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Operating
Automatic Mode/Manual Mode
Notes
Each CP-220A provides two distinct modes of operation: an AUTOMATIC
and a MANUAL mode. When in the Automatic Mode, the CP-220A will not
display the data it receives, but instead, will pass each message on to an
attached Printer and/or an Automation System, if they exist. The Automatic
Mode permits the CP-220A to operate at its maximum throughput.
In the Manual mode, the CP-220A buffers messages as they are received. If
operated in the Manual mode, the CP-220A will display the data it receives,
but requires operator intervention to "release" the displayed data so that
subsequent transmissions may be similarly presented. The Manual mode is
intended for use when neither a printer nor an Automation System is
available, and is designed to provide ample time for the operator to copy
down the displayed message.
The AUTOMATIC and MANUAL modes may be toggled back and forth
through the use of the MANUAL/PREVIOUS key on the front panel (see
page 1-9). An LED over the key lights whenever the MANUAL mode is
selected, and the display will briefly show [MANUAL] or [AUTOMATIC], as
the case may be. Depending on the way the CP-220A is programmed, a
short tone is produced in both modes whenever a message is received.
However, in the MANUAL mode, the tone will repeat every 60 seconds
when there are "stacked" messages that haven't yet been displayed and
must be attended to.
PARAMETER 40 (discussed on page 2-39), in its default mode
[AUTO MODE ENABLE ON], allows the CP-220A to stay in its
AUTOMATIC mode only when a peripheral (printer and/or Automation
System) is connected and is operational. If the CP-220A finds that there are
no peripherals available (e.g., due to a peripheral malfunction), it will
return to its MANUAL mode. Only when the problem is corrected can the
CP-220A be placed in AUTOMATIC mode of operation (by pressing the
MANUAL/PREVIOUS key).
If the CP-220A is not connected to a computer and/or printer, it will be
desirable to program PARAMETER 40 to select [AUTO MODE ENABLE
OFF], which prevents the use of the AUTOMATIC mode (permitting only
MANUAL mode operation). In this manner, messages received by the
CP-220A will be stored in the receiver's buffer until cleared by pressing the
NEXT key.
Central Stations using Automation Systems universally operate the
CP-220A in its Automatic Mode. As a result, the receiver neither stores nor
displays its incoming messages, but simply decodes and delivers them to
both the Automation System and the Printer, thus requiring no operator
intervention.
Additional information about many aspects of the CP-220A can be found in
the two Appendices that follow.
CP-220A Central Station Receiver Section 2: Programming the CP-220A Page 2-103
Hook-Up and Installation Manual
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