Stella ST415T User manual

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The ideal companion
REMEMBER —The full Stellaquality
range includes:—
•
4 - Track Tape Recorders.
RecordPlayers.
'
TransistorPortables.
RadioReceivers.
TelevisionReceivers.
Radiograms
and
Ada Refrigerators and Washing
Machines.
Stella Radio & Television Co. Ltd.
ASTRA HOUSE, 121-3SHAFTESBURYAVENUE,LONDON, W.C.2.
Sole concessionaires in the U.K. for
Ajax Domestic Appliance Co. Ltd. (ADA)
Printed in England PG.018.36.0.
Stella
The idealcompanion
OPERATING
INSTRUCTIONS
TRANSISTOR
PORTABLE
RADIO RECEIVER
"ST415T"

THE STELLA " ST415T "
ALL TRANSISTOR
PORTABLE RADIO
For BatteryOperation
GUARANTEE
The guaranteecoveringthisapparatus is validonly if
the accompanyingguaranteeregistercard is completed
and Part 2 returned tous within seven days.
For yourinformation,valves and/or transistors in this
apparatus are separatelyguaranteedagainst faulty work-
manship or material bythe valve or transistor manufacturer
for periods of threemonths for valves and twelvemonths
for transistors.Claimsunderthese guarantees will only
be entertained ifthe faulty valve or transistor is returned
tothe manufacturerconcernedthrough a radiodealer,
preferably theone fromwhom the apparatus was obtained,
supported by proof, if required, of the date of supply to
the customer.
•'
GENERAL
Guarantee
Please readimportantnoticeopposite.
Battery
This receiver isnot normallysuppliedwith a battery.
A battery ofthe followingtype, orits equivalent,must
therefore be purchased andfitted:—
Ever Ready PP7
Vidor T6007
Exide DT7
Tofitthe batt«ry, first make surethat the receiver
is switched off. Now place the receiverfacedownwards
ona soft cloth, unscrew thetwo securingscrews atthe
back ofthe receiver, and lift offthe cover.Install the
battery as shown in Fig. 1 and clip onthe pressstud
connectors.Replace the back cover and tighten the
securing screws.
Battery Economy
This receiveremploystransistorsthatconsumelittle
current.Therefore,yourbatterywilllast a long time
andthe cost of running the receiverwill be low. More-
over, youcan extendbattery life evenfurther by running
thesetfor shortratherthanlongperiods, andbynot
letting the soundvolumeexceed the levelreallynecessary
for comfortablelistening. A singlebatterywillprovide
manyhours of entertainment ifyou keep the volume
down and switch offthe receiverwhen itisnot wanted.

If the receiver istobeoutofusefora long time, the
batteryshould be removed and stored ina cool, dry
placeuntil itis wantedagain.
Exhausted batteries can becomeleaky and must be
removed from the batterycompartmentwhetherthey
are tobe replaced or not.
Aerial
The receiver is fitted with an internal " Ferroceptor "
aerial of specialdesignprovidingexcellentsensitivity.
The aerial is directionaland,after tuning, the receiver
should be rotated to obtainmaximumstationvolumewith
minimuminterference. An aerialsocketwhichwillaccept
car aerialplugs in general useis provided onthe right-
handside ofthe case for makingconnection toa car
radioaerial.
Fig. 1
Earth
No earthconnection is necessary for thisreceiverwhen
itis used asa portable. A connection tothe chassis is
automaticallymade bythe screening ofthe aerial feeder
when the receiver is used ina car.
OPERATION
Volume and On/Off Control
Switch onthe receiver by turning the combinedOn/Off
Switch and Volume Control tothe left C^ffi) until
thered part ofthe knob is visible anda hiss from the
loudspeakerindicatesthat the battery is supplyingcurrent.
, To increase the volume turn the controlfurther tothe
left; to decrease the volumeturn the control tothe right.
To switch offthe receiver turn the control fully tothe
right
Fig. 2
Wavechange Buttons
Select the required waveband by depressing the left-
hand button forthe longwaveband (1215-2000 metres);
the right-handbutton forthe mediumwaveband (187-555
metres). Itis unnecessary to switch off the receiver before
changingwavebands.

Tuning Control
Using the tuningcontrol,tune inthe requiredstation,
adjusting the control finallyto obtain the mostpleasing
sound quality.Rotate the receiver to obtainmaximum
programme volume and minimuminterference.
Ina Car
When the receiver is used ina carthe screening effect
of the bodyworkwillprobablymake the signal too weak
for satisfactoryreception. A socket is provided (see
" Aerial" page 2)so that ifan aerial isfittedtothe
carthe receiver maybe connected tothecar aerial for
betterreception.Operation ofthe receiverwillthen be
as alreadygivenexceptthat it will no longer be necessary
to rotate the receiver for bestreception.
If itis intended tousethe receiver with thecar
enginerunning,suppressorsshould befittedas they
would befora car radioinstallation to keepignition
interference toa minimum. Asan additionalprecaution
the radioshould be situated asfar from the engine as
practical.
Earphone
A highimpedanceearphone (AF9110/11, available
from yourradiodealer) maybe connected tothe special
earphonesocketprovided for personallistening.Plugging
inthe earphoneautomatically cuts outthe internalloud-
speaker and considerablyreducesbatteryconsumption.
Provided the instrument has beenoperated as described
above, it should give entiresatisfaction. Should you
require furtherinformation, the radiodealerfromwhom
it was bought should be able to help you. Ifatany time
a faultdevelops inthe receiver, he will be able to assist,
supportedwherenecessary bythe fullresources our Service
Agents provide.
i