HP 8508A - Page 109

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Manual Changes
Manual
Changes
Section
7
el
7-1 INTRODUCTION
This
section
contains
a
list
of
current
changes
to
the
HP
8508A
Vector
Voltmeter
for
instruments
with
serial
.
number
prefix
2949U.
Instruments
with
a
serial
number
prefix
lower
than
29XXU
may
be
upgraded
by
replacing
the
EPROM
Assembly
(A5U18,
HP
part
number
08508-80010)
with
HP
part
number
08508-80012.
Refer
to
INSTRU-
MENTS
COVERED
BY
MANUAL
in
Section
1
for
additional
important
information
about
serial
number
coverage.
7-2
INSTRUMENT
MODIFICATIONS
ASU18
EPROM
Assembly
(HP
part
number
08508-80010)
has
been
replaced
by
HP
part
number
08508-80012.
Two
new
commands
have
been
added
to
the
HP-IB
Command
Set.
This
gives
the
option
of
adding
a
timeout
facility
to
the
MEASure
command.
The
new
commands
are:
MEASure:TIMEout <norf>
MEASure:TIMEout:STATe
<ON|OFFj1]0>
A
new
frequency
band
has
been
added.
Frequency
band
20
adds
a
20kHz
fixed
frequency
to
the
frequency
ranges
available.
The
current
firmware
revision
is
now
shown
in
Display
2,
for
a
few
seconds,
at
power
up.
E1089
.
11