Matsutec GP-280 - Navigation Settings

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Menu Settings
General
Key Beep (On, Off)
Language (English)
Units (nm, km, sm)
Time Offset
(-14:00 ~ +14:00)
Time Display
(12 Hour, 24 Hour)
Date Display
(MM/DD/YY or DD/MM/YY)
Backlight Time Out
(Stays on / 15s / 30s / 1 Minute)