Упатство за користење на LIJIANI RD239 мултиопсежно краткобраново радио

1. Вовед

This manual provides detailed instructions for the operation and maintenance of your LIJIANI RD239 Multi-Band Shortwave Radio. The RD239 is a compact, versatile radio designed for receiving various frequency bands, including AM, FM, Shortwave (SW), Aviation (AIR), Very High Frequency (VHF), and Weather Band (WB). It also features Bluetooth connectivity, TF card playback, digital recording, an integrated flashlight, alarm clock, and sleep timer functions.

2. Производот завршиview

2.1 Клучни карактеристики

• Мулти-бенд прием: Supports AIR/VHF/AM/FM/Shortwave/Weather bands for comprehensive listening.
• Digital Recording: Record radio broadcasts or external audio directly to a TF card.
• Bluetooth & TF Card Playback: Stream audio wirelessly via Bluetooth or play MP3/WAV/WMA files from a TF card. Includes 6 EQ modes.
• Интегрирано осветлување: Features a high-power flashlight and a reading lamp за разни ситуации.
• Управување со времето: Includes an alarm clock and a programmable sleep timer.
• Опции за напојување: Operates on 3 AA batteries or a BL-5C rechargeable battery, with Type-C input for charging and external power.
• Кориснички интерфејс: Backlit display and keys for visibility in low-light conditions.

2.2 Содржина на пакетот

• LIJIANI RD239 Shortwave Radio
• Сопственик прирачник

2.3 Идентификација на компоненти

Слика 1: Предна страна view of the LIJIANI RD239 Shortwave Radio, showing the display, keypad, speaker, and extended antenna.

Слика 2: Страна view illustrating the radio's dimensions (3"L x 5.3"W x 1"H) and port locations including the 3.5mm audio input (AUX IN), Type-C charging port, and headphone jack.

Слика 3: Заден дел view of the radio, highlighting the battery compartment, ANT IN jack, AUX IN jack, Earphone Jack, Type-C port, Flashlight Switch, and TF Card slot.

3. Поставување

3.1 Инсталација на батерија

Figure 4: Schematic for installing BL-5C lithium-ion battery and AA batteries.

1. Отворете го капакот на преградата за батерии на задната страна од радиото.
2. For BL-5C Lithium-Ion Battery: Insert the BL-5C battery (1000mAh) into the compartment, ensuring the correct polarity (+/-) as indicated. Insert the electrode end first.
3. За AA батерии: Insert three (3) 1.5V AA batteries, observing the correct polarity.
4. Добро затворете го капакот на преградата за батерии.

Important Note on AA Batteries: When using AA batteries, especially with high volume, the radio may experience early shutdown, screen flickering, or sound lag due to insufficient current supply. To mitigate this, reduce the volume or use headphones. It is recommended to use the BL-5C lithium-ion battery for optimal performance, reserving AA batteries for emergency backup.

3.2 Почетно вклучување

Press the power button once to activate the display, then press it a second time to turn on the radio. This two-step process helps prevent accidental power-on.

4. Упатства за работа

4.1 Вклучување/исклучување

• За вклучување: Притиснете го Моќ button once to wake the display, then press it again to power on the radio.
• За исклучување: Притиснете и држете го Моќ копче.

4.2 Избор и подесување на опсег

Figure 5: Radio displaying various frequency bands and their ranges.

• Притиснете го БЕНД button to cycle through available frequency bands: FM, AM, SW, AIR, VHF, WB.
• Use the tuning knob on the side of the radio for manual frequency adjustment.
• For direct frequency input, use the numeric keypad and press ENTER.
• To save a station, tune to the desired frequency, then press МЕМОРИЈА followed by a numeric key to assign a preset.
• To recall a saved station, press the corresponding numeric key.

4.3 режим на Bluetooth

Figure 6: The radio wirelessly connected to a smartphone via Bluetooth.

• Притиснете го РЕЖИМ button until "BT" or the Bluetooth icon appears on the display.
• On your smartphone or other Bluetooth device, search for available devices and select "RD239" to pair.
• Откако ќе се спари, можете да стримувате аудио од вашиот уред на радиото.

4.4 Репродукција на TF картичка

• Insert a TF (Micro SD) card into the designated slot on the side of the radio.
• Притиснете го РЕЖИМ button until "TF" or the TF card icon appears.
• Користете ги копчињата за навигација (ПРЕДМЕТ/СЛЕДНО) to select tracks and PLAY/PAUSE за контрола на репродукцијата.
• Притиснете го EQ button to cycle through 6 available equalizer modes.

4.5 Дигитално снимање

• Осигурајте се дека е вметната TF картичка.
• To record radio broadcasts: Tune to the desired station, then press the REC копче за да започнете со снимање. Притиснете REC повторно да престане.
• To record external audio: Connect an external audio source to the AUX IN jack (if applicable for external recording, otherwise use built-in microphone). Press REC to start and stop.
• To play recordings: Press REC FILE to access recorded files on the TF card. Use navigation buttons to select and play.
• To delete recordings: While playing a recording, press the ДЕЛ копче.

4.6 Фенерче и читање Lamp

Figure 7: The radio's integrated flashlight providing illumination.

• The radio features a high-power flashlight on one end and a reading lamp на страна.
• Лоцирајте го Прекинувач за фенерче on the top/back of the radio (refer to Figure 3).
• Slide the switch to activate the flashlight or reading lamp.

4.7 Будилник и тајмер за спиење

Figure 8: The radio functioning as an alarm clock and sleep timer.

• Поставување на часовникот: While the radio is off and displaying the clock, press and hold the ВРЕМЕ СЕТ button. Use the numeric keys or tuning knob to adjust the time, then press ВРЕМЕ СЕТ повторно да се потврди.
• Поставување аларм: Притиснете го AL SET button. Use the numeric keys or tuning knob to set the alarm time. Press AL SET again to confirm. When the alarm sounds, press any button to stop it.
• Поставување на тајмерот за спиење: Притиснете го СПИЈ button repeatedly to cycle through sleep timer durations (e.g., 10-90 minutes). The radio will automatically turn off after the selected time.

4.8 Backlit Keys and Display

• The keypad and display feature backlighting for improved visibility.
• To adjust the backlight duration: Before turning on the radio (when the clock is displayed), press and hold the ПОСТАВЕТЕ button until the duration options appear (e.g., 5, 10, 15, 20 seconds). Press ПОСТАВЕТЕ again to select the desired duration. The setting will automatically apply after 3 seconds.

5. Напредни карактеристики

5.1 Squelch (SQ) Function (AIR Band)

• The SQ function is effective only for the AIR band.
• When listening to an AIR band station, press and hold the ПОСТАВЕТЕ button for 2 seconds. "ON" or "OFF" will appear.
• Притиснете го ПОСТАВЕТЕ button to select "ON" to enable squelch. The setting will automatically exit and take effect after 3 seconds.
• Squelch automatically mutes the output signal when the radio does not receive a signal or the signal is weak, preventing noise.

5.2 FM/VHF Bandwidth Setting

• When listening to FM, long press the ПОСТАВЕТЕ button for 2 seconds. Characters like "50K-100K-150K-200K" will appear.
• Притиснете го ПОСТАВЕТЕ button again to select the desired bandwidth (e.g., 100K).
• The setting will automatically exit after 3 seconds and the FM frequency bandwidth will operate at the selected value.

6. Управување со енергија

6.1 Battery Usage Guidelines

• The radio is designed to use either a BL-5C lithium-ion battery or 3 AA batteries.
• For optimal performance and to avoid issues like early shutdown or sound distortion at high volumes, prioritize using the BL-5C lithium-ion battery.
• If using AA batteries, especially with high volume, it is recommended to reduce the volume or use headphones to prevent power-related issues. Avoid using inferior quality AA batteries.

6.2 Полнење

• Connect the radio to a power source using a standard Type-C cable.
• Charging is only effective for the BL-5C lithium-ion battery. The Type-C input does not charge AA batteries.
• The Type-C port can also function as an external computer speaker connector or allow the device to act as a card reader when a TF card is inserted and connected to a computer.

7 Смена на проблеми

• No Power/Early Shutdown: Ensure batteries are correctly installed and charged. If using AA batteries, consider replacing them with fresh, high-quality ones or switching to the BL-5C battery. High volume with AA batteries can cause premature shutdown.
• Лош прием: Extend the telescopic antenna fully. Try repositioning the radio to a location with better signal. For AM, rotate the radio for optimal reception.
• Screen Flickering/Sound Lag: This can occur with low battery power, especially when using AA batteries at high volume. Reduce volume or replace/recharge batteries.
• No Sound from TF Card/Bluetooth: Ensure the correct mode is selected. Check if the TF card is properly inserted and contains compatible audio files. For Bluetooth, ensure the radio is paired correctly with your device.
• Проблеми со снимање: Verify that a TF card is inserted and has sufficient free space.

8. Спецификации

9. Гаранција и поддршка

9.1 Информации за гаранцијата

Specific warranty details for the LIJIANI RD239 radio are typically provided at the point of purchase or within separate warranty documentation. Please refer to your purchase receipt or contact the retailer for information regarding warranty coverage and terms.

9.2 Поддршка за корисници

For technical assistance, troubleshooting, or further inquiries regarding your LIJIANI RD239 Shortwave Radio, please contact the manufacturer or your authorized dealer. Contact information can usually be found on the product packaging or the seller's webсајт.