Choyong LC90 Portable Multi-Band Internet Radio - User Manual

Instructions for Use

1. Getting Started: The LC90 is powered by 2*18650 rechargeable lithium batteries. Use the supplied USB-Type-C cable for charging. Press and hold the power button to turn the radio on or off.
2. Charging Battery: Connect the Type-C cable to a 5V power adapter. Avoid using chargers for iPads or computers. Charging may take longer if the radio is in use.
3. Bluetooth Playback: Press the BT button to enter Bluetooth mode. On your device, enable Bluetooth, scan for devices, and connect to "Choyong-LC90". Playback can be controlled via the radio. The connection restores automatically when devices are in range.
4. Software Update: Periodically check for software updates to enhance features. Do not operate the radio during an upgrade.
5. Telescopic Antenna Assist Middle Wave: The integrated auxiliary circuit enhances MW signal strength. Use the telescopic antenna outdoors for improved SNR.

Trouble Shooting

Problem: Connect to the network, but unable to play particular stations.

• Solution: The station may not be broadcasting, be in a different time zone, have server capacity issues, or have an unstable internet connection.

Problem: Cannot connect to Wi-Fi network.

• Solution: Ensure the Wi-Fi can access the internet. Check the distance to the router and optimize its location if the signal is weak.

Problem: The radio freezes or has no response.

• Solution: Force restart the radio by pressing and holding the power button for 5 seconds until the screen turns white.

Product Specifications

• Model: LC90
• Colour: Space gray
• Weight: 640g
• Size: 200*122*40mm
• Frequency: FM: 64-108MHz (Step: 10KHz/100KHz), LW: 153-279KHz (Step: 1KHz/9KHz), MW: 522-1710KHz (Step: 1KHz/9KHz/10KHz), SW: 2400-26100KHz (Step: 1KHz/5KHz)
• Speaker: 15W
• Battery: Replaceable and rechargeable 18650*2
• Network: 4G Band supported: FDD Band2/3/4/5/; TDD Band38/39/40/41.
• Bluetooth version: 5.2
• TF card: Maximum 32 GB
• Earphone: 3.5mm jack
• External Antenna: 3.5mm jack

Important Function Tips

• How to connect Wi-Fi? Press the Wi-Fi button to enter Wi-Fi settings. Select your network and input the password using VF/VM to switch input methods (abc/ABC). A restart may be needed to save the password.
• How to add internet radio website? Press "Add radio". Scan the QR code with your phone and enter the desired website.

For more details and operation tips, visit the Choyong YouTube channel: https://www.youtube.com/@choyongradio

For station list updates, contact Choyong support.

Contact:

• 24-hour service Team: Choyongradio@gmail.com
• Official Website: http://www.sz-chaoyuan.com

Location of Controls

A diagram illustrates the location of controls, numbered 1 through 31.

Control Descriptions:

1. ON / OFF: Press for 2 seconds to power on/off. Press for 5 seconds to force restart.
2. FM/Mode: Short press to enter FM mode. Press and hold for 2 seconds for FM ATS (Auto Searching and Save).
3. MW mode / LW mode: Short press to enter MW mode. Press and hold for 2 seconds for MW ATS. Another short press enters LW mode, press and hold for 2 seconds for LW ATS.
4. SW Mode: Short press to enter SW mode. Press and hold for 2 seconds for SW ATS.
5. Bluetooth Mode: Short press to enter Bluetooth mode.
6. TF Card mode: Short press to enter TF card mode. Restart the radio after inserting the TF-Card.
7. Tag Button: Select internet radio stations by tag (e.g., POP, NEWS, MUSIC, ROCK).
8. Menu button: Open the main menu.
9. Language mode: Select internet radio stations by language (e.g., German, French, English).
10. Lock Button: (Functionality described as similar to Language mode in the source text, likely intended for a different function).
11. Clock Alert: Set alarm clock, scheduled power on/off, and play time limit.
12. Set UP: Enter the settings menu.
13. History: View a record of listened radio stations.
14. Favorites: Bookmark favorite stations while playing, or view favorite stations when not playing.
15. Confirm button: Confirm selections.
16. Music stations shortcut key: Access a list of internet radio stations labeled "music".
17. Podcast stations shortcut key: Access a list of internet radio stations labeled "podcast".
18. News stations shortcut key: Access a list of internet radio stations labeled "NEWS".
19. Add / Edit stations: Add or edit internet radio station websites.
20. Number: Input radio frequency, Wi-Fi password, or TF-Card music numbers for direct tuning.
21. VF/VM button: Switch input method for Wi-Fi password. In regular radio mode, switch tuning knob function (VF: Switching frequency, VM: Switching saved frequency).
22. Return button: Go back to the upper level menu.
23. Previous (): Shift to the previous song or channel.
24. Pause (): Pause or replay playback.
25. Next (): Shift to the next song or channel.
26. TF card Slot: Insert a TF-Card (max 32 GB) to play music. Restart the radio after insertion. Music can be managed by connecting the radio to a computer.
27. SIM Card slot: Supports Nano SIM Card. Restart the radio after inserting the SIM card.
28. Multifunctional knob: Tune frequency (FM 100KHz, MW 9/10KHz, SW 5KHz). Short press to select meter-band. In VM Mode, switch saved frequencies. In internet radio mode, switch stations. Short press to confirm. Use in main menu to select and confirm.
29. Fine Tuning knob: Fine tune frequency (FM 10KHz, MW 1KHz, SW 1KHz). Switch favorite radios. Short press to adjust receiving bandwidth.
30. Volume Control with switch: Rotate to adjust volume. Rotate counter-clockwise to the 'click' to enter sleep mode. Turning the switch on resumes playback.
31. External antenna jack: Supports 3.5mm plug external antennas (active and passive).