RETEKESS PR11 Portable FM/AM Radio User Manual
- June 6, 2024
- RETEKESS
Table of Contents
Pocket Retekess PR11 FM/AM Radio User Manual
1. Power switch ON/OFF
2. Volume knob
3. DC 5V charging jack
4. Charging indicator / LED flashlight
5. USB port
6. Earphone jack
7. 0-9 number buttons| 8. Previous MP3/channel, rewind
9. Play/Pause/scan and memory radio channels
10. Next MP3/ channel, fast-forward
11. Switch mode among MP3/AM/FM/AUX
12. Repeat
13. LED flashlight switch
14. TF card slot
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Operating Instructions for Each Button:
- ON/OFF: power switch, turn on or turn off this product;
- ****: Volume knob, volume up to the big side, volume down to the small side;
- DC5V: 5V charging jack, if you have 3.5mm audio cable, this jack can be used as an AUX jack;
- LED: Charging indicator with dim light, hold press the button “LED” on the surface to work in strong light as an LED flashlight;
- USB: Plugin USB flash drive with MP3 files and then they can be played;
- ****: Earphone output jack, plugin earphone, then the audio will go to the earphone, silencing the speaker;
- 0-9: In MP3 mode, number buttons 0-9 can be used to select one specific MP3 (For example, continuously press buttons 1+6+8 to select the 168th MP3, but if the total number of the MP3 is not more than 168, will pay the current one MP3); In AM/FM radio mode, number buttons 0-9 can also be used to select one specific channel by radio frequency (For example, continuously press buttons 8+7+8 to select a channel of 87.8 MHZ);
- ****: In MP3 mode, short press for the previous MP3 while long press to rewind; In AM/FM mode, short press for previous channel;
- ****: In MP3 mode, short press to play or pause; In AM/FM mode, short press to play or pause; long press for over 3 seconds to automatically scan and memory channels;
- ****: In MP3 mode, short press for next MP3 while long press to fast-forward; In AM/FM mode, short press for next channel;
- MODE: Mode switch among USB/TF/AM/FM/AUX;
- ****: First press for ONE, repeating the current one MP3; next long press for FOLD, repeating the MP3 of the current folder; one more next long press for ALL, repeating all the MP3;
- LED: Press and hold to make the LED flashlight work;
- TF: Plugin TF card with MP3 files inside and then the MP3 files can be played.
Product Features:
- This product is very small, portable, and thin, its thickness is only 2cm, an attractive gift;
- It contains a special ultra-thin speaker, which enables it to have much better treble and bass HIFI sound, which cannot be achieved if conventional speakers are utilized;
- LED flashlight is very convenient when in the dark or at night;
- The big display screen is easier to read and is more legible;
- UV surface is clear and difficult to scratch.
AM Auto-scan radio:
The first time you use this product, please scan the AM radio first as follows:
- Turn on the product, then press the “MODE” button to select the AM band, then the “AM” icon will light on the display screen. Then long press “ ****” for over 3 seconds and stop; the numbers on the display screen will jump up quickly from 522 and stop at 1710, which means the AM radio is Auto-scanning channels. During this time, you should not do any other operations on this product.
- When the radio finishes Auto-scanning, it will automatically turn back to play the first channel. You can press “ ” or “ ” to choose the previous or next AM channel. Please note that AM is mediumwave, so it is prone to interference by electromagnetic waves that come out from AC chargers, lights, computers, and so on. Find an area that is free of interference when you scan the AM band.
FM Auto-scan Radio:
The first time you use this product, please scan the FM radio first as follows:
- Turn on the product, press the “MODE” button to select the FM band, then the “FM” icon will light on the display screen. Then long press “ ****” for over 3 seconds and stop; the numbers on the display screen will jump up quickly from 70 and stop at 108, which means the FM radio is Auto-scanning channels. During this time, you should not do any other operations on this product.
- When the radio finishes Auto-scanning, it will automatically turn back to play the first channel, you can press “ ” or “ ” to choose the previous or the next FM radio channel.
Battery Charging Methods:
- When reading USB/TF becomes intermittent or the display screen is flashing, it indicates that the battery voltage is not enough and you need to charge the battery by using the USB charge cable. Plug the big end into the USB jack of the computer or USB power adapter, and plug the small end into the DC5V charging jack on the radio. When charging, the LED charging indicator will light. Please note that the proper charging voltage should be DC5V. Too much voltage will damage internal components, too low will fail to charge the battery;
- Charging time is 3-5 hours, and the charging indicator will still be lit even when it is fully charged. It can play 2-3 hours at high volume and 6-8 hours at one-third volume when fully charged;
- Please use a suitable standard DC5V/500MA charger to charge this product. Using a bad quality or unsuitable charger may damage the product or lead to failure to charge.
Safety Precautions
- Please charge this product in a safe environment; do not charge under unstable voltage or near hazardous materials;
- Please do not use this product near water or put it into liquid;
- Please do not use this product in environments over 40 degrees Celsius;
- Please do not throw this product into the fire; it may cause an explosion.
Technical Parameters:
- Output: 3W(Max)
- AM Radio frequency: 522-1710KHZ
- FM Radio frequency: 70-108MHZ
- Frequency response: 150HZ-20KHZ
- Signal to noise ratio:≥80dB
- Distortion: ˂10%
- Speaker unit: 40MM 16 cores internal magnetic
- Charge voltage: DC5V/500MA
- Product size: 1176421.5MM
Included Accessories
Lithium battery – 1
USB charging cable – 1
User manual – 1
Caution
– Avoid Choking Hazard
Small Parts. Not for children under 3 years.
WARNING
| – Protect your hearing
• Use the lowest volume necessary to do your job.
• Turn up the volume only if you are in noisy surroundings.
• Turn down the volume before adding a headset or earpiece.
• Limit the amount of time you use headsets or earpieces at high volume.
• When using the radio without a headset or earpiece, do not place the radio’s
speaker directly against your ear
Note: Exposure to loud noises from any source for extended periods of
time may temporarily or permanently affect your hearing. The louder the
radio’s volume, the less time is required before your hearing could be
affected. Hearing damage from loud noise is sometimes undetectable at first
and can have a cumulative effect.
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FCC STATEMENT:
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference
that may cause undesired operation.
Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the
- receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
EU Importer:
Name: Germany Retevis Technology GmbH
Address: Uetzenacker 29,38176 wendeburg