HP 8340b User Manual

HP-IB
Address
Access
1.
Press:
[SHIFT] [LOCAL]
This
lets
you
see
the
HP-IB
address
in
the
ENTRY
DISPLAY.
2.
To
change
the
HP-IB
address
(00
to
30):
a.
Rotate
the
front
panel
knob
or
use
the
keyboard
entry.
b.
When
the
desired
address
is
set,
press
[Hz].
The
HP-IB address
is
changed,
and
the
CHECK¬
SUM
updated
(note
that
only
the
working
data
is
updated).
3.
To
write
protect
the
HP-IB
address,
set
bit
5
of cal
constant
#57
and
lock
out
the
[SHIFT]
[LOCAL]
function:
a.
Access
the
working
data
cal
constant
#57
as
described
above.
b.
Set
bit
5
by
adding
32
to
the
HP-IB
address.
Enter
this
value.
c.
Press
[Hz].
Automatic
SYTM
to
YTO
Tracking
(Power
Optimization)
1.
To recalculate
and
store
the
working
data
checksum,
and
update
the
SYTM
GAIN
calibration
constants
(#9
through
12
and
50
through
53)
for
peak
RF
output
power,
press:
[SHIFT]
[PEAK]
This
also
automatically
turns
off
the
CAL FAULT
indicator
without
performing
an
instrument
preset.
Working
Data to Protected
Data
Transfer
1.
To recalculate
and
store
the
working data
checksum,
and
store
working
data
as
protected
data,
press:
[SHIFT]
[MHz]
[1] [4]
[Hz]
[SHIFT]
[kHz]
[5]
[3]
[4]
[9]
[Hz]
This
is
the only
way
to to
update
protected
data.
If
this
data transfer
fails,
the
message
EEPROM
FAILURE,
CAL
NOT
RESTORED is
displayed
in
the
ENTRY
DISPLAY.
Protected Data
to
Working Data
Transfer
1.
To
recall
protected
data
and
store
it
in
the
working
data
memory location, press:
[SHIFT]
[1Hz]
[1] [4]
[Hz]
[SHIFT]
[kHz]
[1] [9]
[4]
[6]
[Hz]2.
After
writing
over
the
working
data, press
[SHIFT] [PEAK]
to optimize
instrument
operation.
A-14
Assembly-Level
Service
Calibration
Constants
HP 8340B/41B

HP 8340b Specifications

General

Brand	HP
Model	8340b
Category	Inverter
Language	English