RA-D38B - Alarm Clock JVC - Free user manual and instructions
Find the device manual for free RA-D38B JVC in PDF.
| Product Type | Alarm Clock Radio |
| Brand | JVC |
| Model | RA-D38B |
| Dimensions (W x D x H) | 39 mm x 155 mm x 63 mm |
| Net Weight | 0.4 kg |
| Power Supply | 100–240 V, 50/60 Hz |
| Adapter Output | 6 V, 0.5 A |
| Power Consumption | 3 W |
| Speaker Output Power | 1 W RMS |
| Radio Bands | FM (87.5–108 MHz), DAB Band III |
| Number of Preset Stations | 10 (6 direct + 4 via 7+ button) |
| Alarm Modes | Buzzer, DAB, FM |
| Dual Alarms | Yes (Alarm 1 & Alarm 2) |
| Snooze Function | Yes, adjustable (5/10/15/30 min depending on alarm duration) |
| Sleep Timer | Up to 90 minutes (10/20/30/60/70/80/90 min) |
| Display Type | LCD with adjustable backlight (High/Medium/Low/Off) |
| Clock Synchronization | Auto via DAB or FM, or manual setting |
| Earphone Jack | 3.5 mm stereo |
| Aerial | Telescopic DAB/FM aerial |
| Maintenance | Clean with slightly moist lint-free cloth; no alcohol or abrasives |
| Safety Features | Overheat protection, ventilation requirements, child supervision advised |
| Included Accessories | Mains adapter, instruction manual |
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USER MANUAL RA-D38B JVC
Safety Warnings....5
Unpacking......8
Product Overview ......9
Front View....9
Rear View....9
Top View....10
Connections....11
Using Earphones....11
Turning the Radio On for the First Time 12
Basic Operation....14
Switching ON/OFF 14
Selecting Modes.... 14
Adjusting the Volume 14
Automatically Setting the Clock 14
System Settings....15
Setting a Sleep Timer 15
Setting the Time and Date 15
Alarm 16
Software version....17
Factory Reset 18
Backlight....18
DAB Operation 19
Full Scan....19
Secondary Services 19
Manual Tune 20
Saving Preset Stations....20
Recalling a Preset Station 20
DAB Display Modes 21
FM Operation....23
Auto Scan....23
Manual Tune 23
Scan Setting 23
Saving Preset Stations....24
Recalling a Preset Station 24
FM Display Modes....25
Maintenance....26
Cleaning the Unit 26
Hints and Tips....26
Product Fiche and Specifications....28
Useful Information and Licences....29
Safety Warnings
- Read all the instructions carefully before using the unit and keep them for future reference.
- Retain the manual. If you pass the unit onto a third party make sure to include this manual.
- Check that the voltage marked on the rating label matches your mains voltage.
Damage
- Please inspect the unit for damage after unpacking.
- Do not continue to operate the unit 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.
Location of Unit
- The unit must be placed on a flat stable surface and should not be subjected to vibrations.
- Do not place the unit on sloped or unstable surfaces as the unit may fall off or tip over.
- The mains socket must be located near the unit and should be easily accessible.
- This unit is designed for indoor, domestic use only.
Temperature
- Avoid extreme degrees of temperature, either hot or cold. Place the unit well away from
heat sources such as radiators or gas / electric fires.
- Avoid exposure to direct sunlight and other sources of heat.
Naked Flames
- Never place any type of candle or naked flame on the top of or near the unit.
Moisture
- To reduce the risk of fire, electric shock or product damage, do not expose this unit to rain, moisture, dripping or splashing. No objects filled with liquids, such as vases, should be placed on the unit. Do not operate the unit with wet hands, near water or other liquid.
- If you spill any liquid into the unit, it can cause serious damage. Switch it off at the mains immediately. Withdraw the mains plug and consult your dealer.
Ventilation
- To prevent the risk of electric shock or fire hazard due to overheating, ensure that curtains and other materials do not obstruct the ventilation vents.
- A minimum distance of 5 cm around the unit should be maintained to allow for sufficient ventilation.
- Do not install or place this unit in a bookcase, built-in cabinet or in
another confined space. Ensure the unit is well ventilated.
Safety
• Always disconnect the unit from the mains supply before connecting / disconnecting other devices or moving the unit.
- Unplug the unit from the mains socket during a lightning storm.
- In the interests of safety and to avoid unnecessary energy consumption, never leave the unit switched on while unattended for long periods of time, e.g. overnight, while on holiday or while out of the house. Switch it off and disconnect the mains plug from the mains socket.
Mains Adapter Cable
- Make sure the unit or unit stand is not resting on top of the mains adapter cable, as the weight of the unit may damage the cable and create a safety hazard.
Mains Adapter
- The mains adapter will continue to draw electricity from the mains supply when plugged in the mains socket. In the interests of safety and to avoid unnecessary energy consumption, never leave the adapter plugged in the mains socket while unattended for long periods of time. Disconnect the adapter from the power supply.

Use only power supplies listed in the user instructions.
Interference
- Do not place the unit on or near appliances which may cause electromagnetic interference. If you do, it may adversely affect the operating performance of the unit, and cause a distorted picture or sound.
Supervision
• Children should be supervised to ensure that they do not play with the unit.
- Never let anyone especially children push anything into the holes, slots or any other openings in the case - this could result in a fatal electric shock.




The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the unit’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the manual accompanying the unit.
Service
- To reduce the risk of electric shock, do not remove screws. The unit does not contain any user-serviceable parts. Please leave all maintenance work to qualified personnel.
- Do not open any fixed covers as this may expose dangerous voltages.
Maintenance
- Ensure to unplug the unit from the mains socket before cleaning.
- Do not use any type of abrasive pad or abrasive cleaning solutions as these may damage the unit's surface.
- Do not use liquids to clean the unit.

To prevent the spread of fire, keep candles or other open flames away from this product at all times.
\~ AC voltage: This symbol indicates that the rated voltage marked with the symbol is AC voltage.
—DC voltage: This symbol indicates that the rated voltage marked with the symbol is DC voltage.
Thank you for purchasing your new product.
We recommend that you spend some time reading this instruction manual in order that you fully understand all the operational features it offers. You will also find some hints and tips to help you resolve any issues.
Read all the safety instructions carefully before use and keep this instruction manual for future reference.
Unpacking
Remove all items from the packaging. Retain the packaging. If you dispose of it please do so according to local regulations.
The following items are included:

Main Unit

natural_image
Simple line drawing of a cord with a power plug and terminal block (no text or symbols)Mains Adapter Instruction Manual


- If items are missing, or damaged please contact Partmaster (UK only). Tel: 0344 800 3456 for assistance.
• If you require additional assistance: For UK, please call our UK Call Centre on 0344 561 1234. For Ireland, please call our Ireland Call Center on 1 890 818 575.
Front View

- Standby Button
- Info/Menu Button
- Vol+/Vol- Button
-
LCD Display
-
Alarm/Mode Button
- Select Button
- Tune ▲/Tune Button
Rear View

natural_image
Line drawing of a portable electronic device front panel with two buttons labeled 'DC IN' and a handle (no additional text or symbols)- DAB / FM Aerial
- DC IN Socket
- Earphones Socket
Top View

1. Preset 1/2/3/4/5/6 Button
- Press and hold to directly save preset station 1-6.
- Press to directly recall preset station 1-6.
2. Preset 7+ Button
- Press and hold to enter
for preset station setup. - Press to enter
for recalling preset stations among P1-10.
3. SNOOZE/DIMMER Button
- Press to activate the snooze function when the alarm sounds.
- Press to select the brightness level.
Connections
Using Earphones
Turn down the volume before connecting the earphones. Slowly raise the volume with the earphones on until you reach your desired volume. When earphones are connected, the speaker is automatically muted.


Long-term exposure to loud music may cause hearing damage. It is best to avoid extreme volume when using earphones, especially for extended periods.
Turning the Radio On for the First Time
-
Fully extend the aerial before plugging the unit into the mains.
-
Connecting the unit to any other power source may damage the unit. Unwind the mains adapter cable to its full length. Connect the end of the cable to the DC IN Socket at the rear of the unit and then connect the mains adapter to the mains socket. Make sure the mains adapter is firmly inserted into the mains socket. The unit is now connected and ready to use.

Ensure all connections are connected before connecting to the mains power socket.

Extend the aerial before switching to DAB mode for the first time. This will ensure that the initial scan captures all stations in your area.


Remove the mains plug from the mains socket if you want to switch the unit off completely.

- Ensure all audio connections of the unit are connected before connecting to the mains power socket.
• Make sure the mains plug is firmly inserted into the mains socket. - To switch the unit off completely, remove the mains plug from the mains socket.
- Please turn the unit off completely to save energy when not in use.
- Use the mains cable as the disconnect device. The disconnect device shall remain readily operable.
Basic Operation
Switching ON/OFF
Press Standby button on the unit to switch the unit between the On and Standby mode.

Remove the mains plug from the mains socket if you want to switch the unit off completely.
Selecting Modes
Press and hold Alarm/Mode button to switch between DAB and FM mode.

The unit will automatically go to Standby mode after 15 minutes if there is no DAB signal. Press Standby button to resume.
Adjusting the Volume
Press Vol+/Vol- button on the unit to increase/decrease the volume.
Automatically Setting the Clock
The clock will be updated automatically if you can receive DAB/FM signal in your location.
In order to synchronise to the current local time, you must leave it on the DAB/FM station for a period of time. It may take about 1-2 minutes to receive the time signal.

If there is no DAB broadcast in your area, switch the unit into FM mode to receive the time signal, or you may set the clock manually (Refer to "Setting the Time and Date" section below).
Setting a Sleep Timer
You can set a sleep timer so if you are listening to your radio and fall asleep, it will automatically switch off at the preset time. The sleep timer can be activated for up to a maximum of 90 minutes.
- Press and hold Info/Menu button, and then press Tune ▲/Tube▼ button to select
. Press Select button to confirm. - Press Tune ▲/Tune▼ button to select
. Press Select button to confirm. - Press Tune ▲/ Tune▼ button to select between Sleep Off, 10 minutes, 20 minutes, 30 minutes, 60 minutes, 70 minutes, 80 minutes or 90 minutes, and then press Select button to confirm.
Setting the Time and Date
- Press and hold Info/Menu button, and then press Tune▲/Tune▼ button to select
. Press Select button to confirm. - Press Tune ▲/ Tune▼ button to select
- Press Tune ▲/ Tune▼ button to select options, and then press Select button to confirm.
| Set Time/Date Here you can manually set the time and date. | |
| Set date format DD-MM-YYYY or MM-DD-YYYY | |
| Set 12/24 hour | Set 12 Hour or Set 24 Hour display. |
| Auto update Choose how you want the time to be automatically updated: Update from Any / Update from DAB / Update from FM / No update | |

It is highly recommended that "Update from Any" is selected for the unit, so that it can easily synchronize the time/date after power reconnection.
Alarm

Ensure the time and date is set before you can activate the alarm function.
Setting the Alarm On/Off
- Press Alarm/Mode button once to enter Alarm 1 Setup menu, or twice to enter Alarm 2 Setup menu.
- Press Tune ▲/Tune▼ button to select Alarm On or Alarm Off, and then press Select button to confirm. The display will show "Alarm Saved".
- Once the alarm is set, ⏻1 (Alarm 1)/⌘2 (Alarm 2) or ⏻Both Alarm 1 and Alarm 2) icon will show on the display.
Alarm Setup
-
Press Alarm/Mode button once to enter Alarm 1 Setup, or twice to enter Alarm 2 setup. Press Select button to confirm.
-
Press Tune ▲/ Tune▼ button to select options, and then press Select button to confirm.
| On time 00:00 (manually set up the time) | |
| Duration 15/30/45/60/90/120 minutes | |
| Source | Buzzer / FM / DAB(If the wake-up source is DAB and the signal strength is low, the Buzzer alarm will be triggered.) |
| Preset Last listened or saved preset station (not available for Buzzer mode) | |
| Frequency | Daily / Once / Weekends / Weekdays |
| Alarm volume | Press Tune▲/Tune▼button to adjust the alarm volume. |
| Alarm On/Off Press Tune ▲/Tune▼button to select between Alarm On and Alarm Off. | |

During the setup process, you may press Alarm/Mode button to exit the alarm setup menu.
- The display will show "Alarm Saved" after the setup is done.
- Once the alarm is set, ⏻1 (Alarm 1)/ 12 (Alarm 2) or ⏻ 12 (Both Alarm 1 and Alarm 2) icon will show on the display.
- To temporarily switch off alarm, press SNOOZE/Dimmer button to activate Snooze function when alarm sounds. Press SNOOZE/Dimmer button repeatedly to set snooze period time of 5, 10, 15 or 30 minutes in turn. The set snooze time will show on the display and unit will go to standby.

The options of Snooze time depends on which alarm duration time you selected.
| Alarm duration time Snooze time | |
| 15 minutes 5 or 10 minutes | |
| 30 minutes 5, 10 or 15 minutes | |
| 45/60/90/120 minutes 5, 10, | 15 or 30 minutes |
- To turn off alarm, press Standby or Alarm/Mode button when alarm sounds.
Software version
This information may be requested when dealing with technical support issues.
- Press and hold Info/Menu button, and then press Tune ▲/Tube▼ button to select
. Press Select button to confirm. - Press Tune ▲/Tube▼ button to select
, and then press Select button to confirm. - The software version will show on the display.
- Press Info/Menu button to exit.
Factory Reset
If you want to delete all your stations and settings, you can return your radio back to the default setting by running a Factory Reset.
- Press and hold Info/Menu, and then press Tune ▲/Tube▼ button to select
. Press Select button to confirm. - Press Tune ▲/Tune▼ button to select
, and then press Select button to confirm. - Press Tune ▲/Tune▼ button to select
, and then press Select button to confirm.

After factory reset, all tuned stations, preset stations and alarm settings will be erased then your radio will be in Standby mode.
Backlight
Press SNOOZE/Dimmer button repeatedly to set the display brightness between High, Medium, Low and Off.
If the unit is connected to the mains power for the first time, the unit will show "Welcome! Digital Radio" and then "00:00". Press Standby button to switch on the unit and perform auto scan. During the scan the display will show "Scanning..." together with a slide bar that indicates the progress of the scan and the number of stations that have been found so far.
Once the scan has finished, the unit will select the first alphanumerically found station. To explore the found stations, press Tune▲/Tune▼ button and then Select to confirm selection.
Full Scan
The Full Scan will search for the entire DAB Band III channels. After the scan has finished, the first alphanumerically found station will be automatically selected.
- To activate full scan, press and hold Info/Menu button, and then press Tune▲/Tune▼ button to select
. Press the Select button to confirm. - The display will show Scanning... and a progressing slide bar.
- All the stations that have been found will be stored automatically. To explore and listen to the found stations, press Tune▲/Tune▼button and then Select to confirm selection.
Secondary Services
You may see a <symbol before the name of the station, this indicates that there are secondary services available to that station. These secondary services contain extra services that are related to the primary station. e.g. a sports station may want to add extra commentaries. The secondary services are inserted directly after the primary station in the station list.
To select the secondary station, press Tune▲/Tune▼button on the unit until you find the secondary service you want, then press Select button on the unit to select it.
Manual Tune
As well as the auto scan function, you can manually tune them in. You will need to know which multiplex the station you are looking for is in.
- Press and hold Info/Menu button, and then press Tune ▲/Tube▼ button to select
. Press Select button to confirm. - Press Tune ▲/Tune▼button to scroll through the DAB channels, which are numbered from 5A to 13F.
- Press Select to select the station that you would like to listen to.
Saving Preset Stations
You can store up to 10 of your favourite stations to the memory. This will enable you to access your favourite stations quickly and easily.
Presets 1 - 6
To store a preset, you must first be listening to the station that you would like to save. If you want to store the station in preset positions 1 - 6 press and hold the Preset (1 - 6) button for 2 seconds. The words
Presets 1 -10
- Press and hold the 7+ button for 2 seconds. The
list will show on the display. - Press Tune ▲/Tune▼button to select the preset position that you would like to store, and then press Select button to save the station. The words "Preset # stored" will show on the display.
Recalling a Preset Station
Recall Presets 1 - 6
To recall preset stations that are stored in positions 1-6 just press the Presets 1-6 button.
Recall Presets 1-10
-
Press 7+ button, the Preset Recall list will be displayed. Press Tune ▲/ Tune▼ button to select your desired preset station number.
-
Press Select button to confirm

If you choose a preset that hasn't been allocated a station, "Preset Empty" will be displayed.
DAB Display Modes
Every time you press Info/Menu on the unit, the display will cycle through the following display modes.
The information is displayed on the lower segment of the display.
Signal Strength
This shows a slide bar to indicate the signal strength, the stronger the signal, the longer the bar will be from left to right.
Programme Type
This describes the "style" and "genre" of the programme that is being broadcast.
Ensemble Name
The Ensemble/Multiplex is a collection of radio stations that are bundled and transmitted together in a single frequency. There are national and local multiplexes, local ones contain stations that are specific to that area.
Channel number/frequency
This displays the Channel number/ frequency of the present station, such as "11C 220.352MHz".
Signal error
Show the stability and quality of signal reception, the best representation for 0.

flowchart
graph TD
A["Signal Strength"] --> B["Programme Type"]
B --> C["Ensemble Name"]
C --> D["Channel number/frequency"]
D --> E["Signal error"]
E --> F["Bit Rate / Codec / Channels"]
F --> G["Time/Date"]
Bit Rate / Codec / Channels
The display will show the digital audio bit rate being received with additional information about the audio codec and channel configuration.
Time / Date
This displays the current time and date.
Press and hold Alarm/Mode button repeatedly to select FM mode.
Auto Scan
-
To activate auto scan, press Select button or press and hold Tune▲/Tune▼ button to perform auto scan. The display will show "Scanning..."
-
Once a station has been found, the scanning will stop automatically.
Manual Tune
To tune FM frequency manually, press Tune▲/Tune▼ button repeatedly until your desired frequency is reached.

Each turn will adjust the frequency by 0.05MHz. If reception is still poor, adjust the position of the DAB/FM aerial or try moving the radio to another location.
Scan Setting
In the Scan setting menu you can choose if you want your radio to tune to Strong Stations Only or select All Stations, and it will try to tune to all stations, however some may be very weak.
-
In FM mode, press and hold Info/Menu button, and then press Tune ▲/ Tune ▼ button to select
. Press Select button to confirm. -
Press Tune ▲/Tune▼ button to select or
, then press Select button to confirm.
Saving Preset Stations
You can store up to 10 of your favourite stations to the memory. This will enable you to access your favourite stations quickly and easily.
Presets 1 - 6
To store a preset, you must first be listening to the station that you would like to save. If you want to store the station in preset positions 1 - 6 press and hold the Preset (1 - 6) button for 2 seconds. The words
Presets 1 -10
- Press and hold the 7+ button for 2 seconds. The
list will show on the display. - Press Tune ▲/Tune▼button to select the preset position that you would like to store, and then press Select button to save the station. The words "Preset # stored" will show on the display.
Recalling a Preset Station
Recall Presets 1 - 6
To recall preset stations that are stored in positions 1-6 just press the Presets 1-6 button.
Recall Presets 1-10
-
Press 7+ button, the Preset Recall list will be displayed. Press Tune ▲/ Tune▼ button to select your desired preset station number.
-
Press Select button to confirm

If you choose a preset that hasn't been allocated a station, "Preset Empty" will be displayed.
FM Display Modes
Every time you press INFO/MENU button on the unit, the display will cycle through the following display modes.
The information is displayed on the lower segment of the display.
Radio Text
The broadcaster can include a message that displays information about the current programme.
Programme Type
This describes the "Style" or "Genre" of music that is being broadcast.
Station Name / Frequency
When an RDS station is received, the name of that station will be displayed, or if not the frequency will be displayed.
Time
This displays the current time provided automatically by the broadcaster.
Date
This displays the current date provided automatically by the broadcaster.

flowchart
graph TD
A["Radio Text"] --> B["Programme Type"]
B --> C["Station Name / Frequency"]
C --> D["Time"]
D --> E["Date"]
Maintenance
Cleaning the Unit

Ensure the unit is fully unplugged from the mains socket before cleaning.
• To clean the unit, wipe the case with a slightly moist, lint-free cloth.
- Do not use any cleaning fluids containing alcohol, ammonia or abrasives.
• Do not spray aerosol at or near the unit.
Hints and Tips
If a problem does occur, it may often be due to something very minor. The following table contains various tips. If you require additional assistance
• For UK, please call our UK Call Centre on 0344 561 1234.
• For Ireland, please call our Ireland Call Center on 1 890 818 575.
General
| Problem Solution | |
| No power. • Ensure the mains plug is connected.• Make sure that you select the ON mode. | |
| No sound from the unit. Please try either one of the solutions below:• Make sure that the unit is not muted.Turn the Vol+/Vol- button on the unit to resume normal listening.• Press Standby button on the unit to switch the unit to standby mode. Then press the button again to switch the unit on.• Unplug the unit from the mains socket, then plug them again. Switch on the unit. | |
| The unit does not respond when pressing any buttons. | • The unit may freeze up during use. Switch the unit off and then on again at the mains socket to reset the unit. |
Radio DAB/FM
| Problem Solution | |
| Poor radio reception.• Make sure the DAB/FM aerial is fully extended.• Electrical interference in your home can cause poor reception. Move the unit away from them (especially those with motors and transformers). | |
| Desired station not found.• | Weak signal. Search manually.• If reception is still poor, adjust the position of the aerial. |

If any functional abnormality is encountered, unplug the unit from the mains socket and reconnect it again.
Product Fiche and Specifications
| Brand JVC | |
| Model RA-D38B / RA-D38H | |
| Mains Adapter | |
| Mains Adapter Model S6W-060050UK | |
| Mains Adapter Manufacturer Hongping Electronics Co. Ltd. | |
| System Section | |
| Power Supply 100 - 240 V ~ 50/60 Hz | |
| Adapter Output | 6V ---0.5A |
| Power Consumption 3 W | |
| Speaker Output Power 1W RMS | |
| Net Weight 0.4 kg | |
| Unit Dimension (W) × (D) × (H) | 39 mm × 155 mm × 63 mm |
| Radio Section | |
| Frequency Range FM 87.50 – 108.00 MHz | |
Features and specifications are subject to change without prior notice.

Team Knowhow
Help with all life's kit*
For general information about this appliance and handy hints and tips, please visit:
www.TeamKnowhow.com/discover or call 0344 561 1234
Partmaster .couk
Visit Partmaster.co.uk today for the easiest way to buy electrical spares and accessories. With over 1 million spares and accessories available we can deliver direct to your door the very next day. Visit www.partmaster.co.uk or call 0344 800 3456 (UK customers only). Calls charged at National Rate.

The symbol on the product or its packaging indicates that this product must not be disposed of with your other household waste. Instead, it is
your responsibility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment. The separate collection and recycling of your waste equipment at the time of disposal will help conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment.
For more information about where you can drop off your waste for recycling, please contact your local authority, or where you purchased your product.
All trademarks are the property of their respective owners and all rights are acknowledged.
Dear Customer,
This apparatus is in conformance with the valid European directives compatibility and electrical safety.
European representative of the manufacturer is:
DSG Retail Ltd. (co. no. 504877)
1 Portal Way, London, W3 6RS, UK
For Help and Support Call
UK: 0344 561 1234
Ireland: 1890 818 575
The product is distributed and warranted exclusive by DSG Retail Ltd.
"JVC" is the trademark of JVC KENWOOD Corporation,
used by DSG Retail Ltd. under license.