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POWERED WOOFER CD SYSTEM
RV-NB1
GROUP DOWN
INSTRUCTIONS
LVT1265-003B
[B]
Warnings, Cautions and Others
IMPORTANT for the U.K.
DO NOT cut off the mains plug from this equipment. If the plug fitted is not suitable for the power points in your home or the cable is too short to reach a power point, then obtain an appropriate safety approved extension lead or consult your dealer.
BE SURE to replace the fuse only with an identical approved type, as originally fitted.
If nonetheless the mains plug is cut off ensure to remove the fuse and dispose of the plug immediately, to avoid a possible shock hazard by inadvertent connection to the mains supply.
If this product is not supplied fitted with a mains plug then follow the instructions given below:
IMPORTANT:
DO NOT make any connection to the terminal which is marked with the letter E or by the safety earth symbol or coloured green or green-and-yellow.
The wires in the mains lead on this product are coloured in accordance with the following code:
Blue: Neutral Brown: Live
As these colours may not correspond with the coloured markings identifying the terminals in your plug proceed as follows:
The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black.
The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red.
IF IN DOUBT - CONSULT A COMPETENT ELECTRICIAN.
CAUTION— 
ON/STANDBY button!
Disconnect the mains plug to shut the power off completely. The 
ON/STANDBY button in any position does not disconnect the
mains line. The power can be remote controlled.
CAUTION
To reduce the risk of electrical shocks, fire, etc.:
1.Do not remove screws, covers or cabinet.
2.Do not expose this appliance to rain or moisture.
IMPORTANT FOR LASER PRODUCTS
1.CLASS 1 LASER PRODUCT
2.CAUTION: Do not open the top cover. There are no user serviceable parts inside the unit; leave all servicing to qualified service personnel.
3.CAUTION: Visible and invisible laser radiation when open and interlock failed or defeated. Avoid direct exposure to beam.
4.REPRODUCTION OF LABEL: CAUTION LABEL, PLACED INSIDE THE UNIT.
CAUTION:
•Do not block the ventilation openings or holes.
(If the ventilation openings or holes are blocked by a newspaper or cloth, etc., the heat may not be able to get out.)
•Do not place any naked flame sources, such as lighted candles, on the apparatus.
•When discarding batteries, environmental problems must be considered and local rules or laws governing the disposal of these batteries must be followed strictly.
•Do not expose this apparatus to rain, moisture, dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.
Caution: Proper Ventilation
To avoid risk of electric shock and fire, and to prevent damage, locate the apparatus as follow: 1 Front:
No obstructions and open spacing. 2 Sides/ Top/ Back:
No obstructions should be placed in the areas shown by the dimensions below. 3 Bottom:
Place on the level surface. Maintain an adequate air path for ventilation by placing on a stand with a height of 10 cm or more.
Front View |
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Side View |
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15 cm |
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15 cm |
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15 cm |
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15 cm |
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15 cm |
RV-NB1 |
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RV-NB1 |
10 cm |
10 cm |
G-1
SAFETY INSTRUCTIONS
“SOME DOS AND DON’TS ON THE SAFE USE OF EQUIPMENT”
This equipment has been designed and manufactured to meet international safety standards but, like any electrical equipment, care must be taken if you are to obtain the best results and safety is to be assured.
Do read the operating instructions before you attempt to use the equipment.
Do ensure that all electrical connections (including the mains plug, extension leads and interconnections between pieces of equipment) are properly made in accordance with the manufacturer’s instructions. Switch off and withdraw the mains plug when making or changing connections.
Do consult your dealer if you are ever in doubt about the installation, operation or safety of your equipment.
Do be careful with glass panels or doors on equipment.
DON’T continue to operate the equipment if you are in any doubt about it working normally, or if it is damaged in any way—switch off, withdraw the mains plug and consult your dealer.
DON’T remove any fixed cover as this may expose dangerous voltages.
DON’T leave equipment switched on when it is unattended unless it is specifically stated that it is designed for unattended operation or has standby mode.
Switch off using the switch on the equipment and make sure that your family know how to do this. Special arrangements may need to be made for infirm or handicapped people.
DON’T use equipment such as personal stereos or radios so that you are distracted from the requirements of traffic safety. It is illegal to watch television whilst driving.
DON’T listen to headphones at high volume as such use can permanently damage your hearing.
DON’T obstruct the ventilation of the equipment, for example with curtains or soft furnishings.
Overheating will cause damage and shorten the life of the equipment.
DON’T use makeshift stands and NEVER fix legs with wood screws—to ensure complete safety always fit the manufacturer’s approved stand or legs with the fixings provided according to the instructions.
DON’T allow electrical equipment to be exposed to rain or moisture.
ABOVE ALL
—NEVER let anyone, especially children, push anything into holes, slots or any other opening in the case—this could result in a fatal electrical shock.
—NEVER guess or take chances with electrical equipment of any kind—it is better to be safe than sorry!
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Thank you for purchasing the JVC Powered Woofer CD System.
Before operating this system, read this manual carefully and thoroughly to obtain the best possible performance from your system, and retain this manual for future reference.
Features
Here are some of the things that make your system both powerful and simple to use.
■General
•With JVC’s COMPU PLAY you can turn on the system and automatically start the radio, disc player, or cassette deck with a single touch. (Only when AC power is used.)
•Shoulder strap and carrying handle
•ACS (Active Clear Sound) circuit for enhanced sound reproduction
•Super woofer volume control that provides powerful bass
•Sound mode control—reproducing various sound fields
•Remote control unit that operates the disc, cassette, and tuner functions
•Locking mechanism for disc and cassette door
•Microphone/guitar input
■Disc playback mode includes Skip Play, Search Play, Repeat Play, Random Play, and Program Play.
■Cassette player having full logic cassette mechanism, auto reverse, and auto tape mechanism.
■A 45-station preset capability (30 FM and 15 AM (MW/LW)) in addition to auto-seek and manual tuning.
■Clock/timer functions, timer on/off with preset volume function, and sleep timer.
IMPORTANT CAUTIONS
■1. Where to place the system
•Select a place which is level, dry and neither too hot nor too cold (between 5°C and 35°C).
•Leave sufficient distance between the system and a TV.
•Do not use the system in a place subject to vibrations.
■2. Power cord
•Do not handle the power cord with wet hands!
•Some power is always consumed as long as the power cord is connected to the wall outlet.
•When unplugging the system from the wall outlet, always pull the plug, not the power cord.
■3. When carrying the system
•Remove a disc from the system.
•Disconnect all the cords from the system.
■4. Malfunctions, etc.
•There are no user serviceable parts inside. In case of system failure, unplug the power cord and consult your dealer.
•Do not insert any metallic object into the system.
•The system is not waterproof or dust proof.
■Table of contents
Features ............................................................................ |
1 |
IMPORTANT CAUTIONS.............................................. |
1 |
Index of parts and controls .................................. |
2 |
Getting started....................................................... |
4 |
Basic operations ................................................... |
7 |
Listening to radio .................................................. |
9 |
Playing back discs ................................................ |
10 |
Playing back tapes ................................................ |
13 |
Recording............................................................... |
14 |
Listening to an auxiliary equipment.................... |
16 |
Using the microphone/guitar ............................... |
16 |
Using the timer ...................................................... |
17 |
Care and maintenance.......................................... |
19 |
Troubleshooting .................................................... |
20 |
Specifications........................................................ |
20 |
1
■Index of parts and controls
Display window
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ON/ |
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STANDBY AUX SOUND |
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BAND |
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CD TAPE |
TUNER |
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PRESET |
ONE TOUCH ACTIVE |
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MULTI CONTROL |
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TUNING |
REC CLEAR SOUND |
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ACS |
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BEAT CUT |
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ON LEVEL STANDBY |
REW STOP |
FF |
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9 |
p |
q w |
e r t y |
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See pages in parentheses for details.
1 Shoulder strap hooks (4)
2 
ON/STANDBY button (7)
3AUX button (3, 16)
•Pressing this button also turns on the unit. 4 SOUND button (8)
5 SUPER WOOFER VOLUME +/– control knob (8)
6 LOCK/RELEASE knob (for disc) (10)
7 Disc compartment door (10)
8 VOLUME +/– control knob (7)
9 PRESET TUNING/BEAT CUT button (9, 15) p ONE TOUCH REC button (15)
q ACTIVE CLEAR SOUND button (8) w ACS (Active Clear Sound) indicators (8)
•ON, LEVEL
e LOCK/RELEASE knob (for deck) (13) r Cassette holder (13)
t STANDBY indicator (7) y Remote sensor (4)
uMULTI CONTROL buttons (9 – 15)
•4REW (rewind), 7 STOP, ¢ FF (fast-forward) i Source and play mode buttons (3, 9 – 15)
•CD 6, TAPE 2 3, TUNER BAND
Pressing one of these buttons also turns on the unit.
Display window
o REC indicator (18)
;Timer indicators (18)
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(timer), ON, OFF a SLEEP indicator (17) s CLOCK indicator (8, 17)
d 
(reverse mode) indicator (13 – 15)
f 2(reverse) tape direction indicator (13 – 15)
g 
indicator (15)
h 3 (forward) tape direction indicator (13 – 15) j FM mode indicators (9)
•STEREO, MONO
k MP3 indicator (11)
lRepeat indicators (12)
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, ALL, GROUP / Main display
z PRGM (program) indicator (12) x RANDOM indicator (12)
c Frequency unit indicators (8 – 9)
•kHz, MHz
2
Remote control
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ON/STANDBY |
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2 |
3 |
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4 |
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6 |
DISPLAY |
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CANCEL |
7 |
8 |
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SET |
10 |
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100 |
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SLEEP |
GROUP UP |
CLOCK/TIMER |
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GROUP DOWN |
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PLAY |
REPEAT |
REVERSE |
FM |
MODE |
MODE |
MODE |
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SUPER |
VOLUME |
SOUND |
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WOOFER |
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VOLUME |
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See pages in parentheses for details.
1 Number buttons (9, 11)
2 SLEEP button (17)
3Multi control buttons (9 – 15, 17 – 18)
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GROUP UP, 
GROUP DOWN
•4, 7, ¢
4Source buttons (3, 9 – 16)
•AUX, CD 6, TAPE 2 3, TUNER BAND Pressing one of these buttons also turns on the unit.
5 PLAY MODE button (12)
6 REPEAT button (12)
7 SOUND button (8)
8 ACS (Active Clear Sound) button (8) 9 
ON/STANDBY button (7, 17 – 18) p DISPLAY button (8)
q CANCEL button (12, 18) w SET button (10, 17 – 18)
e CLOCK/TIMER button (17 – 18) r FM MODE button (9)
t REVERSE MODE button (13) y VOLUME +/– buttons (7)
u SUPER WOOFER VOLUME +/– buttons (8)
RM-SRVNB1A REMOTE CONTROL
COMPU PLAY — One Touch Operation
With One Touch Operation you can play a disc, a tape, or turn on the radio with a single press of the play button for that function. The system turns on and starts playing the source if it is ready.
The COMPU PLAY buttons are: On the system and remote control
CD 6 button TAPE 23 button
TUNER BAND button AUX button
Note: The COMPU PLAY feature is not effective when the system is operated on batteries or car battery (DC12V).
3
■Getting started
Accessories
Check that you have all the following items, which are supplied with the system.
Power cord (1) Remote control (1)
Batteries—R6(SUM-3)/AA(15F) (2) Shoulder strap (1)
If any of these items are missing, contact your dealer immediately.
Carrying the system
■ Using the carrying handles
Be sure to hold both handles when you carry the system.
If you carry the system by only one handle, because of the length of the system, the end may drag on the ground and be damaged as a result.
Do not lift the system by the woofer ducts, and do not insert any metallic objects into them.
Carrying handle
Woofer duct
■ Using the shoulder strap
Attach the supplied shoulder strap (adjustable in length) to each end of the system as illustrated.
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Shoulder strap |
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2 |
Remote control |
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Shoulder strap |
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Remote control |
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case |
To detach the shoulder strap, press in the metal fitting and unhook it from the shaft.
Using the remote control — RM-SRVNB1A
■ Installing the batteries
1
2Match the polarity (+ and –) on the batteries with the + and – markings in the battery compartment.
CAUTION:
To avoid battery leakage or explosion:
•Remove batteries when the remote control is not in use for an extended period of time.
•When you need to replace the batteries, replace both batteries at the same time with new ones.
•Do not use different types of batteries together.
Point the remote control at the remote sensor on the system’s control panel (from a distance of up to 7 m). If you point the remote control from the slant direction, the distance will be shortened.
•Do not expose the remote sensor to strong direct sunlight or artificial lighting.
•Make sure there are no obstacles between the remote sensor and the remote control.
Remote sensor
R6(SUM-3)/AA(15F) (supplied)
3
4
Connections
CAUTION: Make all connection before plugging the system into an AC power outlet.
■ Connecting the auxiliary equipment
Auxiliary |
Pin-plug x 2 |
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equipment |
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Stereo mini plug
Signal cord (not supplied)
■ Connecting the microphone/guitar
(not supplied)
(not supplied)
■ Connecting to the car battery
2 |
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To car’s cigarette |
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lighter socket (DC12V) |
Car adapter (not supplied) |
1
CAUTION:
•Be sure to use the car adapter (not supplied) with the same polarity design as the one equipped with this system to prevent mishaps or damage.
•For safety, stop the car before performing operations.
•Be sure to start the engine when you use the car adapter; otherwise, the car battery will be exhausted.
•During transport, stabilize the system in a box, etc.
•To prevent malfunctions, do not leave the system in a car for a long time.
•If the power is supplied through the car battery, the display will be blank with the system turned off (at standby).
Unplug the AC power cord from the system to supply the power through the car battery; otherwise, the system does not work.
■ Connecting the AC power cord
Power cord
CAUTIONS:
•ONLY USE THE JVC POWER CORD PROVIDED WITH THIS SYSTEM TO AVOID MALFUNCTION OR DAMAGE TO THE SYSTEM.
•BE SURE TO UNPLUG THE POWER CORD FROM THE OUTLET WHEN GOING OUT OR WHEN THE SYSTEM IS NOT IN USE FOR AN EXTENDED PERIOD OF TIME.
■ Memory backup batteries
1
Battery cover
Match the polarity (+ and –) on the batteries 2 with the + and – markings in the battery
compartment.
“R6(SUM-3)/AA (15F)” size batteries (not supplied)
3
5
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