SimCom SIM300 - 3 Operation; Tune up Procedure; Setup the Phone Call

Figure3： EVBandaccessoryequipment
3 Operation
Firstly，please equip the module and accessories as the figure 3：
3.1 Tune up procedure
1）switching the S1 switch to off state, S2 switch to ON state；
2) Press the PWRKEY button for about 1 second, then the LED glint，and the module is tuning
up successfully；
3.2 Setup the phone call
Please setup a HyperTerminal(AT command windows) step by step：
Step1，setup the HyperTerminal connect：