[. . . ] Ensure: – that you have understood all the instructions – that all users of the plant are informed about the instructions and have understood them. The following symbols are used in this operating manual: ƽ Danger indicates an immediate threat of danger. Failure to observe the instruction may result in death or serious injuries. Failure to observe the instruction may result in light injuries or damage to property. [. . . ] The "Signal" LED displays the strength of the reception signal. σ Disconnect serial cable between GSM modem and control at the controls and connect it to the PC. σ Switch on RDS1 switch - the GSM modem will be initialised: The "Connect" LED glows for approx. 20 seconds The "Signal" LED displays the strength of the reception signal. Note If the message "Monitoring time expired" is displayed, it means the connection cannot be established automatically. In such a case, click the "Synchronise RS232" button followed by the "Read settings" button in the screen. σ Click "Alarm/Switch1" tab; you can now modify the settings given below it. The enclosed configuration software from INSYS should be installed on the PC. Changing the mobile services provider Note Before changing, check whether the desired mobile network is available where the plant/system is installed. σ Disconnect serial cable between GSM modem and control at the controls and connect it to the PC. σ Switch on RDS1 switch - the GSM modem will be initialised: The "Connect" LED glows for approx. Note If the message "Monitoring time expired" is displayed, it means the connection cannot be established automatically. In such a case, click the "Synchronise RS232" button followed by the "Read settings" button in the screen. σ Enter the Service Centre Number of the mobile operator in the Service Center Number field. Note The Service Centre Number is needed for sending SMS and can be found in the documents of the mobile phone operator. Some Service Centre numbers are given in the appendix to the manual of the GSM modem. σ Click "Send values" button Note Repeat the process if error messages are displayed. The new PIN is stored in the GSM modem and is used for logging on to the GSM network during every fresh start. -2 EN 7 Selective Call Acceptance Note Activating the selective call acceptance prevents other callers from scanning the data of the plant. Then only the SMS commands sent by registered telephone numbers will be accepted. [. . . ] σ Switch on the RDS1 switch - the initialisation process will be run. The "Signal" LED displays the strength of the reception signal. 1 2 3 – List of telephone numbers Fault/error messages "Other Receivers" tab. You can enter a maximum of 20 different additional receivers in the list of telephone numbers. [. . . ]