sunstech RPDS32 Digital AM FM Radio User Guide



1. Display. 10. USB connector
2. Power button ON/OFF. 11. Numerical Keys
3. MP3/AM/FM 12. FM Antenna.
4. Mem/Play-Pause/Scan. 13. Aux-in Jack.
5. Previous14 14. Headphone Jack.
6. Next. 15. SD/MMC Card Slot.
7. Volume Control 16. DC 5V USB Cable connector.
8. Numerical Keys “0”/Adj.Function. 17. Sleep function.
9. Micro SD slot


Battery Supply

Open the battery compartment and insert as indicated in the compartment, one Rechargeable Battery, Li-ion 3.7V

Battery Charging

Connect the unit by inserting the USB cable into DC 5V IN jack, and inserting the other end into the USB interface or USB charger (is an optional accessory). The charging time is around 2 hours. The charging indicator will flash during battery charging. To use 5V AC/DC adapter for external DC charging, plup the connecting cable to the DC jack (voltage adapter is an optional accessory. Do not charge the battery with the AC/DC adapter for more than 1 2 hours). Important: If the unit has not been used for a long period of time, the rechargeable battery can stay completely discharged. This is characteristic in all the rechargeable batteries. For the first.time recharging (to wake up) the battery, it is recommended to charge for a period of 5 hours but not to exceed 24 hours.

  1. Press Power button for 2 seconds to switch on the unit.
  2. Press Next or Previous button during a second to start radio scanning.
  3. Press Adj.Function button for 2 seconds, and then press Next or Previous button for adjust the radio frequency.
  4. Adjust the sound volume by pressing Vol- & Vol+.
  5. Press Power button for 2 seconds to turn off the unit.

Radio Preset (Auto-Scan):

  1. Press Mem/Play-Pause/Scan for 2 seconds to start Auto-Scan preset stations. It will auto-stop when all the stations have been found.
  2. Press Next or Previous button to select preset stations.

Radio Preset (Programming):

  1. Tune to desire radio frequency.
  2. Press Mem/Play-Pause/Scan once to program mode. The “P01 ” will be shown on the display. Press Next or Previous button to select stored position “P02” “P03″…, and press Mem/Play-Pause/Scan once to confirm.
  3. Press Next or Previous button to select preset stations.
Input Radio Station

Press the number Keys to directly enter a set Radio Station. To improve FM reception pull out the antenna, incline it and turn the aerial, reduce its length if the FM-signal is too strong (very close to a transmitter).

Sleep function

This function It’s controlled by the numerical key “5” Sleep. Press the numerical key “5” for 2 seconds. The LCD display will flash with the sleeping time selection 90 / 75 / 60 / 45 / 30 / 1S minutes. Will show on screen the minutes and the letter “S” and then press the sleep function “number 5” to select the desired minutes. After the sleeping time selected, don’t touch any button then the LCD display will back to normal. The time of sleep function is set and showing the letter “S” in the screen. Press the numerical key “5” for 2 seconds then press the sleep function ” number 5 * to select” off” for cancel the setting of sleep function.

USB & MicroSD/SD/MMC Card playback

This unit is able to decode and playback all MP3 files which stored in the memory media with USB connector or MicroSD/SD/MMC Card slot.

  1. Press MP3/Radio once to MP3 mode.
  2. Before connecting the USB media to the unit, make sure the port is in the incorrect direction and will connect. Or insert SD/MMC/TF Card straightly without bending.
  3. The system will automatically start reading the MP3 files in the USB Storage Media or MicroSD/SD/MMC Card.
  4. Press Next/Previous/Play buttons for Next/Previous/Play function.
  5. Press Number Keys to direct enter the soundtrack sequence. Wrongly connecting the USB Storage Media, or MicroSD/SD/MMC Card upside down could damage the unit or the USB Storage Media or MicroSD/SD/MMC card. A locked MicroSD/SD/MMC card cannot detected or playback.
AUX input

Connect a Jack 3,5 mm Stereo in the auxiliary input to listening the audio of others devices as smartphones, MP3. Warning: An excessive signal in the auxiliary input can damage the device.


Sleep function: 15, 30, 45, 60, 75 and 90 minutes.Digital display (red color).AM/FM radio PLL.FM: up to 50 presets.AM: up to 15 presets.Adj.Function.Slot Micro SD Card up to 32GB.Slot SD/MMC Card up to 32GB.Slot USB up to 32GB.Aux Input.DC in Mini USB.Power Output: 1 W RMS.Input Power: DC 5V Mini USBRechargeable Battery: DC Li-ion 3.7 V 400 mAh.




Correct disposal of this Product (Waste Electrical & Electronic Equipment)(WEEE)Your product is designed and manufactured with high-quality materials and components which can be recycled and reused.This symbol means that electrical and electronic equipment, at their end of life should be disposed of separately from your household waste.Please dispose of this equipment at your local community waste collection/recycling center.In the European Union, there are separate collection systems for used electrical and electronic products. Please help us to conserve the environment we live in!
DO NOT place objects on top of the device, as objects may scratch the device.
DO NOT expose the device to dirty or dusty environments.
DO NOT place the device on an uneven or unstable surface.
DO NOT insert any foreign objects into the device.
DO NOT expose the device to a strong magnetic or electrical field.
DO NOT expose the device to direct sunlight as it can damage the device. Keep it away from heat sources.
DO NOT store your device in temperatures higher than 40°C (104°F). The internal operating temperature for thi s device is from 20°C (ó8°F) to ó0°C (140°F).
DO NOT use the device in the rain.
Please check with your Local Authority or retailer for proper disposal of electronic products.
The device and adaptor may produce some heat during the normal operation of charging. To prevent discomfort or injury from heat exposure, DO NOT leave the device on your lap.
POWER INPUT RATING: Refer to the rating label on the device and be sure that the power adaptor complies with the rating. Only use accessories specified by the manufacturer.
Clean the device with a soft cloth. If needed, dampen the cloth slightly before cleaning. Never use abrasives or cleaning solutions.
Always power off the device to install or remove external devices that do not support hot-plug.
Disconnect the device from an electrical outlet and power it off before cleaning the device.
DO NOT disassemble the device. Only a certified service technician should perform the repair.
The device has apertures to disperse heat. DO NOT block the device ventilation, the device may become hot and malfunction as a result.
Risk of explosion if battery replaced by an incorrect type. Dispose of used batteries according to the instruction.
PLUGGABLE EQUIPMENT: the socket outlet shall be installed near the equipment and shall be easily accessible.


European Union: Disposal Information.This symbol means that according to local laws and regulations your product and/or its battery shall be disposed o f separately from household waste. When this product reaches its end of life, take it to a collection point designated by local authorities. The separate collection and recycling of your product and/or its battery 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.

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