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2.2 Installation Procedures
When you installing TREK-722/723, the first step will be connect the power and igni-
tion correctly. TREK-722/723 power cable is designed to connect battery directly.
TREK-722/723 can be switched ON/OFF by the ignition signal or its power button
both.
2.2.1 Connecting the Power Cord
Connect the three pin waterproof power cord to the DC inlet of TREK-722/723. On
the open-wire end, one pin is reserved for positive voltage and is marked "+" which
needs to be connected to the power "+" side; one pin is reserved for ground and is
marked "-"; which needs to be connected to the power "-" side. And, one pin is
reserved for the ignition signal with an "ignition" mark. There's independent "Shield"
pin in power cable, please fixed its O-ring which besides of power connecter of
TREK-722/723.
Table 2.1: Pin Definition of Power Cord
Pin
1
2
3
4
2.3 WinCE Satrtup Procedure
Windows CE image can be loaded by two methods, first way is by SD storage card,
and second way is by system on-board chip. Storage card is higher boot priority than
on-board system flash chip. In BOOTLOADER criteria, it will first read the Windows
CE image from external storage card. After download image done, booloader will
burn image to on-board flash chip automatically. If external storage card is unavail-
able or no Windows CE image inside, BOOTLOADER will load the Windows CE
image from on-board system flash chip. BOOTLOADER copy Windows CE image to
DRAM and launch WinCE from DRAM, whenever loaded by external storage card or
system on-board flash chip.
Figure 2.4 Power connector photo
Definition
+
Shield
-
Ignition
7
Color
Blue
Black
Black
White
TREK-722/723 User Manual
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