Pioneer SUPERTUNER KE-3750QR User manual

CASSETTE CAR STEREO oe
WITH
FM/AM
ELECTRONIC
TUNER
—
_
OWNER’S
MANUAL
“Thank you for. purchasing. this: PIONEER product. Before attempt:
ing operation, be sure to read this manual.
Nous vous remercions.d’avoir acheté cet appareil Seat Avant
“de l'utiliser, prendre soin de lire ce manuel.
Muchas gracias ‘por la -adquisicién: de este producto. PIONEER.
Antes.de tratar de operario, lea atentamente este manual.
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® PIONEER
CASSETTE TUNER: COMBINATION
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: The Art of Enter ait me

Features
Built-in highly sensitive “Super Tuner” for automatic control of
stereo separation, muting and frequency characteristics to match
the strength of the FM signal.
The Best Stations Memory automatically memorizes the six best
(strongest) stations in the six preset buttons in the order of their
strength.
Preset scan tuning for sequential recall of preset frequencies.
Auto
reverse
function
eliminates
the
need
to
turn
the
cassette
over and allows uninterrupted playback.
Built-in Dolby B NR for reduced tape hiss.
(This feature is provided for the KE-37500R.)
Music
search
function
allows
automatic
playback
from
the
begin-
ning
of
the
selection
being
played
or
the
beginning
of
the
next
selection.
(This feature is provided for the KE-37500R.)
When
a
power
amp
with
RCA
terminal
is
used
in
combination
with
a
4-speaker
system
equipped
with
built-in
amp,
a
4-speaker
system
with
fader
control
capabilities
operates
as
well.
Build
in
“Flex
Fader
Control”.
(This feature is provided for the KE-3750QR.)
4-speaker
system
creates
a
full-bodied
listening
environment.
(This
feature
is
provided
for
the
KE-2750Q0R.)
The
“Quick
Release
Mounting
Bracket",
facilitates
mounting
and
dismounting
of
the
car
stereo
and
serves
to
protect
the
unit
from
theft.
Dolby
noise
reduction
manufactured
under
license
from
Dolby
Laboratories
Licensing
Corporation.
“DOLBY”
and
the
double-D
symbol
OO
are
trademarks
of
Dolby
Laboratories
Licensing
Corporation.
Switching
the
Tuning
Steps
| _ KE-37500R
Power switch Display
® Changing the tuning step
The
tuning
steps
of
the
AM
band
for
this
unit
can
be
switched
be-
tween
9
kHz
and
10
kHz
per
step.
The
tuning
step
should
be
switched
from
9
kHz
(which
is
preset
at
the
factory)
to
10
kHz
when
this
unit
is
used
in
North
America,
Central
America,
or
South
America.
1.
2.
Press
the
eject
button
to
eject
the
cassette,
and
then
turn
left
the
power
switch
to
turn
off
the
power.
To
change
-the
AM
tuning
step,
hold
down
the
up
(>)
or
down
(<J)
tuning
button
and
at
the
same
time
turn
the
power
switch
to
turn
the
power
on.
It
should
bee
noted
that
changing
the
tuning
step
also
deletes
frequencies
stored
in
the
tuning
memories.
_—
Specification
Initial
Setting
New
Setting
9 kHz steps
531 — 1,602 kHz
[
Tuning
steps
10
kHz
steps
530 — 1,710 kHz
| Frequency range

ee al Nag a en
Connections
Note:
To avoid shorts in the electrical system, be sure to disconnect the
battery © cable before beginning installation.
Replace the fuse only with the type stipulated on the fuse holder.
Be sure to properly connect the color coded leads. Failure to do
so can cause malfunctions.
Cover unused terminals with tape to prevent electrical shorts.
Refer to the power amp owner’s manual when connecting a
power amp (sold separately) to the RCA pin jack. (KE-37500R)
When the power amp is being linked with this system, be sure
not to connect the blue lead to the amp’s power terminal. Like-
wise, when linking this system with the auto-antenna, do not
connect to power terminal for the antenna. Such connection can
make overcurrent cause malfunctions.
Black (ground) To vehicle (metal) body.
If this unit is combined with a power amp,
connect its blue lead to the blue lead (sys-
Blue tem control terminal) of the power amp. If
combined with an auto-antenna, connect
its blue lead to the relay control terminal of
the auto-antenna. (MAX. 300 mA, 12 V DC)
Red To electric terminal controlled by ignition
switch (12 V DC) ON/OFF.
tm.
ake
CY:
ee
PD
2-speaker
system
To
aca :
I White
f » '
|
Red |
se Sie acti at
C_ JI
Antenna jack No connection in this
type of system.
(These leads are included
with the KE-37500R.)
Black (ground)
Red Fuse holder
Blue
: ee ae
Not connected to anything
for 2-speaker seen
icemaadeecameiads ||||iesieaia i |
i Green/red \
, es 7 Gravired

4-speaker system 1
Antenna jack
Black (ground)
Red Fuse holder
— {fp
No connection in this
type of system.
(These leads are included
with the KE-3750QR.)
4-speaker
system
2
(Using
separately
available
amp.)
(KE-37500R)
Connection cords with RCA pin plugs
(sold separately)
3 White
fe) ()) ©) d
Le (0) ©) i 2 —H {Wb
: Of | ath
Red
ise
Antenna jack . Power amp
(sold. separately)
Black (ground) Blue Bide
—————__{p <a
ned Fuse holder
WAN ee ee ana |
a Green/red
No connection in this * —
aa
type of system. { i Gray/red
ise eee | ec |
Front @© Green Gray © Front
=, cao [> ac ED
(@)
=
to
(@))
Se
“8
0
(>
ad,
Black Right
Rear
~ 2 ©re
Note:
Connect
to
the
front
speakers
with
the
green
and
gray
leads.
If
you
connect
with
the
green/red
and
gray/red
leads,
this
unit’s
fader
control
will
not
operate.

Installation
Note: @ If installation angle exceeds 30° from horizontal, the unit might
@
Use
only
the
parts
included
with
the
unit
to
ensure
proper
instal-
not
give
its
optimum
performance.
(Fig.
1)
lation. The use of unauthorized parts can cause malfunctions. @ Before removing this unit from your vehicle, be sure to remove
® Consult with your nearest dealer if installation requires the drill- cassette tapes and make sure that radio power is switched OFF.
ing of holes or other modifications of the vehicle.
Installation with the rubber bush
Dashboard
Select the appropriate mounting bracket
tabs to match the thickness of the dash- 7
board and bend them in using a flat 30
screwdriver.
Fig. 1
Install it with stamp (A) facing upward.

Installation
without
the
rubber
bush
Nut (5 mm) Dashboard
Drill 5.5 - 6.0 mm
diameter hole.
Screw (5 X 16 mm)
S
Nut (5 mm)
Strap
Be sure to use the strap to secure the
back of the unit in place to prevent wow
and flutter. The strap can be bent by
hand to the desired angle.
Locking
and
Releasing
Quickrelease
Handle
Push
the
pop-up
button
in
the
mechanism
to
move
the
quickrelease
handle
moves
up
slightly.
If
the
quickrelease
mechanism
will
not
be
used,
you
can
lock
the
handle,
keeping
it
down.
Pop-up button
When
the
quickrelease
handle
is
on
the
bottom,
push
the
button
to
move
it
up
slightly.
Push
it
when
you
remove
the
unit
from
the
dashboard.
The
button
works
only
when
the
handle
lock
is
released.
Locking the Handle
Insert the attached pin through this hole
and lock the inside lever. Move the
handle to the bottom to lock it.
Handle
Releasing the Handle Lock
Insert
the
attached
pin
through
this
hole
and
release
the
inside
lever
lock.
In
the
initial
setting,
the
handle
lock
is
released.

Using the Radio
Pop-up button
Band Tuning Preset
KE-37500R
Fader Bass Treble Display
Best stations memory
Local station
Preset scan
Volume/balance/loudness/power switch (KE-37500R)
Volume/balance/power switch (KE-27500R)
Loudness (KE-37500R) Seek
Frequency
“Loup Loc seek |
‘CD.
Stereo
Band Preset number
for)
Before attempting operation...
Set the fader control to the left horizontal.
Turning the power switch to the right causes power to switch ON
and the current frequency to appear on the display.
Since the set is designed preferentially for tape play, eject a
cassette tape, if mounted, before operating the radio.
. Press the band switch to select the band.
. Press both ends of tuning button and the seek tuning indicator
will appear on the display.
Press either the left or right side of the tuning button to tune in
the desired frequency. (Pressing the right side will increase the
frequency.)
. Adjust the volume and balance. To adjust the balance, first pull
the knob until a click is heard. After setting to the desired level,
push the knob in again to its original position.
. Adjust the tone.
To enter a frequency into the preset memory...
. Hold down one of the preset buttons (1-6) for approximately two
seconds. The frequency is stored in memory (assigned to the
preset button pressed) once the preset number stops flashing on
the display.
Six FM1 frequencies, six FM2 frequencies, six FM3 frequencies
and six AM frequencies can be entered.

a
® Best Stations Memory Button
Automatically
tunes
strong
frequencies
and
assigns
them
to
preset
buttons
1
through
6
for
one-touch
automatic
tuning.
The
best
sta-
tions
memory
function
is
activated
by
pressing
this
button
for
ap-
proximately
2
seconds.
The
best
stations
memory
function
is
indi-
cated
by
--——
flashing
on
the
display,
and
this
function
can
be
canceled
by
pressing
the
band
switch.
The
frequency
display
re-
turns
once
the
best
stations
memory
function
is
complete.
The
fre-
quency
displayed
at
this
time
is
of
the
strongest
station
assigned
to
preset
button
1
by
the
best
stations
memory
function.
®
6
best
(strongest)
frequencies
are
memorized
in
the
6
preset
but-
tons
in
the
order
of
their
strength,
the
strongest
one
being
as-
signed
to
preset
button
1.
@
The
frequencies
previously
assigned
to
the
preset
buttons
are
re-
tained
when
6
frequencies
cannot
be
located.
@
The
best
stations
memory
is
in
operation
while
———
is
flashing
on
the
display.
@ Local Station Switch
Pressing
this
switch
increases
the
seek
threshold
level
so
that
only
relatively
strong
stations
can
be
tuned
in
(local
indicator
will
illumi-
nate
on
the
display).
Local
seek
threshold
level
can
be
selected
among
four
levels
for
FM
and
two
levels
for
AM.
Holding
this
switch
down
for
approximately
2
seconds
and
then
pressing
the
right
side
of
the
tuning
button
changes
the
display
from
L-1,
L-2,
L-3
to
L-4.
Pressing
the
left
side
of
the
tuning
button
changes
the
display
from
L-4, L-3,
L-2
to
L-1
(L-1
and
L-2
for
AM).
The
bigger
the
number,
the
higher
the
seek
threshold
becomes
and
only
relatively
strong
stations
can
be
tuned
in.
@ Fader Control
This
control
is
used
to
adjust
the
balance
between
the
front
and
rear
speakers
when
using
a
4-speaker
system.
Turning
the
contro!
up-
wards
decreases
the
volume
of
the
rear
speakers,
while
turning
it
downwards
decreases
the
volume
of
the
front
speakers.
With
2-speaker
systems,
set
this
control
to
a
horizontal
position.
Aconsiderable
amount
of
sound
will
continue
to
be
produced
from
speakers
of
a
4-speaker
system
which
have
been
cut
by
setting
the
fader
control
either
to
the
front
speakers
or
rear
speakers.
This
is
normal
and
does
not
indicate
malfunction.
@ Loudness Switch (KE-37500R)
When
playing
back
a
tape
or
listening
to
the
radio
at
low
volume,
the
low
tone
is
emphasized
and
more
clearly
heard
by
pressing
this
switch.
Treble
is
emphasized
automatically
when
the
volume
is
turned
down,
regardless
of
whether
the
sw’
4
is
on
or
off.
@ Auto-Loudness (KE-27500R)
When
playing
back
a
tape
or
listening
to
the
radio
at
low
volume,
the
low
and
high
tones
are
automatically
emphasized.

Seek Tuning
Press
both
ends
of
tuning
button
and
tuning
to
the
next
higher
or
lower
broadcast
on
the
band
can
be
accomplished
automatically
by
simply
pressing
either
the
right
or
left
side
of
the
tuning
button.
FM
frequencies
change
in
50
kHz
steps
while
those
in
the
AM
band
change
in
9
kHz steps.
@
AM
frequencies
are
tuned
in
10
kHz
steps
after
the
tuning
steps
are
changed.
Preset Scan Tuning
Pressing
the
preset
scan
button
(CH
indicator
flashes)
causes
pre-
viously
stored
frequencies
to
be
tuned
in
sequentially
for
eight
sec-
onds
each.
Press
again
when
the
desired
frequency
is
tuned
in
to
cancel
preset
scan
tuning.
Preset Tuning
Pressing
the
preset
button
instantly
tunes
in
the
frequency
pro-
grammed
in
the
memory
for
that
button.
Manual Tuning
When
manual
tuning
is
employed,
FM
frequencies
change
in
50
kHz
steps while AM frequencies change in 9 kHz steps.
@
AM
frequencies
are
tuned
in
10
kHz
steps
after
the
tuning
steps
are
changed.
1.
Press
both
ends
of
tuning
button
and
the
seek
tuning
indicator
will
disappear
from
the
display.
2.
Change
the
frequency
by
pressing
either
the
left
or
right
side
of
the
tuning
button.
Pressing
the
button
once
will
change
the
fre-
quency
one
step
(see
above).
Continuously
depressing
either
side
of
the
button
will
successively
change
the
frequency
at
the
prescribed
step.
® Pop-up button
When the quickrelease handle is on the bottom, push the button to
move it up slightly. Push it when you remove the unit from the dash-
board.
The button works only when the handle lock is released.
Before removing this unit from your vehicle, be sure to remove cassette tapes and
make sure that radio power is switched OFF.
Q”
Me:

Using
the
Tape
Deck
a
ee
Pop-up
button
Fast
forward,
rewind/direction
change
Eject
Cassette door
lon. SUPERSAUNER
|
KE-37500R
Fader
Bass
Treble
Display
Dolby B NR (KE-37500R)
Tape select (KE-37500R)
Music search (KE-37500R)
Volume/balance/loudness/power
switch
(KE-37500R)
Volume/balance/power
switch
(KE-2750QR)
Loudness (KE-37500R)
Music search (KE-37500R)
Direction
Metal
(KE-37500R)
Dolby
B
NR
(KE-37500R)
a
a
10
® Before attempting operation...
@
Set
the
fader
control
to
the
left
horizontal.
1.
Turning
the
power
switch
to
the
right
causes
power
to
switch
ON.
2.
Loading
a
cassette
tape
into
the
load
slot
causes
playback
to
begin
automatically.
3.
Adjust
the
volume
and
balance.
To
adjust
the
balance,
first
pull
the
knob
until
a
click
is
heard.
After
setting
to
the
desired
level,
push
the
knob
in
again
to
its
original
position.
4. Adjust the tone.
5.
When
tape
playback
reaches
the
end
of
the
tape,
playback
will
automatically
switch
from
the
side
being
played
to
the
opposite
side
(ie.
Side
A
to
Side
B
or
vice
versa)
(Auto-reverse}).
To
eject
the
tape
during
playback,
press
the
eject
button.
©
A
loose
or
warped
label
on
a
cassette
tape
may
interfece
with
the
eject
mechan-
ism
of
the
unit
or
cause
the
cassette
to
become
jammed
in
the
unit.
Avoid
using
such
tapes
or
remove
such
labels
from
the
cassette
before
attempting
use.
©
Do
not
try
to
eject
the
cassette
immediately
after
insertion,
as
it
will
cause
mal-
function.
Wait
a
few
seconds.
@
Loose
tapes
should
be
rewound
with
the
aid
of
a
pencil
and
unevenly
wound
tapes
rewound
with
the
use
of
the
fast
forward
function.
@
Be
sure
to
eject
the
tape
when
the
vehicle’s
ignition
is
turned
OFF.
Leaving
the
tape
in
the
unit
can
deform
the
pinch
roller
causing
wow
and
flutter
during
tape
playback.