User`s manual

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Appendix C The meaning of some abbreviation
Words Meaning Words Meaning
D 720*576(PAL)/720*480(NTSC) H 720*288(PAL)/720*240(NTSC)
C 360*288(PAL)/720*240(NTSC) NT The event of network
U Unlock L lock
MD Motion detection SD Sensor detection
PW The event of power on occurred VL Video loss
AL Alarm DB The data base recurred or united
HD The event about HDD occurred TM Time change
SY The event of system setup or the system
reset
FL The event of file occur or get rid of
DVR Digital video recorder DEL Deletion event