CPT 4200 Series, Руководство по обучению

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CORRECTING ERRORS
Until one of the seven signals transfers the record to tape. the Line Correct and Character Correct
Keys can be used to correct any errors you make.
DO NOT use the Line Correct or Character Correct Keys to correct a record which is already
recorded on tape.
Now is the (Stop Code)
This record is ended by the
Stop Code and is already
recorded on tape.
all good men to
These characters are in the Write
Buffer and can be corrected using
the Line Correct or Character
Correct Key.
NOTE: If you turn off RECord or turn off the power while there is an incomplete
record in the buffer, that information will be erased and must be retyped.
THE READ BUFFER
When you are reading (in Station 1 or 2) the tape head picks up one record at a time from the tape
and transfers it into the Read Buffer.
From there the record of information reads out through the
typewriter.
The tape head is always positioned on the tape one record ahead of the record which is in the
- - -
buffer, like this:
Record 1 Record 2
Now is the time for all good men (CR) to come to the aid of their country. (CR)
When this record is in the Read Buffer, the tape head is here on the tape.
NOTE: If you turn off the
power
while reading, the record (or portion of a record)
still in the buffer will be erased from the buffer. It is not erased from the tape.
However, when a Stop Code or End Code causes reading to stop, the next
- -
record does not go into the buffer until you begin reading again. If you turn
off the power at a Stop Code or End Page Code, no information will be lost.
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