Navtronic Explorer (1987)    

Date of introduction:  June 3, 1983 Display technology:  LED-modules
New price:   Display size:  8
Size:  6.5" x 3.2" x 1.4"    
Weight:  8 ounces Serial No:  28369
Batteries:  4*LR1  Date of manufacture:  year 1987
AC-Adapter:   Origin of manufacture:  USA
Precision:  6 Integrated circuits:  uPD7503 G112
Program steps:   Courtesy of:  Joerg Woerner

Compared with the original Navtronic Explorer introduced in the year 1983 this 1987 built Explorer feels cheaper.

Explorer_1.jpg (95762 Byte)The thumbnail on the right gives you a comparison of the two models. The original Explorer uses solid keys instead the later rubber keys and got the name in the mold instead of a cheap sticker. The inside of the products shows the real difference, the solid metal plate to support the keyboard was removed.

horizontal rule

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Joerg Woerner, December 5, 2001. No reprints without written permission.