3
5.3.
THE NTP FUNCTION
........................................................................................................... 70
5.4.
PAN/TILT/ZOOM
.................................................................................................................... 71
5.5.
VOICE INTERCOM
............................................................................................................... 76
5.6.
HARD DISK REDUNDANCY
............................................................................................... 76
5.7.
HDD S.M.A.R.T
...................................................................................................................... 77
5.8.
DVR FIRMWARE UPDATE:
................................................................................................. 79
5.9.
TERMS
.................................................................................................................................... 80
5.10.
HDD CAPACITY CALCULATION
....................................................................................... 81
5.11.
COMMON FAULTS
............................................................................................................... 84
Appendix1. Remote control operation
....................................................................................................... 87