Maxtor QSNDVR9M - Manual (Page 86)

Appendix C: The meaning of some abbreviations
Letters Meaning Letters Meaning
D 720*576(PAL)/720*480(NTSC) H 720*288(PAL)/720*240(NTSC)
C 360*288(PAL)/720*240(NTSC) NT A network event
U Unlock L lock
MD Motion detection SD Sensor detection
PW An event of power on occurred VL Video loss
AL Alarm DB The data base recurred or united
HD An event concerning HDD occurred TM Time change
SY An event of system setup or system
reset FL A file was created or deleted
DVR Digital video recorder DEL File was deleted
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