CC11HUNICATIONS
SECTION 6.4
6.4.9 Echo
The 'echo flag', ECHOF (see section 9.7, page 9-37) determines
whether transmitted characters are echoed on the HUNTER screen.
Data transmission and reception are not affected and the
displayed characters are not passed to user programs or entered
in the receive buffer.
Echo can be regarded as a full/half-duplex selection, with
duplicate characters appearing on the screen
if the HUNTER is
communicating with a full-duplex host with echo 'on'.
6.4. 10 l.F
The line feed flag, LFACT (see section 9.7, page 9-37)
determines whether a LF character (decimal 10, Hex 'OA') is
inserted in the data stream transmitted by HUNTER automatically
following every CR (Decimal 13, Hex 'OD') in the transmitted
text.
If selected, on (LF-y), line feeds are inserted after CR even if
line feed characters are
.al.r.eadY
~
in the data.
If selected, off (LF-n), line feeds are not inserted. However,
line feeds present in the data will be transmited.
NOTE: When sending binary data, the LF-y option will insert LF
characters if the data contains decimal 10, even if the decimal
10 character is not intended as a CR. Always select LF off (LF-
n) if using 8-bit transmission.
6.4.11 Null
VER.V09F·
The Null count is provided in the transmission set up for use
with printers that have a significant carriage return delay and
when no handshaking or buffer is available.
If selected, NULL inserts NUL (Decimal 00) characters in the
data stream after CR (and LF,
if selected with the LF-y option).
The number of nulls
is chosen from 0,2,5,10 or 20. these
options are provided by the HUNTER operating system and cannot
be varied.
NOTE: If transmitting binary files in 8 bit mode, null must be
selected off (Null-0), since it will otherwise insert Null
(Decimal 0) characters after every CR (Decimal 13) character.
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