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A
Operation
4.1
Introduction
This
section
contains
a
complete,
detailed description
of
each
front
and
rear
panel aspect
of
the
Model
707
A.
The
sec-
tion
is
arranged
as
follows:
4.2
Setup
Data
Paths: Describes
the paths
for
setup data
within a
Model 707
and
to/from a bus
controller.
4.3
Power-up
Procedure:
Details
how
to
connect
the
instrument
to line
power and
turn
it
on,
including
power-up
self-test
and
default conditions.
4.4
Displays
and
Messages: Covers
the uses
of
the
alphanumeric
display,
crosspoint
display,
and
make/
break and
break/make
row LEDs.
Also
lists
display
messages
that
may
be encountered during
front
panel
operations.
4.5
Selecting
Crosspoint
Display: Describes
how
to
select the
source of
relay
setup data
(current relay
setup
or
a stored
setup).
4.6
Modifying
Crosspoint Display: Discusses
the
opera-
tions
to
open/close crosspoint display
LEDs.
4.7
Copying
Crosspoint
Display: Describes copying a
display
to the
relays
and
to
memory.
4.8
Inserting
and
Deleting Stored Setups: Covers
how
to insert
a blank setup
in
memory
and
how
to
delete a
stored setup
from memory.
4.9
Menu
Operations:
Details
menu
item
selection
and
operation,
including
digital
I/O,
external
trigger,
matrix
ready, master/slave,
IEEE-488
bus
address,
relay
settling
time,
card
identification,
self-test,
and
factory
defaults.
4.10
Selecting
Switching Parameters: Covers
the pro-
grammed
settling
time
and
make/break, break/make
operations.
4.11
Triggering:
Details selecting the trigger
source
and
describes the operation
of
the
retu-
panel
trigger
input
and
output
jacks.
4.12
Resetting: Discusses
the reset
operation of
the
Model
707A.
4.2
Setup
data paths
The
design
of
the
Model
707
A
is
optimized
for
high speed
switching
of
relay setups
for
matrices with a
maximum
of
8
rows by
72 columns
(one
unit) to
8 rows
by 360 columns
(five units).
If
no rows
are selected
lor
make/break
or break/
make
operation, previously stored setups
can be
switched
to
the relays
at
a
rate
of
up
to
200
setups
per second.
Besides
the triggering
of
stored setup data
to
the relays, setup
data
can be routed
to/from
the
sources
and
destinations
shown
in
Figure
4-1
.
The
data paths are selected
by
the
front
panel or
IEEE-488
bus
operations
listed
in
Table
4-1.
Figure
4~1
Paths
for
relay setup
data
In
addition
to
other
front
and
rear
panel operations,
this
sec-
tion
describes setup data
transfers
that
are
performed from
the
Model 707
front panel.
Section 5
will
describe
the
bus
operations
that transfer
setup
data.
4-1
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