A SERVICE OF

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TROUBLESHOOTING
134
134 Troubleshooting
APPENDIX
137
137 Menu tree
138 Product speci cations
140 License
141 Warranty
contents
USING
THE CALCULATOR
131
131 Using the calculator
UPGRADING
FIRMWARE
133
133 Upgrading rmware
VIEWING THE
WORLD SUBWAY MAP
132
132 Viewing the world subway map