NorthStar Navigation 800/628-4487, 978/897-6600 Appendix a 958 system technical specifications

APPENDIX A: 958 system technical specifications

TABLE 15: 958 technical specifications

Physical features/environmental	Interfacing
Waterproof control head	Two bi-directional NMEA I/O ports, 1 AUX port
10.4” diagonal color LCD	Two bi-directional RS-232 ports
Unsurpassed sunlight viewability	Interfaces to optional Northstar 490 for fishfinding or
	to an optional Northstar radar
640x480 pixel, hi-temp, backlit, transmissive color	Waypoint upload/download capability to a PC (with
LCD	appropriate software)
Flush mount standard
High-contrast anti-reflective screen	One VGA out port (connects to Northstar 1201
Waterproof chart cartridge door	monitor and others)
Large, easy-to-use backlit controls	One VIDEO in port
Easy interfacing I/O plugs	NMEA input sentences: WPL and others
0 degrees Celsius - 55 degrees Celsius max 95%	200 PPNM speed output
relative humidity, noncondensing	Honk output
10 - 36 volts DC power, 50 watts	NMEA output sentences: APB, BOD, BWC, GGA,
	GLC, GLL, GSA, GSV, LCD, HSC, MSS, RNN, RMC,
	RMA, RMB, VTG, WCV, XTE, ZDA, ZTG. (Conforms
	to NMEA v 2.0 and later. Supports 1.5 GLL and
	BWC.)
	Accepts most external loran receivers
	Waypoint and route transfer between two 958’s (or a
	957 and a Northstar 941/951/952)

958 Installation Manual, Rev. A1 Page 43