GENERAL INFORMATION
Page 3
2.4
Clearance area (mm)
Leave a clearance around the J4N Junction Box to facilitate service
and installation. See recommended clearance area below.
Figure 2: Recommended clearance area
2.5
J4N Alarm Relay
The J4N junction box includes a relay (RE1) driven by the discrete
alarm output of the R4 Navigation Sensor. The relay switch may be
connected to an audible alarm device or the ship’s alarm system. An
external switch for acknowledge of alarms may also be connected.
The R4 Navigation System also facilitates alarm messages and
acknowledge of alarms in serial ‘NMEA’ format. Refer to the R4
Navigation System installation manual for details.
2.6
J4N Circuit Board
The components and available connections of the J4N circuit board
are shown in figure 3 and listed in table 1 below. The schematic for
the J4N circuit board is included in Appendix A of this installation
guide.
Summary of Contents for 1000 R4
Page 18: ...MOUNTING Page 12 Figure 4 7 Panel mounting R4 Display Figure 4 8 R4 Display panel mounted ...
Page 79: ...TECHNICAL SPECIFICATIONS Page 11 ...
Page 80: ...TECHNICAL SPECIFICATIONS Page 12 APPENDIX A J4N SCHEMATIC ...
Page 81: ...TECHNICAL SPECIFICATIONS Page 13 APPENDIX B J4N PCA LAYOUT ...