128Notes• Data communication can be interrupted at any time by tapping Esc.This causes the message Stopped! to appear on the display of the PVUnit.• The message Communication error! appears on the display of the PVUnit whenever data communication is interrupted due to cabledisconnection, line noise, or other abnormal condition.• If the secret memory area of the PV Unit is accessed when you receivedata, the data is stored in the secret memory area, regardless of thememory area where it was stored in the sending unit.• Data cannot be received from the following CASIO units: SF-A Series,SF-5580, 5780, 5980, 5580E, 5780E, 5980E, 5590SY, 5790SY, 5990SY,5590SYE, 5790SYE, 5990SYE, 6500SY, 6700SY, 6900SY.• REMINDER1, REMINDER2, EXPENSE, CALENDAR, andSPREADSHEET data cannot be received from an SF, CSF, or NX Unit.• NX Unit PERSONAL, FAMILY, TIMETABLE, and GOLF mode datacannot be received.• Data from SKETCH, FREE FILE, and other SF, CSF, and NX Unitmodes for which there is no equivalent PV modes cannot be received.• Data from ILLUSTRATION, P.O. BOX, TELEX NUMBER, and otherSF, CSF, and NX Unit entries for which there is no equivalent PV entriescannot be received.• All data is received in monotone, without any color attributes.• In the case of SF Unit data that is mark protected against deletion, themark protection is ignored when received by the PV Unit.