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RTU-292 Operations Manual
as a warning. The radio caller or the phone user may initiate activity within 5 seconds of the
warning beeps to reset the timer. If neither user does so, the unit will then terminate the call.
To terminate the call at any time, the radio user may enter * # or give three squelch breaks
within four seconds. The phone user may enter * # to hang up.
7.7 THE CALL LOGGING OPTION
The RTU-292 contains a Real Time Clock (RTC) IC that allows the logging outgoing
telephone calls via the unit’s RS-232 serial communications port. Full information regarding
the use of this port is provided in section 5. The factory default setting disables Call Logging.
To enable, enter the programming mode by the DTMF sequence * 9 9, then enter * 0 1.
Finally, enter * # to leave the programming mode. See Tables 3-1 and 3-2.
NOTE
It is possible to enable this option remotely. If you have purchased an RTU-292
without this option and want to add it, contact JPS.
7.7.1 Checking The Time And Date
Check both the time and the date by simply entering the remote control command TIME with
no parameters. The time and date that the RTC is set to will be returned. If not correct, set as
explained below. The RTC keeps track of leap years but not daylight savings time.
7.7.2 Setting The Time
Enter the command TIME hhmmss where hh is the hour (00-23), mm signifies the minutes
(00-59), and ss gives the current seconds (00-59).
7.7.3 Setting The Date
Enter the command DATE ddmmyy where dd is the current date (01-31), mm is the month
(01-12), and yy is the last two digits of the year (00-99).
7.7.4 Call Logging
Enable and disable call logging by entering as described above. Once call logging is enabled,
whenever a radio-to-telephone connection is made, a message is sent via RS-232 noting the
beginning of the call and indicating the starting time and date.
When the connection is terminated, another message is sent indicating the time and date and
also listing the elapsed time of the call. The elapsed time is provided in the format hh:mm:ss.
The elapsed time provided will be incorrect if any single radio-to-telephone connection exceeds
24 hours.
JPS Communications, Inc.
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