...
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Page 7: Introduction
Instruction manual 1 INTRODUCTION The AR68 and the AR77 has been designed to accept a variety of digital inputs that are sensed when first switching on the repeater. The repeater accepts serial data (RS422). The D-type connector has pins allocated for power and serial data. -
Page 8: Technical Specifications
Simrad AR68/AR77 Analog repeater 2 TECHNICAL SPECIFICATIONS 2.1. Physical AR68 Dimensions: ..........See Figure 1, page 8 Weight (nominal): ............... 2.9 kg Mounting:.......... Panel or bulkhead mounted Finish:............Satin black (RAL 9005) Construction:..........Aluminium enclosure Connections:..1x6 way screened cable (15 way D-type fitted) Compass safe distance: ............ -
Page 9: Environment
2.4. Operational features AR68 Performance: .................±0.1° Follow up rate: ..............12°/s Dial Resolution: Outer dial............Marked to 1° Inner dial ........... Marked to 0.1° AR77 Performance: .................±0.5° Follow up rate: ..............12°/s Dial Resolution: ............Marked to 1° 20220927 / D... - Page 10 Simrad AR68/AR77 Analog repeater SIMRAD Vishey Sfernice PE30 Series 2K2 3 Wa tt pfjo^a=^oSU ALLOW 90MM CLEAR FOR D-TYPE CONNECTOR AND CABLE BEND. PANEL CUT-OUT: 187x187mm. Figure 1 AR68 Dimensions 20220927 / D...
- Page 11 Instruction manual Vishe y S fe rnic e PE30 S e rie s 2K2 3 Wat t pfjo^a=^oTT ALLOW 90MM CLEAR FOR D-TYPE CONNECTOR AND CABLE BEND. PANEL CUT-OUT: 139x139mm. Figure 2 AR77 Dimensions 20220927 / D...
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Page 12: Operation
DIMMER BUTTON pfjo^a=^oSU 3.2. Defining input signal Both AR68 and AR77 have been designed to accept a variety of digital input signals. When the cable is connected to the repeater, it will automatically sense which digital signal that is present. The following priority is used when defining the signal: −... -
Page 13: Installation
2. Drill the mounting holes and screw the cradle to the pfjo^a mounting surface. 3. Assemble the AR68/AR77 to the cradle with the pfjo^a=^oSU two knobs and adjust the unit to obtain the best viewing angle. -
Page 14: Panel Mounting
Simrad AR68/AR77 Analog repeater Panel mounting 1. Cut a hole in the panel where the AR68/AR77 is to be fitted. For panel cut-out dimensions, refer to drawings on page 8 and page 9. 2. Locate the unit in the hole. -
Page 15: Commissioning
1. Ensure that the preceding installation and electrical connection has been completed successfully. 2. Connect the cable to the AR68/AR77. The repeater will automatically sense which digital signal that is present. 3. The repeater will align itself to zero and then to the transmitted gyro heading. -
Page 16: Fault Finding
Simrad AR68/AR77 Analog repeater 5 FAULT FINDING Note! The AR68/AR77 is a sealed unit, and breakage of the security seal will invalidate the warranty. If trouble is encountered, make preliminary checks as described below. If the problems remain unsolved, contact your nearest Simrad dealer for assistance.
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