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Switch/Press

Functions

Switch the alarm on/off.

OFF: turn off the alarm (BUZZER/ TIMER PLAY).

BUZZER: alarm on (buzzer sound)

TIMER PLAY: alarm on (iPod/FM radio)
• Change the time to the alarm time while the current time is displayed.

• Switch between “ALARM 1” and “ALARM 2” while the alarm time is displayed.

• Press and hold this button to select the current time/alarm time setting mode.
Change the values for the time setting.

• Return to the previous item.

Setting the Clock

1  Press and hold the SET button. 

 The year display starts flashing.

2  While flashing, set each item with the DOWN/UP buttons.

3  Press the SET button.

• When the SET button is pressed, the flashing items will change in the following order.

• The time is set when switching to time display from Minutes.

NOTES

• The time can be set both when the power is on and off.

• To modify the setting, start again from step 1.

Setting the alarm (ALARM-BUZZER)

1  Press the SET button to select “ALARM 1” or “ALARM 2”. → The selected icon starts lighting.
2  Press and hold the SET button. → “ON” or “OFF” and   starts flashing.

3  Use the DOWN/UP button to select “ON” and press the SET button. →   starts lighting and the time 

display starts flashing.

• When “OFF” is selected,   goes off and the alarm setting is disabled. The display returns to the current 

time.

• To separate “ALARM 1” and “ALARM 2”, set to on/off for each.

4  While flashing, set each item with the DOWN/UP button.

• When the SET button is pressed, the flashing items will change in the following order.

• It is not necessary to set the “TIMER PLAY” time at this point.

5  Switch the ALARM switch to “BUZZER”.

•   of the set alarm starts lighting on the display.

• To check the set time, switch the display to alarm time (ALARM 1/ALARM 2) by pressing the SET button.

• The buzzer sounds for three minutes.

• If the set time of “ALARM1” laps over that of ”ALARM2”, the buzzer of the earlier set alarm stops when 

the latter one starts sounding.

Selecting iPod or FM radio for the alarm sound (ALARM-TIMER PLAY)

1  Set the alarm time.

(See steps 1 to 4 of “To set the alarm (ALARM-BUZZER)”)

• You can set the duration of time between timer-on and timer-off from 10 minutes to 30 minutes in TIMER 

PLAY time. 

2  If the power is off, turn the unit power on.

3  Confirm that you can hear the iPod or FM radio.

• Set to an appropriate volume.

4  Switch the ALARM switch to “TIMER PLAY”.   of the set alarm starts lighting and the selected source is 

blinking on the display.

Stopping alarm sound

 

To pause the alarm (snooze)

Press the SNOOZE/LIGHT button while the alarm in sounding, when the alarm is set with either 

“ALARM-BUZZER” or “ALARM-TIMER PLAY”.

The alarm sound is temporarily stopped, and started again 5 minutes later. You can repeat this up to 10 

times.

 

To stop the alarm (BUZZER/ TIMER PLAY)

• Switch the ALARM switch to “OFF”.

Deleting the alarm settings

1  Press the SET button to select the ALARM you want to delete.

2  Press and hold the SET button. → “ON” or “OFF” and   starts flashing.

3  Use the DOWN/UP button to select “OFF” and press the SET button.

• The alarm setting is deleted.

Setting the iPod on the unit

1  Insert the Dock adapter supplied with the iPod to the unit.

  If the Dock adapter was not supplied with your iPod, purchase the Dock adapter from Apple Inc.

  For details, visit the Apple’s website.

  <http://www.apple.com>

2  Connect the iPod to the connector plug of the unit.

• The connector plug is protected with a cover when it is first purchased. Please remove the cover before 

operating the unit.

• When the iPod is not connected, insert the terminal cover. This prevents dust from entering and possibly  

damaging the unit.

• Always set volume to the minimum level when connecting or disconnecting iPod.

• When you connect your iPod to the unit, make sure you insert it all the way.

• When disconnecting the iPod, make sure that the System is turned off.

Listening to the iPod

1  Connect the iPod to the unit.

2  Turn the unit power on.

3  Select “iPod” with the SOURCE button. 

When iPod is selected as sound source, it automatically starts playback.

Press

Functions

Unit

Remote control

38

Playback/Pause

Press and hold this button to switch the iPod to sleep mode.

¢

Next song / fast forward (press and hold)

4

Previous song (Press this button during playback to jump back 

to the beginning of the track.) / fast rewind (press and hold)

Charging the iPod

The iPod is charged while it is set on the unit when the Unit power is on. 

• Connect the AC adapter to the Unit. The iPod battery is not charged while 

the Unit is operated on the battery power supply.

• The iPod is charged regardless of the sound source selected on the Unit.

• See the iPod instruction manual about charging times.

  iPod Compatibility Chart

iPod touch 8GB/16GB
iPod classic 80GB/160GB
iPod video (5th Generation) 30GB/60GB/80GB
iPod photo (4th Greneration) 20GB/30GB/40GB/60GB
iPod nano (3rd Generation) 4GB/8GB
iPod nano (2nd Generation) 2GB/4GB/8GB
iPod nano 1GB/2GB/4GB
iPod mini (2nd Generation) 4GB/6GB
iPod mini 4GB

Press

Functions

Unit

Remote control

FM MODE/ 

Switch FM stereo/monaural.

When there is too much static in an FM stereo broadcast, you 

can reduce the static  by switching to monaural reception. 

Press again to switch back to stereo reception.

If the broadcast is not FM stereo, the sound becomes 

monaural, even if FM stereo is selected.

38

• Switch channel display / frequency display. Channel display is 

automatically switched to frequency display after approx. 3 seconds.

• To register a channel, press and hold this button. (see 

“Presetting Stations”)

¢

4

Select a channel from P01 to P20. 

(The unit button can be used when channel display is selected.)

¢

4

Change frequencies to tune in to FM radio station. (The unit 

button can be used when frequency display is selected.)

• Press and hold to search broadcast stations automatically. 

The search is finished when the signal is received. Press 

again while searching to quit search.

Listening to FM radio

Stretch out the wire antenna located on the rear of the unit before using.

1  Turn the Unit power on.

2  Select “FM” with the SOURCE button.

3  Select a station with the 

4

/

¢

 button.

Presetting Stations

1  Select “FM” with the SOURCE button, and switch to channel display with 

38

 button.

2  Use the 

4

/

¢

 button to select the channel number (P01 to P20) to be registered.

3  Press and hold the 

38

 button. 

 The channel number starts flashing.

4  Use the 

4

/

¢

 button to select the frequency (87.5 MHz to 108.0 MHz) of the station that you wish to 

register.

5  Press the 

38

 button 

 The selected frequency will be registered.

• To confirm registration, select the registered channel number (P01 to P20), and press 

38

 button to display 

frequency.

Channel display

Frequency display

Year 

 Month 

 Day 

 12/24-hour time 

 Hour 

 Min. 

 time display

NOTES

• This unit can only play the iPod audio.

  You can use the iPod video function and hear the audio but cannot play the video.

• Do not carry the System with iPod connected. You might drop it down or it might cause 

damages to the connector part.

• Do not touch or hit the iPod terminal pins or the connector pins directly. It might cause 

damages to the connector part.

• If the iPod does not play correctly, please update your iPod software to the latest 

version. - For details about updating your iPod, check on the Apple web site <http://

www.apple.com>.

• iPod is a trademark of Apple Inc., registered in the U.S. and other countries.

• JVC is not responsible for any loss of or damage to iPod that might result from the use 

of this product.

• Sound distortion may occur when playing back audio sources with high recording 

levels. When distortion occurs, it is recommended to turn off the equalizer of the iPod. 

For information on operating the iPod, see the iPod instruction manual.

• If you do not turn on the power of this unit and only connect the iPod to this unit, power 

may be supplied to the iPod.

Hour 

 Min. 

 

TIMER PLAY time (10 to 30)

 

 time display

Hour 

 Min. 

 TIMER PLAY time (10 to 30) 

 time display

CAUTION:

• “AUX” cannot be selected as a source. Select another source.

• The “TIMER PLAY” does not work when the Unit power is turned off.

1

2

3

5

6

7

8

9

4

10

If you are having a problem with your System, check this list for a possible solution before calling for service.

In These Cases

Check the following points

Power does not come on.  

• AC adapter is not inserted securely. Plug in securely.

• The batteries are exhausted.

No longer works.

Press the RESET button (see “Resetting the unit”).

Cannot set the iPod.

• Is the Dock adapter properly mounted on the unit? Make sure to mount 

the Dock adapter properly.

Cannot operate iPod.

• Is the iPod firmly connected to the connector plug of the unit?

• Is the iPod properly functioning? Test  the iPod functions in stand alone 

condition.

iPod cannot be charged.

• Is the iPod firmly connected to the connector plug of the unit?

• Is the AC adapter connected? The iPod cannot be charged while the Unit 

is operated on batteries.

Hard to listen to broadcasts 

because of noise.

The FM antenna is not properly extended and positioned.

Unable to operate the System 

from the remote control.

• The path between the remote control and the remote sensor on the 

System is blocked.

• The batteries are exhausted.

When the volume level is 

manually set higher than “08”, 

the unit automatically lowers 

the level to “08”.

The unit’s battery runs low (The “---” (Low battery) appears on the display). 

Replace the batteries with new ones.

  Resetting the unit

If “Troubleshooting” does not eliminate malfunctioning (failure to operate or display  

properly, etc.), press the RESET button on the rear of the unit with something having  

a sharp point, while the unit is turned on. After pressing RESET button, unplug the  

AC adapter and wait a while before plugging it again. 

• When using RESET button, make sure the lithium coin battery is loaded.

• While resetting the unit, the clock is also reset. Adjust the clock after resetting  

the unit.

Model

RA-P31B/RA-P30W

Type

Portable audio system

Amplifier

Power Output

4 W x 2

1 kHz 10 % THD, 6 

Input Sensitivity/ Impedance

AUX Input

250 mV/47 k

Tuner

Band

FM

Tuning Range

87.5 MHz - 108.0 MHz

Frequency Step

100 kHz

Preset Stations

20

Speaker

1way full range, diameter 50 mm x 2

Input Terminal

External DC IN (for AC adapter)
AUX IN (mini jack)

iPod connecter

Output Power : DC 5 V   500 mA

Power Source

DC 9 V   1.5 A (EXTERNAL DC IN)
DC 9 V   (SIZE R6, AA BATTERY OR EQUIVALENT x 6)
DC 3 V   (CR2025, for the clock)

AC adapter

Input : AC 110-240 V , 50/60 Hz
Output : DC 9 V   1.5 A

Dimensions (W x H x D)

(W) 322 mm x (H) 72 mm x (D) 85 mm 

(12-11/16

"

 x 2-7/8

"

 x 3-3/8

"

)

Weight (Without batteries)

0.7 k

g

 (1.6 lbs)

Accessory

See Supplied Accessories

Specifications and appearance are subject to change without prior notice.

Connecting other equipment

Connect an external device to the AUX jack on the rear of the unit using a stereo mini plug cord (not 

supplied) .

NOTE

• Always set volume to the minimum level when connecting or disconnecting the other equipment.

Listening to external devices

1  Turn the unit power on.

2  Select “AUX” with the SOURCE button.

3  Start playback on the external device.

4  Adjust the volume.

To audio output such as CD/

MD/digital audio player, etc.

1   SOURCE button 

Switch the sound source.

2   SLEEP button 

Set a period of time until the sleep mode is executed.  

(See “To turn off the System after a certain period of time 

(Sleep Timer)”).

3   FM MODE button 

Switch FM stereo/monaural.

4   MUTING button 

Turn off the sound. Return to original mode by pressing 

again.

5   /- button 

Select a registered FM radio station (P01 to 20).

6   iPod 

6

 button 

Play/pause the iPod.

7    button 

Switch the backlight on/off.

8  

4

/

¢

 button 

Fast-forward/rewind the iPod song. 

Change frequencies to tune in to FM radio station.

9   SURR. button 

Switch on/off the SURROUND.

10   /- button 

You can adjust the volume level from 00 to a maximum of 20.

NOTES

• Point the remote control at the remote control sensor on the front panel.

• The remote control sensor is designed to receive signals from up to approximately 7 m distance when the 

remote control is pointed directly. If the remote control is pointed with an angle, the distance may become 

shorter.

To turn off the System after a certain period of time (Sleep Timer)

1  Press the SLEEP button repeatedly to specify the time (in minutes) as follows:

2  Wait until the set time goes off.

• To check the time remaining before the shut-off time, press SLEEP button once.

  If you press the button repeatedly, you can change the shut-off time.

• After the system is turned off with the Sleep Timer, you cannot operate any button other than the 

SNOOZE/LIGHT button. To operate the system as usual, press   to turn off the power and then turn 

on the power again.

NOTES

• Sleep Timer and “ALARM-TIMER PLAY” cannot be selected at the same time. If “TIMER PLAY” is 

selected, Sleep Timer will be cancelled. 

• Sleep Timer and “ALARM-BUZZER” can be selected at the same time.

10   

   

 20 

     

 30 

     

 40 

     

 50 

     

 60

OFF (Canceled)

Operating on the Remote Control

How to set the time and use the alarm

Listening to FM Broadcasts

Playing back from iPod

Playing back from other equipment

Troubleshooting

Specifications

Dock adapter

(Supplied with your iPod or 

to be purchased)

Connector well

You can remove the dock 

adapter with your fingernail 

by using this slot.

LVT1848-001B.indd   2

2/15/2008   9:53:18 AM

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