Operation; Tune Up Procedure; Setup The Phone Call - SimCom SIM340 User Manual

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：