Start by installing the commands by sending the following sms:

2222; sync x50command

Commands for CMeX50, CMi5110:
x50eci Stop continuous installation
x50sci Start continuous installation
x50ei Stop installation
x50si Start installation
x50cml Clear the meter list

Commands for CMeX50:
x50sv Swedish text in display
x50en English text in display
x50de German text in display

The SMS is sent in the following format
Device <Id> <command>

Examples for clearing the meter list:

Device 12345678 x50cml