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chassis, be sure the original shipping blocks
are put in place. \Vhen these blocks are not
available, make substitutes of corrugated
paper, sponge rubber, styroioam or si;nilar
material.
Customers quite often send a
shock-mounted-chassis instrument to us with-
out the shipping blocks or a suitable sub-
stitute in place.
Almost im·ariahly the in-
strument will suifer some shipping damage
because of the omission.
All
instruments
should
he
completely
wrapped in kraft paper or other pliable
dust-resistant material. Set the wrapped in-
strument in the original carton and place the
dunnage around it.
Close carton and seal
with gummed tape.
Tf the original carton is not available, use
a container of corrugated pape1-, wood, 01·
metal construction. The container should
lie
large enough to allow a minimum of one and
onc-bali inches clearance around the instru-
ment-top,
sides,
bottom and ends.
Fill
this clearance area with some type of com-
pressible material, and do not use <<'uoden
Mocks lo support the instnunent rigidly in
the carton. Rubberized hair, wood excelsior
or p;qier excelsior are prci erred materials.
Float the instrument so as to completely
surround it with an eyen thickness of this
protective material. In the absence of thcs<;
materials, sheets of corrugated paper cut
from other cartons will make an acceptable
substitute filler. Most instruments so packc'd
will survive ordinary shippi1w conditions in
good shape.
It takes a Ycry resolute and
satanically-minded shipping-agent employee
to succssfully d<1mage an instrument packed
in this manner.
If your copy of SERVICE SCOPE did
not carry your correct address, we would
like
\o
know so that we can remedy the
error.
Also, if your friends or associates
woulcl like
to
receive their own copies,
please tell them to write us-or you can
send us their names, titles, and addresses.
NEW FIELD MODIFICATION KITS
TYPE 524 FOUR-POSITION VERTI-
CAL SELECTOR SWITCH MODTFTC\-
TION KIT (with Revised Il\'E Response
Network.)*
For Type 524D Television Oscilloscopes,
sin's 101 to 1399 inclusive except those in-
struments that h;l\·e had the older Mod Kit,
Tek No. 040-057, installed.
This ·modification kit installs a four-posi-
tion vertical switch and an access panel to
provide the following improvements:
a. A FLAT vertical response to 5 mega-
cycles within l
'/r.
This passband is
necessary for measuring the radio-fre-
quency "burst" used in color TV.
b. A new TR E Response N ct work which
changes the roll off characteristics
\o
conform with the Standard '58 TRE
23.Sl, as amended July 1, 1961.
Order through your local Tektronix Field
Engineer 01· Field Office.
Specify Type
524D Four-Position Vertical Selector Switch
Mod Kit, Tek. No. 040-271. Price is $17.25.
*This new modification kit replaces the old
Type 524 Moel Kit Tek No. 040-057 which
installed a
four-position
vertical
selector
switch and access panel hut did not in-
clude the Revised-IRE-Response Network.
To install the IRE-Response Network in
instruments that have been modified with
Moel Kit No. 040-057, sec Type 524AD
Modification Kit dcscrihed elsewhere in this
column.
TYPE 524AD IRE NET\\'ORK MOD-
IFICA TTOK
KlT
For Type 524A
D
Television Oscilloscopes
sin's 1400 to 6584 inclusive and for Type
524D Television Oscilloscopes below sin
1400 that have hecn modified (Field Mod
Kit, Tek No. 040-057) to include a fonr-
position V crtical Response switch and ac-
cess panel.
This modification installs a new IRE
Response
Network in
the Type 524AD
Oscilloscope. This network changes the roll-
off characteristics to conform with the Re-
vised Standard '58 TRE 23.SI as amended
Jnlv
1.
1961.
The kit includes
a \'
ert ical-A mpli fier-Rc-
sponse Selector switch, drawings, schematic
arnl step-hy-stcp installation instructions.
Order throu.gh your local Tektronix Field
Engineer or Fielll Office.
Specify Type
524AD TRE Response Network Moel Kit.
Tek. r-\o. 040-263. Price is $12.20.
TYPE 525 IRE RESPONSE NET\\.ORK
MODIFIC.ATIOl'Z KIT
For Type 525 \\'aveform Monitor sin's
101 to 1299 inclusive.
This modification changes the 11-1.E l\c-
sponse characteristics in the Type 525 to
conform with the Revised Standard '58 IRE
23.Sl, as amended July 1, 1961.
The kit contains all the necessary com-
ponents, drawings, schematic and
~tcp-hy
stcp installation instructions.
Order through your local Tektronix Field
Engineer or Field Office.
Specify Type
525 IRE Response Network j\fod Kit, Tck
No. 040-265. Price is $4.50.
TYPE 527 IRE RESPO?\SE ?\ET\\'Of\K
MODIFICATION KlT
For Type 527 \\'ayeform :\Ionitors sin's
101 to 269 inclusive and Type RM527 \\'ave-
f orm Monitors, sin's 101 to 331 inclusive.
This modification changes the IRE Re-
sponse characteristics to eonf orm with the
rcyised Standard '58 IRE, as amended
J
uh·
1, 1961. It also improves the transient.
r~
sponsc of the instrument when the Vertical-
Sclcctor switch is in the l RE position.
The kit contains all necessary components,
drawings,
schematic and step-by-step in-
stallation instructions.
Order through your local Tektronix Field
Engineer or Field Office.
Specify Type
527 IRE Response ?\c\work Mod Kit, Tck
?\ o. 040-266. Price is $3.00.
TYPE 531A!TYPE 54L\ S\\ EEP LOO.:-
Ol'T MOlllFIC.AlO?\ !\Tr
For Type 531A, Type R}.'1JIA,
Type
.;41.A and Type RM41A Oscilloscopes, all
serial numbers.
This
modification
converts
the
ahm·e
oscilloscopes for study of one-shot pheno-
mena.
The mod kit includes a wired-chassis as-
semhly, tags, schematic, parts list and step-
hy-stcp installation instructions.
Order through your local Tektronix Field
Engineer or Field Office, Specify Type
531Al541A Sweep Lockout j\fod Kit, Tck
?\ o. 040-.235. Price is $47.00.
?\ote:
Predecessor models of the above
instnments were the Type, 531,
Type RM31, Type 541 and Type
RM41.
These instruments may
also he converted for the study oi
one-shot phenomena.
To convert
these
inst rumen ls,
order
Type
5311Typc 541 Sweep Lockout Mod
Kit, Tek 1\o. 040-118.
Price is
$47.00.
TYPE 555 OSCILLOSCOPE CRADLE-
MOl':\T MODIFICATION KIT
For Type 555 Oscilloscopes Indicator and
Power Supply. All serial numbers.
This modification allows the rack mount-
ing of the Type 555 Oscilloscope Indicator
and Power Supply.
The installation will
require approximately 34" of \·crtical height
in
<1
s\arnbnl rack
rnmm\.
The kit includes all \he necessary parts,
hardware and step-by-step installation in-
st rttct ions, inclucling photographs.
Order through your local Tektronix Field
Engineer or Field Office.
Specify Type
555 Cradle Mount Moel F::it, Tck No. 040-
.Z.:il. Price is $85.00.
MISSING INSTRUMENTS
Shell Development Company of Emcry-
\·ille, California, advises us that a shipment
of Tc kt ronix inst rumen ts consigned to them
disappeared.
These instruments were
1101
taken from their premises, hut from a truck
cluring transi\.
The truck was parked in
San Francisco, California overnight and the
entire load disappeared.
Following is a list
oi
the
Te
kt remix
in-
struments that were lost:
2-Typc 163 Pulse Generators, sin's 3300
&
3301
I-Type 162 \\'avcform Gcncratrn-, sin
6323
I-Type 160.A l'owcr Supply, sin 5567
r
f
you
h<wc
;my
inform;1\ion on
\he
whereabouts of these inst rumen ts, please
contact \he nearest of ficc of the Federal
Bureau of Investigation. Since this loss in-
nih·cs an interstate shipmen\, the F.B.T. is
concerned in the c;ise.
City College of San Francisco reports;
that between Septemlier 15 and 18, of this
year, a Type SlSA Oscilloscope, sin 613.;
disappeared and is presumed to he stolen.
:\nvonc with information on the whcrcahouts
of -this instrument should contact Rov Ed-
mison, City College of San Francisco,- Cali-
fornia.
A Type 512 Oscilloscope, sin
28~.
dis-
appeared from the Benson l'olyteclmic 1 ligh
School
in
Portland,
Oregon, during the
summer vacation.
A
sun·ey of authorized
personnel failed to turn up the instrument,
so it is presumccl lo kc\·e been stolen.
'\ny-
one with information on this instrument
should contact Mr. :\mold Grant, Benson
Copyright 1961 Tektronix, Inc.
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