Advantech TREK-743 User Manual page 38

Vehicle mounted computer with 7" tft lcd

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4.3.2.3

Low Battery Monitor

Pins 7 to pin 10 of JP3 determine the optional low battery monitor function which is

designed to prevent the DC battery power on the vehicle from draining. When battery

voltage drops under a specific level (11V for DC12V battery and 22V for DC24V bat-

tery) the function will be activated, and then the OS will be terminated after 30 sec-

onds and system power will shut down after one minute. The default setting keeps all

pins open to disable the function; however, DC24V battery protection by closing pin

7-8, or, it can also be changed to DC12V battery protection by closing pin 9-10.

Table 4.6: Low Battery Monitor (JP3)

No battery protection

(Default)

TREK-743 User Manual

DC24V battery protection

DC12V battery protection

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