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Appendix A: Software Demo Utility for I/O Ports of Function Control
VTC 1911 User Manual
1.1 System Information
1.4 WWAN
1.5 MDO
1.6 SIM Card
1.2 Boot Mode
1.3 OS Control
Press the Update button of System Information to view the MCU Version,
Ignition and Input Voltage information.
Press the Set button of WWAN to enable or disable the WWAN or WWAN
wakeup feature.
Press the Set button of MDO to set up GPO1/GPO2/GPO3 as High or Low.
Press the Get button of MDO to get the GPO1/GPO2/GPO3 High or Low
status.
Press the Select SIM Card button to set up the default SIM card.
Press the Set button of Boot Mode to set up the Boot Mode.
Press the Set button of OS Control to set up the OS Control.