ESI IVX X-Class User's Guide download pdf (Page 14)

Function 1: System parameters IVX X-Class Administrator’s Manual

B.2

Function 142: Automatic time setting

1: Synchronize with Caller ID

This function, when enabled, synchronizes the real-time clock with Caller ID (CID) messaging:

call processing compares the time of a CID message to the system real-time clock and, if the

difference is more than two minutes, resets the real-time clock to match the time (hours and

minutes) of the CID message. The system will analyze each such message (or — if it receives

more than four calls with CID information within a one-minute period — as is needed). Select

ENABLE or DISABLE by pressing a scroll key (either





). Choosing ENABLE will allow

the CID data to update the time and date.

Default: Disabled.

Note: If you’re using Esi-Link, consult your ESI Reseller for additional information.

2: Adjust for Daylight Saving Time

This function, when enabled, causes the real-time clock to adjust itself automatically for Daylight

Saving Time (DST). Select AUTO or DISABLE for DST by pressing a scroll key (either





Choosing DISABLE is best for those areas that don’t observe DST.

Default: Disabled.

Note: If this function is enabled and it causes an automatic time change, the system won’t update

the real-time clock from either Caller ID messages (Function 1421, above) or Esi-Link time

synchronization for 25 hours before and 25 hours after the time change is due to be effective

(i.e., 2:00 AM Sunday).

Function 143: Clock adjustment

This function lets the Installer or Administrator have the system automatically compensate for a

clock that’s running too fast or too slow. The clock adjustment speeds up or slows down the

clock over a 30-day period by the amount selected. If the system clock is running slow, select a

positive value. If the clock is running fast, select a negative value.

Range: -2 to +5.5 minutes. Default: 0.

Example: If the clock is running two minutes fast over a month, select -2 (minus two minutes)..

Does not work with PRI.

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ESI IVX X-Class User's Guide Page 14