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PBX system have Real Time Clock in built which
works even on power failure.
To Key-in the current time, dial,
Where
AM=0, PM=1, HH=Hours (01-12), MNT=Minutes (00-59),
SS=Seconds (00-59).
For Example,for current
time 03:15:45 PM, dial as follows,
Note:
The complete software
reset or hardware jumper removal for RAM reset,
will keep RTC timing intact and no need to re-program
the same. |
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