Inserting batteries Main unit PREPARATION
The power will not be supplied thr ough the batteries when the pow er is
supplied through the AC outlet on the unit.
The battery is consumed more quickly than usual when operating the
unit continuously or operating it in a cold place
When the power is supplied using the batteries , the display will be blank
when the unit is turned off (at standby).
When the power is supplied using the batteries , the unit is turned on by
or source buttons on the main unit.
o avoid battery leakage or explosion, handle batteries properly .
If you are not going to use this unit f or a month or more, r emove the
batteries from the battery compartment.
Dispose of batteries in the proper manner , according to f ederal, state ,
and local regulations.
Do not mix with batteries of differ ent types or with new and old ones.
Do not attempt to charge an y batteries other than rechar geable ones.
Discard leaky batteries immediately . Batter y leak age can cause skin
burns or other personal injuries.
If chemicals leak onto the unit, clean the unit completely .
Match the polarities (+ and –) of the batteries.
If the range or effectiveness of the remote contr ol decreases, r eplace the
Connecting the power cord
CDs with one of the marks below on
Files in audio CD f ormat, MP3/WMA
files on a finalized CD-R or CD-R
MP3/WMA files in a USB device can also
. Playable discs/files
MP3/WMA discs requir e a longer readout time
than regular CDs. (It depends on the complexity
of the folder/file configuration.)
Some MP3/WMA files cannot be played back and
will be skipped.
This results fr om their recor ding
processes and conditions
When making MP3/WMA discs, use ISO 9660
Level 1 f
or the disc format.
This unit can play back MP3/WMA files with the
extension code <.mp3> or <.wma> (regardless of
the letter case–upper/lower).
This system can play back MP3/WM A recor ded at
the following sampling fr
equency and bitrate.
32 – 320 kbps
48 – 192 kbps
: 32 / 44.1 / 48 kHz
This unit cannot play “ packet write” discs .
This unit cannot show the T ag data of MP3/WMA.
If a CD-R W has been recorded in a diff erent
format, erase all data on the CD-RW completely
ecording on it.
USB Memor y and DAP s compatible with the USB
mass storage class specifications are connectable.
Always set the volume t o the minimum level when
connecting or disconnecting a USB device.
When connecting with a USB cable, use the USB 2.0
cable less than 1 m (3.28 ft) in length.
Y ou cannot connect a computer to the USB
MEMORY terminal of the unit.
Do not use a USB hub.
When the power is supplied through the A C outlet
and USB is selected as the source, the USB device
is charged through the USB MEMOR
however some USB devic
es may not be charged .
Deactivate the security func tion of the USB mass
storage class device befor
or playing back:
When connecting a USB device, ref er also to its
Y ou can play back MP3/WMA files on a USB devic e
(maximum data transfer rate: 2 Mbps).
This unit may
not play back some files even though their f
are listed abov
The playing order of MP3/WM A files
– in groups depends on in creation order
. In a
, tracks are pla yed in recor ding order .
– may differ depending on the recording
– may change if you change the folder name or
While playing back a file in a USB device, do
not disconnect the USB device. It may cause
malfunction of both this unit and the device.
This unit is compatible with USB 2.0 F ull Speed.
Y ou cannot play back a file larger than 2 Gigab ytes.
It is recommended to use the USB mass storage
class device of 4 Gigabytes or less storage
When playing a file of a large transf er rate, sounds
may be dropped during playback.
This unit cannot recog nize a USB mass storage
class device whose rating exceeds 5V/500 mA.
If your USB device is partitioned, only the first
partition is recognized.
Y ou cannot send any data to y our USB device from
Some USB devices may not be recog nized or may
not work properly
Some DAP s are not compatible with the unit.
Copyrighted tracks (W MA-DRM tracks) cannot be
played back on the unit.
Coded or encrypted tracks in a special method
cannot be played on the unit.
Electrostatic shock at connecting a USB device
may cause abnormal playback of the device
this case, disconnect the USB device then reset
this unit and the USB device.
JVC bears no responsibility for any loss of data in
the USB mass storage class device while using this
iPod nano (6th generation)
iPod nano (5th generation)
iPod nano (4th generation)
iPod nano (3r
iPod nano (2nd generation)
ouch (4th generation)
ouch (3rd generation)
ouch (2nd generation)
iPod video (5th gener
o (4th generation) * *
iPod (4th gener
iPod mini (2nd generation)
Only for still picture
Viewable only on the screen of iP od
Sound distortion may occur when playing back
audio sources with high rec
ording levels . When
distortion occurs, it is recommended to turn
off the equalizer of iP
od. F or information on
, see the iP od instruction manual.
If iPod does not play c
orrectly , update iP od
software to the latest version.
Important for USB mass storage class device
The power can also be supplied thr ough the batteries (see the instruction
A small amount of power is alway s consumed even while on standby .
Only use JVC power cor d provided f or this unit to av oid malfunction or
damage to the unit.
Remove all the batteries when using the po wer cor d.
Be sure to unplug the pow er cord fr om the outlet when going out or when
the unit is not in use for an extended period of time.
Unplug the AC pow
er cord fr om the unit to supply the power thr ough the
batteries in the battery compar
tment; otherwise, the unit does not work. Maintenance Troubleshooting Display Important for iPod devices
n e r
FM tuning range:
87.50 MHz –
FM telesc opic
8 cm (3 3/16”) cone
13 cm (5 1/8”) cone
Dock for iP od:
Input Sensitivity /
Impedance (1 kHz)
Mass storage class
A T16, F A T32
LEVEL 1: 500 mV /
LEVEL 2: 250 mV /
LEVEL 3: 125 mV /
200 Ω - 2 kΩ
GUIT AR: 100 k Ω - 1
Ω ( φ6.3)
V , 2 A SPECIFICATIONS
or iP od):
Ω - 1 k Ω
15 mW / ch output into
or North American
, 60 Hz
or European model
, 50 Hz
or Australian model
, 50 Hz
V (R20 (SUM-1)/D
(13D)-size batteries x 10)
External DC 12
When using an AC outlet
W (at operation)
Less than 1.00
When using DC IN
2 A (power on mode)
666 mm (26 1/4”) x 231
mm (9 1/8”) x 240 mm (9
Approx. 6.8 k g (15.0 lbs)
stored in the battery
Po wer cor d x 1
Remote control x 1
Shoulder belt x 1
Buckle x 2
Stopper x 2
Batteries* (for the r
control) x 2
* Not provided f
or North American model.
Design and speci
cations are subject to
change without notice.
MP3/WMA groups and tracks are not pla
back as you expect.
Playing order is det ermined when the groups
and tracks were r
ecorded. It depends on the
The disc/USB devic
e sound is discontinuous.
The disc is scratched or dirty .
MP3/WMA files hav e not been properly copied
onto the USB device.
Sounds from USB device are in
Noise and static electricity may stop the sound.
In this case, disconnect and connect the USB
device again after turning off the unit.
iPod does not pla
y , but “ C ONNECT” appears on
The iP od battery is low or exhausted. Charge the
ery. Radio Operations
Hard to listen to broadcasts because of noise
The F M antenna is not properly extended and
Electrostatic discharge from y our body may
cause noise. If this happens, turn off and on the
T imer does not work.
The unit has been turned on when the on-time
Timer starts work ing only when the unit
is turned off
If you are having a problem with y
our unit, check this
list for a possible solution befor
e calling for service. General
wer does not c ome on.
No power is supplied . Check the power c ord
connection or change the batteries.
The unit turns off automatically
Auto po wer sav e function works.
Adjustments or settings ar
e suddenly canceled
There is a time limit. Repeat the pr ocedure again.
Unable to operate the unit or the unit does not
The built-in micropr ocessor may malfunction due
to external electrical inter
Unplug the power cor
d, then plug it back in.
Batteries are exhaust ed. Change the batteries .
Unable to operate the unit fr
om the remote
The path between the remot e control and the
remote sensor on the unit is blocked.
The batteries ar e exhausted.
No sound is heard.
Headphones are connected.
While the pow
er is supplied using the batteries ,
sound from the speakers is distorted or too quiet.
Batteries are exhaust ed. Change the batteries . Disc/USB Mass Storage Class Device Operations
The disc/USB devic
e does not play .
The disc is placed upside do wn. Place the disc with
the label side up.
The disc is rec orded with the “ packet writing (UDF
” I t cannot be played. Check the files you
want to play back.
The USB device is not connected pr operly .
o get the best per formance of the unit, keep
your discs and mechanism clean.
Remove the disc from its case b y holding it
at the edge while pressing the center hole
Do not touch the shiny surface of the disc, or
bend the disc.
Put the disc back in its case after use.
Be careful not to scratch the surface of the
disc when placing it back in its case.
Av oid exposure to direct sunlight,
temperature extremes, and moistur
Wipe the disc with a soft cloth in a straight
line from center to edge
Cleaning the unit
Stains should be wiped off with a soft cloth. If
the unit is heavily stained, wipe it with a cloth
soaked in water-diluted neutral detergent
and wrung well, then wipe clean with a dry
Since the unit may deteriorate in quality ,
become damaged or get its paint peeled off
be careful about the follo
– DO NOT wipe it hard.
– DO NOT wipe it with thinner or benzine.
– DO NOT apply any volatile substanc e such
as insecticides to it.
– DO NOT allow any rubber or plastic t o
remain in contact for a long time.
Cleaning the CD pickup lens
Keep the CD pickup lens clean, or the sound
may be degraded. U
se a blower (available at a
, etc.) to blo w dust off the lens. ABOUT DISC/FILE/iPod/DISPLAY
“Made for iP
od” and “Made for iPhone” mean that an electronic accessor y has been designed to
connect specifically to iPod or iP
hone, respectively , and has been cer tified by the developer to
meet Apple per
formance standar ds. Apple is not responsible f or the operation of this device or its
compliance with safety and regulat
ory standards. Please note that the use of this accessory with
iPod or iPhone ma
y affect wireless performance.
od, iP od classic, iPod nano and iP od touch are trademarks of Apple Inc., r egistered in the
U.S. and other c
Be sure to hold both handles when you carry the unit.
If you carry the unit by only one handle, because of the length of the unit, the other end may
drag on the ground and be damaged as a result.
Do not insert any foreign objects into them which are belo
w the speakers.
Remove a disc, USB devic e or iP od from the unit.
Disconnect all the cords from the unit.
The unit is not waterproof or dust pr oof . Using the shoulder belt
Attach the supplied shoulder belt (adjustable in length) to each end of the unit as illustrated
. CARRYING THIS UNIT Using the carrying handles
CL OCK indicator
FM mode indicators
Fr equency unit
For customer use:
Enter below the Model No
. and Serial No. which
are located either on the rear
, bottom or side of
the cabinet. Retain this information for futur
If no operation is per
formed for 30 minutes
in the following situations
, the unit turns off
CD or USB is selected, and playback is stopped.
iPod is selected
, and iPod is not c onnected.
The volume level is set t
o MIN or Muting is
Before the unit turns off
, “ APS” blinks on the
, this function does not work in the
UDIO IN or FM is selected.
A microphone or guitar is connected.
Microsoft and W
indows Media ar e either
ed trademarks or trademarks of
Microsoft Corporation in the United States and/
or other countries.
This unit can recog nize up to a total of 511 tracks
and folders on a disc, and 65536 files in up t
groups (maximum 500 files in a single gr
oup) on a
The reflection factor of CD-R W is lower than that of
other CDs, possibly causing CD-RW to take longer
time to read.
Auto power save function
Caution: Proper Ventilation
To avoid risk of electric shock and fire, and to prevent
damage, locate the apparatus as follows:
No obstructions and open spacing.
Sides/ Top/ Back:
No obstructions should be placed in the areas shown
by the dimensions below.
Place on the level surface. Maintain an adequate
air path for ventilation by placing on a stand with a
height of 10 cm (3 15/16”) or more.
Attention: Aération correcte
Pour prévenir tout risque de décharge électrique
ou d’incendie et éviter toute détérioration, installez
l’appareil de la manière suivante:
Bien dégagé de tout objet.
Assurez-vous que rien ne bloque les espaces
indiqués sur le schéma ci-dessous.
Posez l’appareil sur une surface plane et horizontale.
Veillez à ce que sa ventilation correcte puisse se
faire en le plaçant sur un support d’au moins dix
centimètres de hauteur.
Thank you for purchasing a JVC product.
Before operation, please read the instructions
tment R20 (SUM-1)/D(13D)
wer cor d
(Not supplied for North American model.)
POWERED WOOFER CD SYSTEM RV-NB70B/RV-NB70S INSTRUCTIONS
V T2225-001A[ J/E/A]
Victor Company of Japan, Limited
Supplied for this unit.
In this manual,
“ iP od” means iP od, iP od
touch and iPhone device.
When iPod touch
or iPhone device is especially ref
ered to ,
od touch” or “iPhone ” is used.
In this manual,
“file“ and “track“ are used
RV-NB70[J_E_A]4th.indd 1 10.12.3 4:35:53 PM 10.12.3 4:35:53 PM