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1. Brief introduction of hardware
1.
POWER
2.
MP3
3.
MAP
4.
+/- BUTTON
5.
MENU
6.
SPEAKER
7.
DC IN
8.
USB
9.
RESET
10.
SD CARD SLOT
11.
CHARGE INDICATOR
12.
BUILT-IN GPS ANTENNA
13.
TOUCH SCREEN
14.
TOUCH STICK
15.
ADJUSTMENT BUTTON
16.
HEADPHONE JACK
17.
EXTERNAL ANTENNA JACK
4V1 Hardware Instruction Manual
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