RFC-1 New Features and System Changes page 2.1
Section 2 — New Features and System Changes
2.1 Version 6.00
General Feature Updates
The RFC-1 can reset all user programmable settings to their factory default values. A special advanced
programming code has been added to the system that performs this operation.
The system can be manually forced to both data and voice mode with the command 84. Previously it was possible to
force data mode but the system can now be forced back to voice mode too.
The memory dump/print command has additional options. The legacy mode table-style memory dump is included for
backward compatibility. A new annotated memory dump displays the data in logical groups by function and includes
a description on each line of data. The memory restore dump formats the data so that it can be saved to a text file
and used to reprogram the RFC-1 user memory.
Several user prompts have changed. The prompt to enter the main security code changes from “enter” to “enter
security code.” When an incorrect security code is given, the system now says, “error, goodbye” before
disconnecting. The alert that there is an incoming call when user is connected locally changes from “ring-ring” to
“telephone, ring-ring”. The commands to read/reprogram telephone numbers and alarms now identify the item by
letter “A, B, C, etc”.
Clock & Calenear Updates
The real time clock can optionally adjust automatically for Daylight Savings Time as observed in the United States
using rules established in 2007. This feature is disabled by default to avoid issues in areas that do not observe the
seasonal time change. The feature is enabled through a simple adjustment that is stored in non-volatile memory.
The RFC-1 calendar determines the day of the week when the date is set. This operation is automatic and occurs
without user intervention.
The calendar recognizes all four digits for the year.
When appropriate hardware is available, the real time clock synchronizes to the incoming AC power and corrects the
internal time base for better long-term accuracy. The feature works in areas using either 50 Hz or 60 Hz AC power
and operation is completely transparent. It is enabled by default but can be overridden through user programming.
The legacy clock adjustment procedure still exists for sites that are not powered from an AC main supply. This
feature requires hardware support available in systems that shipped after mid 2003.
Systems that are able to perform the automatic clock sync described above also support an internal power failure
alarm. The system is able to recognize the loss of AC power. This feature works in addition to the legacy power
failure alarm that triggers when power is restored after a failure. The power failure alarm is disabled by default and is
enabled with the command 82.
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