3712.26. GPRS CONTACT ID TESTBefore activate the GPRS Contact ID test it is required to program the Contact ID parameters (see Software manual). If not, the GPRS test fails:press “X” button to stop and exit the test.12.27. DELETE TELEPHONE NUMBERS12.28. RESETResetSee paragraph 6, “CLEAR THE CONTROL PANEL MEMORY”Quickly press the “X” button to activate the test mode.Press the “#” button to go on the test: Modem working test (Modem OK / NOT OK) Network Operator (operator name) Modem signal (graphic bar for GSM field) GPRS test (change YES/NO with “X” button)o YES: GPRS communication testo NO: stop GPRS testXGPRS/C.ID TestRESETDelete Telephone NumbersPress and hold the “X” button to clear the whole telephonenumber list and re-set to factory settings.At the end of process, the control panel emits five “beeps”and the Alert LED blinks.XDelete Tel.Numb.