HP 5245L Quick Start Guide

@
MANUAL CHANGES
MODEL 5245L
ELECTROMC
COT'NTER
Manual
Serial
Prefixed: 408-
Manual
Printed:
MAR
1964
MAKE
ALL CORRECTIONS
IN
THIS MANUAL
ACCORDING
TO ERRATA BELOW,
THEN
CHECK
THE FOLLOWING
TABLE FOR YOUR
INSTRUMENT sERIAL
PREFIX
{3
OIGITS)
OR SERIAL
NUMBER
(8
DIGITS} Ai{O
MAKE
ANY LISTED CHANGE(S)
IN THE MANUAL.
>
NEW
ITEM.
5ERIAL PREFIX OR NUMBER
MAKE MANUAL
CHANGES
SERIAL PREFIX
OR
NUMBER
MAKE MANUAL
CHAI{CEs
425-
429-
1.2
430-
t-2.3
442-
Lr2,3,4
Figure
5-35,
Table
6-1,
Change:
A25Q4
to_2N2043;
@
Stock No.
1850-0092.
Recornmended
replacement
for
all
5243A-65T
assemblies.
Table 6-1,
Delete:
MP39
Bracket;
Transformer
5248 A-LZA.
Paragraph 5-18
should
be
corrected
to
read
as
follows:
e. Adjust
A19R?
until
correct
count
appears.
Alternately
decrease
the
output of
the
oscillator
and
adjust
AlgR?
until manimum
sensitivity
is
obtained.
f.
Vary
frequency
below 50
Mc.
Correct
count
should
be
obained
over the frequency
range
with
a signal
input
of
100
mv.
Add: h.
The
above
procedure
adjusts
the counter
for
manimum
sine
wave operation. For
pulse
operatlon
the
sensttivity
mugt
be readjusted
for
manlmum
performance
with
either
positive
'
or
negative
pulses.
i.
For negative pulse
operation,
adjust sensitivity
by
turning
A19R7
in
a clockwise direction.
j.
For
positive
pulse
operation,
adjust
sensitivity
by
turning
A19R?
in
a counterclockwise
direction.
Paragraph
5-28
a.
change
last
line
to read
as follows:
".
. .
to
pERroD
or FREeuENcy.
"
Paragraphs
5-28
c,
and
5-29
c.
,
"
Change
20
Mc
to 50 Mc.
Figure
5-5:
Correct
Figure 5-5
as shown
in Figure
1.
Figure
5-29:
Change
"GATED
SIG
TO A17
(2)"
to
"A1?(13)".
Table 6-1:
Add:
A8DS2
through
DSg
2140-0028.
Change:
A21T1
to 9130-0035.
Supplement
A
for
05245-9001
t0-22-64

HP 5245L Specifications

General

Brand	HP
Model	5245L
Category	Cash Counter
Language	English