RX-4508
AM/FM STEREO RECEIVER
OPERATING INSTRUCTIONS
Safety Information
READ THIS BEFORE OPERATING YOUR UNIT
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE FRONT OR BACK COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
This symbol indicates the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
This symbol indicates important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION
•• Leave space around the unit for sufficient ventilation.
•• Avoid installation in extremely hot or cold locations, or in an area that is exposed to direct sunlight or heating equipment.
•• Keep the unit free from moisture, water, and dust.
•• Do not let foreign objects in the unit.
•• Keep the ventilation openings clear of items, such as newspapers, linens, or curtains.
•• Keep open flame from candles or other sources away from the unit.
•• Observe the local regulations regarding disposal of packaging materials, exhausted batteries and old equipment.
•• Do not expose the unit to dripping or splashing, or place objects filled with liquids such as vases.
Caution regarding installation
•• Do not let insecticides, benzene, or thinner come in contact with the unit.
•• Never disassemble or modify the unit in any way.
Notes on the AC power cord and the wall outlet
•• The unit remains connected to AC power as long as it is plugged into the wall outlet, even if the unit has been turned off.
•• To completely disconnect this product from AC power, disconnect the plug from the wall socket outlet.
•• When setting up this product, make sure that the AC outlet you are using is easily accessible.
•• Disconnect the plug from the wall outlet when not using the unit for long periods of time.
Do not block ventilation openings or stack other equipment on the top.
Note: For heat dispersal, do not install this unit in a confined space such as a bookcase or similar enclosure.
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Table of Contents
2SAFETY INFORMATION
3TABLE OF CONTENTS
4GETTING STARTED
4What's Included
5Installing the Remote Control Battery
5Operating the Range of the Remote Control
6PARTS DESCRIPTION
6Front Panel
7Front Display
7Rear Panel
8Remote Control
9MAKING CONNECTIONS
9Connecting Speakers
9 Placing Speakers
9 Connecting Speakers
11Connecting Playback Components
11 Connecting Audio Components
12 Connecting Recording Components
13Connecting an Antenna
13 Connecting FM Antenna
14 Connecting AM Antenna
15 Connecting Power
16 OPERATING YOUR SYSTEM
16Listening to Your System
16 Basic Operation
17 Muting the Sound
17 Adjusting the Sound Balance (Left and Right)
17 Adjusting the Tone (Bass and Treble)
18Listening to Radio
18 Selecting the Band
18 Manual Tuning
18 Auto Tuning
18 Manual Presetting
19 Auto Presetting
20 Tuning in to Preset Stations
20 Scanning Preset Stations in Sequence
20 Switching FM Stereo/Mono Mode
21Bluetooth
21 Pairing with the Bluetooth Device
21 Listening to Music on Device
22Recording
23Using Other Functions
23 Setting the Sleep Timer
23 Setting the Auto Power Control
23 Adjusting the Brightness of the Fluorescent Display
24TROUBLESHOOTING
24 GENERAL
24 SOUND
25ADDITIONAL INFORMATION
25Specifications
26Trademarks and Licenses
3
Getting Started
What's Included
ON / STANDBY |
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VOLUME |
MEMORY |
TUNE / PRESET |
INPUT |
PHONES
Main unit
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POWER |
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A |
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B |
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0 |
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CD |
AUX |
PHONO |
TUNER |
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VOLUME |
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T |
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P |
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BAL |
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BASS |
TREBLE |
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Remote control (1 ea) |
Battery |
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FM Antenna (1 ea) |
AM Antenna (1 ea) |
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Warranty |
User Manual (1 ea) |
Warranty (1 ea) |
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Getting Started
Installing the Remote Control Battery
1 Remove the battery cover. |
2 |
Insert two AAA size batteries with the |
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polarity matched properly. |
•• Always use alkaline batteries, and do not use the rechargeable batteries (Ni-Cd type).
•• If the batteries run out, remove the old batteries and replace them with new ones within several minutes.
•• If the batteries are removed or have been exhausted for a longer period of time, memorized contents will be cleared. In this case, you should memorize them again.
•• If the battery is placed incorrectly, it can cause explosion.
•• Remove the battery if the remote control is not used for a long period of time.
•• Do not leave the product in a hot or humid place.
•• Do not handle and store the battery with metallic tools.
Operating the Range of the Remote Control
Use the remote control within a range of about 7 meters (23 feet) and angles of up to 30 degrees aiming at the remote control sensor.
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Parts Description
Front Panel
1 |
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3 |
4 |
VOLUME
ON / STANDBY
MEMORY |
TUNE / PRESET |
INPUT |
PHONES
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ON/STANDBY Button |
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Function Buttons |
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Bluetooth Indicator |
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•• Tuning Up/Down - See page 18. |
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•• Preset Up/Down - See page 18. |
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IR Sensor |
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•• Auto Tuning - See page 18. |
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4 |
Display |
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•• Bluetooth Playback Control - See page 21. |
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5 |
Headphone Connector |
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Input Selector |
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6 |
Memory Button |
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10 |
Volume Control |
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7 |
Tune/Preset Select Button |
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Parts Description
Front Display
1 |
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6 |
7 |
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9
1
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4
5
Information Display Headphone Indicator Stereo Indicator Tuned indicator Sleep Timer Indicator
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Preset Indicator
Station Memory Indicator
Preset Station Indicator
Tone Direct Indicator
Rear Panel
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1 |
Radio Antenna Connectors |
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4 |
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2 |
Phono Connectors |
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5 |
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3 |
Audio Input Connectors |
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Audio Output Connectors
Speaker Connectors
AC Input Cord
7
RX-4508 AM/FM STEREO RECEIVER |
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Remote Control |
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1 |
Numeric Buttons |
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POWER |
19 |
2 |
Preset Button |
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3 |
Source Select Buttons |
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4 |
Tone Control Button |
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5 |
▲/▼ |
Preset Up/Down Buttons |
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18 |
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◄/► |
Tuning Up/Down Buttons |
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MEMO/ENTER |
Memory/Enter Button |
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Balance Adjust Buttons |
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DIMMER |
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Bluetooth Button |
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17 |
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8 |
Bass Up/Down Buttons |
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SLEEP |
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2 |
16 |
9 |
Treble Up/Down Buttons |
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15 |
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Bluetooth Previous/Rewind Button |
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3 |
11 |
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Bluetooth Next/Fast Forward Button |
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14 |
12 |
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Bluetooth Play/Pause Button |
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TONE |
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DIRECT |
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Volume Up/Down Buttons |
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Mute Button |
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5 |
13 |
15 |
Mono/Stereo Select Button |
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16 |
Sleep Button |
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12 |
17 |
Dimmer Button |
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SEARCH |
18 |
Speaker Select Button |
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11 |
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MODE |
19 |
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7 |
Power Button |
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8 |
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RC-157
8
Making Connections
Connecting Speakers
Placing Speakers
Determine the locations for your speaker placement according to their manufacturer’s directions and the layout of your listening room.
Left and right speakers
•• Place the speakers with their front surfaces as flush to the TV or monitor screen as possible.
•• Place each speaker so that sound is aimed at where listener's ears would be in the main listening position.
Connecting Speakers
Carefully check the left (L) and right (R) channels and the polarities on the speakers being connected to this receiver.
Connecting Speaker Wires
1 |
Strip away approx. 10 mm (3/8 inch) of |
3 Insert the bare part of the wire. |
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wire insulation, and then tightly twist the |
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wire ends.
2 |
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Loosen the speaker terminal by turning it |
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counter-clockwise. |
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4 |
Tighten the speaker terminal by turning it |
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clockwise. |
9
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