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The
[CLR
I
LCL]
key
may
be used
to
dear
a
partial
DATA
entry or
clear
the flashing
REJ
ENTRY
indicator.
2-17.
RF
Output On/Off
The
RF
OUTPUT
[ON/ OFF]
key
allows the
operator
to
enable
or disable
the
RF
output
of
the
Generator. This
feature
is
useful
in
zeroing a
power
meter, finding
the noise floor
of a
system, or
determining
the
presence or source of
an
unknown
signal.
At
power-on,
the
RF
output
of
the
Generator assumes
the
state
it
was
in
when
the
Generator
was
turned
off.
Pressing
the
RF
OUTPUT
[ON/
OFF]
key
disables the
output of
the
Generator
and
causes the
RF OFF
indicator
(in
the
STATUS
display
field) to light. If
the
RF
ON/
OFF
was
off
at
power-on,
pressing the
[ON/
OFF]
key
will
enable
output.
2-18.
Modulation On/Off
and
Rate
The
MODULATION
ON/
OFF
keys allow the operator
to
select
any combination
of
modulation
or
no
modulation.
The
MODULATION
display
field
indicates
what combination
of
modulation
has
been
selected.
Each modulation
key
is
a
push-on
push-off type (except
the
[400/ 1000]
key).
The
[400/ 1000]
key
toggles the internal
modulation
oscillator
between 400 and
1000 Hz.
The
400
Hz
and 1000
Hz
indicators are
lit
only
when
Internal
AM,
FM,
<^M,
or Pulse
modulation
is
enabled.
2"19.
Memory
Memory
entry using the
[STO]
key
allows the
operator
to
save
up
to
50
complete
front
panel
settings for later
recall.
No
memory
location
needs
to
be
specified for the
sequence operation.
The
command
syntax
for
memory
entries
is:
Select
Memory
Function
—
Enter
Memory
Location
1.
Store the current front panel
setting
by
pressing the
[STO]
key
(located
below
the
DATA
keys).
The
last
memory
location stored or
recalled
is
displayed
in
the
FREQUENCY
display
field.
2
.
Use
the
DATA
keys
to
enter the two-digit
memory
location code.
The
location
code
must
contain both
digits
(e.g.,
01
,
02
,
...
50
).
The
two-digit
code appears
in
the
FREQUENCY
display
field
as
it
is
entered.
3.
Recall a front panel
setting
by
pressing the
[RCL]
key
(located
below
the
DATA
keys).
The
last
memory
location stored or recalled
is
displayed
in
the
FREQUENCY
display
field.
4.
Use
the
DATA
keys
to enter the
memory
location
code
of the desired front
panel
setting.
Remember,
the location
code
must
contain both
digits
of the
memory
location code.
Memory
location
98 contains
the
Instrument
Preset State that
can be
recalled
at
any
time.
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