THE DATA MESSAGE
The Data Message is used
to
send Programming Codes to
the
3314A.
Programm-
ing Codes and
front
panel key
functions
have a 1 to 1 relationship in
most
cases,
that
is,
to
change
the
mode
to
Gate,
the
Program Code
It
M02"
would
be sent.
M02
is
the
remote equivalent of pressing
the
GEN key in local. Exceptions
to
this
rule are:
Front panel
functions
not
allowed in remote operation:
Shift
Cursor Right
Shift
Cursor
Left
Continuous Tuning (The
Modify
knob)
HP-IB Address
Viewing
and Selection
BLUE
shift
key (shifted
functions
have
their
own
programming codes)
Remote
functions
not
allowed
from
the
front
panel:
Data Transfer Mode Selection
Display Errors (ON or
Off)
SRQ
Mask
Status Byte Masking
Status
Byte
3314A
Program Codes have been categorized into 4
distinct
groups to help ex-
plain
them.
The
3314A
does
not
distinguish between these categories. The
4 categories are:
Immediate
Ex8CIte
ComIRlR.
2
letter
commands causing immediate action
Fanctian
Select
COIIImllld1
2
letter
prefix
plus a qualifier
digit
that
selects a particular
state
of
that
func-
tion
89
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