ആമുഖം
വാങ്ങിയതിന് നന്ദി.asing the Retekess V115 portable radio. This manual provides detailed instructions on how to set up, operate, and maintain your device. Please read it thoroughly before use to ensure proper functionality and safety.
ഉൽപ്പന്നം കഴിഞ്ഞുview
The Retekess V115 is a compact, multi-functional digital radio featuring AM, FM, and Shortwave (SW) bands, MP3 playback from Micro SD cards, and recording capabilities. It is designed for portability and ease of use, measuring 12x2x8cm and being lightweight enough to fit easily into a pocket.

ചിത്രം 1: മുൻഭാഗം view of the Retekess V115 radio with key components labeled. Labels include 360-degree rotating antenna, microphone, LCD display, power switch, MODE key, FM/AM band switch, SW band switch, numeric keypad, previous/next track keys, play/pause key, REC (record) key, DEL (delete) key, and volume adjustment.

ചിത്രം 2: ഓവർview of Retekess V115 features, including Japanese language support, subwoofer, MicroSD card MP3 playback (up to 32GB), one-touch volume adjustment (0-32 levels), three recording modes, and a sleep auto-off function (0-90 minutes). Also shows frequency ranges: FM (64-108MHz/87-108MHz), AM (522-1710KHz), SW (4.75-21.85MHz).

ചിത്രം 3: വിശദമായി view of the Retekess V115, illustrating the 360-degree rotatable antenna, the 1000mAh removable rechargeable BL-5C lithium battery, and the various ports including the headphone jack, line-in jack, Micro-SD card slot, and Type-C USB charging jack.
സജ്ജമാക്കുക
ഭാഷാ ക്രമീകരണങ്ങൾ
The device supports multiple languages. To change the display language:
- അമർത്തിപ്പിടിക്കുക മെനു പ്രധാന മെനു പ്രദർശിപ്പിക്കുന്നതിനുള്ള കീ.
- ഉപയോഗിക്കുക << or >> buttons to navigate to "Language" (言語選択).
- അമർത്തുക > || key to select and confirm "Japanese" (日本語).

Figure 4: Steps to change the display language to Japanese via the system settings menu.
FM Frequency Settings
To adjust the FM frequency range:
- അമർത്തിപ്പിടിക്കുക മെനു പ്രധാന മെനു പ്രദർശിപ്പിക്കുന്നതിനുള്ള കീ.
- ഉപയോഗിക്കുക << or >> buttons to navigate to "FM Settings" (FM設定).
- അമർത്തുക > || key to enter the FM settings.
- Select your desired frequency range (e.g., 64-108MHz or 87-108MHz) and press the > || സ്ഥിരീകരിക്കാനുള്ള കീ.
Note: The default frequency band after turning on the V115 may be 87-108MHz. Please set it to the 64-108MHz band if needed.

Figure 5: Steps to configure the FM frequency range.
AM Step Settings
To adjust the AM stepping frequency:
- In AM radio mode, press and hold the മെനു പ്രധാന മെനു പ്രദർശിപ്പിക്കുന്നതിനുള്ള കീ.
- ഉപയോഗിക്കുക << or >> buttons to navigate to "AM Stepping Set".
- അമർത്തുക > || key to select your desired step (9KHz or 10KHz) and confirm.
പ്രവർത്തന നിർദ്ദേശങ്ങൾ
Tuning and Saving Stations
You can tune to stations manually, automatically, or by direct frequency input. The radio can store up to 440 channels (FM: 80ch, AM: 60ch, SW: 300ch).
- സ്വമേധയാലുള്ള ട്യൂണിംഗ്: റേഡിയോ മോഡിൽ, അമർത്തിപ്പിടിക്കുക << or >> buttons to search for channels forward or backward. The search will stop and playback will begin when a receivable station is found.
- ഡയറക്ട് ഫ്രീക്വൻസി ഇൻപുട്ട്: Enter the desired frequency using the numeric keypad. For example, to tune to 89.8MHz, press 8, 9, 8, then press > || to confirm. The radio will jump to 89.8MHz.
- Automatic Search and Save: റേഡിയോ മോഡിൽ, അമർത്തിപ്പിടിക്കുക > || key to enter automatic channel search and save mode. Available channels will be automatically searched and saved from low to high frequencies. Once saving is complete, press << or >> to recall and listen to saved channels. If unwanted stations are automatically saved, press the DEL key to delete them.
- Manual Preset Save: After searching for a radio station, press and hold the numeric key "5" to enter the radio station save mode. Input the preset number using the numeric keypad.
- പ്രീസെറ്റ് ഇല്ലാതാക്കുക: അമർത്തിപ്പിടിക്കുക DEL key to delete a preset.
Video 1: Demonstrates how to tune and save radio stations on the Retekess V115. It shows automatic tuning by long-pressing the forward/backward buttons, direct frequency input using the numeric keypad, and manual saving of presets by long-pressing '5' and entering a preset number. It also shows how to delete a preset by long-pressing the 'DEL' button.

Figure 6: The radio display showing a tuned FM frequency of 89.8 MHz on channel 00.
MP3 Playback and Recording
The device supports MP3 playback from a Micro SD card and offers three recording modes. If downloaded files contain lyrics in LRC format, they will be displayed on the screen.
- MIC റെക്കോർഡിംഗ്: Insert a Micro SD card. In playback mode, long-press the REC key to enter recording mode. Press it again to stop recording.
- Line-in Recording: Connect an external audio source via the line-in jack and adjust the volume. Long-press the REC key to enter recording mode. Press it again to stop recording.
- റേഡിയോ റെക്കോർഡിംഗ്: അമർത്തുക FM/AM key to enter radio mode. In playback mode, long-press the REC key to enter recording mode. Press the REC key during recording to stop. Press the ▶|| ▶|| key during recording to pause/resume. Recording resolution can be set to 64kbps, 96kbps, or 128kbps. Higher resolution improves sound quality but increases file വലിപ്പം.
Video 2: Demonstrates MP3 playback and recording functions. It shows how to play MP3 files from a Micro SD card and how to record audio from the radio or an external source.
സ്ലീപ്പ് ടൈമർ
The sleep timer function allows you to set the radio to automatically turn off after a specified period, up to 90 minutes, in 10-minute increments. This helps conserve battery and prevents disturbance during sleep.
സൗണ്ട് ഇഫക്റ്റുകൾ
Choose from a variety of sound effects including Natural, Pop, Rock, Jazz, Country, and Heavy Bass to customize your listening experience according to your preferences.
ബാറ്ററിയും ചാർജിംഗും
The Retekess V115 is equipped with a 1000mAh lithium-ion battery. It takes approximately 4 hours to fully charge using the included USB-C cable. A full charge provides about 13 hours of standard use or 23 hours with headphones.
പ്രധാനപ്പെട്ടത്: Before first use, charge the radio for 6 hours. Subsequent charges will take approximately 4 hours. Use the included charging cable. It is not recommended to use the radio while charging, especially for AM reception, as AC power may interfere with reception. If the radio will not be used for a long time, remove the battery or fully charge it every two months to maintain battery health.

Figure 7: The 1000mAh rechargeable lithium-ion battery.
സ്പെസിഫിക്കേഷനുകൾ
| ഫീച്ചർ | വിവരണം |
|---|---|
| ബ്രാൻഡ് | രെതെകെസ് |
| മോഡൽ | V115 |
| നിറം | കറുപ്പ് |
| ട്യൂണർ ടെക്നോളജി | AM, FM, SW |
| ഫ്രീക്വൻസി റേഞ്ച് (FM) | 64-108MHz / 87-108MHz |
| ഫ്രീക്വൻസി റേഞ്ച് (AM) | 522-1710KHz (9k) / 520-1710KHz (10k) |
| Frequency Range (SW) | 4.75-21.85MHz |
| പവർ ഉറവിടം | Battery Powered (1000mAh Lithium-ion) |
| കണക്റ്റിവിറ്റി | യുഎസ്ബി (ചാർജ് ചെയ്യുന്നതിനുള്ള ടൈപ്പ്-സി) |
| ഉൽപ്പന്ന അളവുകൾ | 12 cm (L) x 8 cm (W) x 2 cm (H) |
| ഉൾപ്പെടുത്തിയ ഘടകങ്ങൾ | V115 Radio Unit, Type-C Charging Cable, Instruction Manual |
| പ്രത്യേക സവിശേഷതകൾ | Portable, Rechargeable, Lightweight, MP3 Playback, Recording Function, Sleep Timer, Headphone Jack, Line-in Jack, Micro SD Card Slot, Backlit LCD Display |
ട്രബിൾഷൂട്ടിംഗ്
- മോശം സ്വീകരണം: When listening to broadcasts, place the radio near a window and away from other electronic devices. Adjust the direction of the radio and extend the antenna for optimal reception. Due to the nature of FM and AM, FM reception may be weaker than AM in indoor environments with many obstacles. Reception sensitivity differs between indoor and outdoor environments with obstructions.
- Noise during Charging (AM): It is not recommended to use the radio while charging, especially for AM reception, as AC power may cause interference.
- Headphone Interference (FM): Some users have reported reduced FM reception sensitivity when headphones are connected. If you plan to listen to FM broadcasts with headphones, this model might not be ideal.
മെയിൻ്റനൻസ്
- Keep the radio away from water and other liquids.
- ശക്തമായ ആഘാതങ്ങൾക്ക് ഉപകരണം ഇടുകയോ ഇടുകയോ ചെയ്യുന്നത് ഒഴിവാക്കുക.
- Do not expose the radio to direct sunlight for extended periods.
- ഉപകരണം സ്വയം ഡിസ്അസംബ്ലിംഗ് ചെയ്യാനോ നന്നാക്കാനോ ശ്രമിക്കരുത്.
- If not using the radio for a long period, remove the battery or fully charge it every two months to maintain battery health.
പിന്തുണ
For further assistance or inquiries, please contact Retekess customer support or visit our official webസൈറ്റ്.
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