The Set Handshake Mode 1 Instruction, Esc . H - HP 7470A Interfacing And Programming Manual

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NOTE: The receipt of something other than another
parameter, a semicolon, or a colon will result in error 12
overwriting error 14. I
[TERM]
The terminator defaults to carriage return, CR, unless it
is set by an ESC . M.
The Set Handshake Mode 1 Instruction,
ESC . H
DE3cRlP-"UN The set handshake mode 1 instruction, ESC . H, may
be used with the enquire/ acknowledge or Xon—Xoff handshake to estab­
lish parameters for the p1otter'scommunication format.
,
EB
It establishes the data block size, the enquiry character, and
the acknowledgment string when the computer requires that the para­
meters set in the ESC . M instruction be used in response to the enquiry
character or Xon character.
SYNTAX
. H [ (<DEC>) ; (<ASC>) ; (<ASC>(; . . .<ASC>)) 1;
DEFAULT.
H: See ESC . I default.
EXPLANATIONThe two instructions,
ESC. H and ESC. I, are mu­
tually exclusive. The parameter descriptions are the same for both
instructions and are given under the ESC . I instruction.
Handshake mode 1, established by this command, uses defaulted or
specified parameters of the ESC. M and ESC. N commands when
responding to the handshake enable or Xon trigger character.
The parameters used with handshake mode 1, handshake mode 2, and
output responses are shown in the following table. Choose the mode
and use handshake mode 1 (ESC . H) or handshake mode 2 (ESC . 1)
depending on the requirements of your system.
10-28
RS-232-C/CCITT V.24INTERFACING

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