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SPECIAL CONTROL CODES
Reception of any of the following control codes from the input device will cause a special
printer action, as described below.
Function
BELL
LINE FEED
VERTICAL TAB
FORM FEED
CARRIAGE
RETURN
ELONGATED
CHARACTER
SELECT
DE-SELECT
DELETE
Octal
Code
007
012
013
014
015
016
021
023
1 "
I I
Description
Generates an audible tone, about two seconds in dur-
ation, in the speaker at the rear of the printer.
Advances the paper one line.
Advances the paper until the next hole in Channel
5
of the VFU paper tape is reached.
Advances the paper until the next hole in Channel 7
of the VFU paper tape is reached.
Causes the-line of characters stored in the printer
buffer to be printed. As a standard feature, an auto-
matic line feed occurs after printing the line.
Prints entire I ine of up to 66 characters as expanded
characters (double width).
Note:
Because of the two print heads and internal
logic in the 102A, a line of elongated char-
acters must be received in the following
order: (1) first 33 printable characters, (2)
33
"Don't care" characters,
(3)
next
33
printable characters, and
(4)
carriage return
code. The 102AL, however, prints the
first
66
characters double width.
Selects the printer (Le., makes it available to receive
data). Not available on Model 101.
De-selects the printer (Le.} prevents the printer from
receiv'ng
data}.
Not
available
on Modell 01.
Clears the buffer and initializes the printer
electronk~.
12
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