1. Introduction
The Pagaria WALKIE L837BT is a portable device combining an FM radio, alarm clock, Bluetooth speaker, and media player with voice recording capabilities. This manual provides detailed instructions for setting up, operating, and maintaining your device to ensure optimal performance.
2. Setup
2.1. Unboxing and Initial Charge
Carefully remove the Pagaria WALKIE L837BT from its packaging. Before first use, fully charge the device using the provided USB cable. Connect the USB cable to the charging port on the device and to a standard USB power adapter (not included) or a computer USB port. The device features a rechargeable battery for up to 6 hours of playback.

Figure 2.1: Charging the Pagaria WALKIE L837BT. The device offers up to 6 hours of continuous playback on a full charge.
2.2. Controls Overview
Familiarize yourself with the buttons and ports on your device. Refer to the diagram below for a detailed layout.

Figure 2.2: Detailed view of the Pagaria WALKIE L837BT controls and ports. This includes the USB slot, TF slot, earphone jack, power switch, charging port, volume knob, LCD display, and various function keys.
- BACKWARD / LAST SELECT / TIME SETTING: Used for navigating backward, selecting previous tracks, or adjusting time settings.
- PLAY / PAUSE: Controls playback for audio.
- FORWARD / NEXT SELECT / TIME SETTING: Used for navigating forward, selecting next tracks, or adjusting time settings.
- MODE KEY (M): Switches between different modes (FM, Bluetooth, USB, TF).
- RADIO / REC / SAVE (FM button): In FM mode, short press for radio functions. Long press to initiate voice recording (requires TF card).
- USB SLOT: For USB drive playback.
- POWER SWITCH: Turns the device on or off.
- CHARGING PORT: Connects the USB charging cable.
- VOLUME KNOB: Rotary control for adjusting audio volume.
- CLOCK MODE / SLEEP TIMER KEY: Accesses clock settings and sleep timer function.
- REPEAT / SINGLE / OFF KEY: Controls playback repeat modes.
- TF SLOT: For TF (MicroSD) card playback and recording.
- EARPHONE JACK: For connecting wired earphones.
- LCD DISPLAY: Shows time, radio frequency, mode, and other information.
- HAND STRAP / FM ANTENNA: Functions as a carrying strap and an external antenna for improved FM reception.
- BATTERY COMPARTMENT: Houses the rechargeable battery.
2.3. Inserting TF Card
To use the voice recording function or play music from a memory card, insert a TF (MicroSD) card into the TF slot. Ensure the card is inserted correctly with the contacts facing down until it clicks into place. The device supports TF cards up to 32 GB.
3. Operating Instructions
3.1. Power On/Off
Slide the POWER SWITCH to the "ON" position to turn on the device. Slide it to "OFF" to power down.
3.2. Adjusting Volume
Rotate the VOLUME KNOB clockwise to increase the volume and counter-clockwise to decrease it.
3.3. FM Radio Operation
To enter FM mode, press the MODE KEY (M) until "FM" appears on the LCD display. For best reception, extend the hand strap as it doubles as an FM antenna.
- Auto Scan: Long press the PLAY/PAUSE button to automatically scan and save available FM stations.
- Manual Tuning: Use the BACKWARD / LAST SELECT or FORWARD / NEXT SELECT buttons to fine-tune frequencies.
- Direct Station Selection: Enter the frequency directly using the numeric keypad (e.g., for 94.3 MHz, press 9-4-3).

Figure 3.1: FM Radio with Digital Tuning. The device allows for easy scanning and direct station selection.
3.4. Bluetooth Mode
To connect via Bluetooth:
- Press the MODE KEY (M) repeatedly until "Bluetooth" mode is selected on the display. The device will enter pairing mode, indicated by a flashing Bluetooth icon.
- On your smartphone or other Bluetooth-enabled device, search for "WALKIE" in the Bluetooth settings.
- Select "WALKIE" to pair. Once connected, the Bluetooth icon will stop flashing.

Figure 3.2: Bluetooth Function. Short press the 'M' key to select Bluetooth mode and pair with your device.
3.5. USB/TF Card Playback
Insert a USB drive into the USB slot or a TF card into the TF slot. The device will automatically switch to USB or TF playback mode. If not, press the MODE KEY (M) to select the correct mode.
- Use the PLAY/PAUSE button to start or pause playback.
- Use the BACKWARD / LAST SELECT and FORWARD / NEXT SELECT buttons to skip tracks.
- Press the REPEAT / SINGLE / OFF KEY to cycle through repeat modes (e.g., repeat one, repeat all, random play).
3.6. Setting the Alarm Clock
The Pagaria WALKIE L837BT features a dual alarm function.
- Press the CLOCK MODE / SLEEP TIMER KEY to enter clock setting mode.
- Use the BACKWARD / LAST SELECT and FORWARD / NEXT SELECT buttons to adjust the time.
- Press the CLOCK MODE / SLEEP TIMER KEY again to confirm and move to alarm settings.
- Follow the on-screen prompts and use the navigation buttons to set Alarm 1 and Alarm 2 times.
- Ensure the alarm is activated (usually indicated by an alarm icon on the display).

Figure 3.3: Clock with Dual-Alarm Function. The device allows setting two independent alarms.
3.7. Voice Recording
To record your voice, ensure a TF card is inserted into the device.
- Long press the RADIO / REC / SAVE (FM button). The device will begin recording your voice through its inbuilt microphone.
- Press the PLAY/PAUSE button to stop recording. The recording will be saved to the TF card.
- To play back recordings, switch to TF card mode and navigate to the recorded files.

Figure 3.4: Inbuilt Mic for Recording. Long press the FM key to start recording your voice onto a TF card.
3.8. Sleep Timer
The sleep timer function allows the device to automatically turn off after a set period.
- Press the CLOCK MODE / SLEEP TIMER KEY repeatedly until the sleep timer setting appears.
- Use the navigation buttons to set the desired duration (e.g., 15, 30, 60 minutes).
- The device will power off automatically once the timer expires.
3.9. Earphone Use
Connect the included earphones to the EARPHONE JACK for private listening. The device's internal speaker will automatically mute when earphones are connected.

Figure 3.5: Portable Radio with Earphone. Enjoy private listening by connecting the included earphones.
4. Maintenance
4.1. Cleaning
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as they may damage the surface or internal components. Keep the device free from dust and moisture.
4.2. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Recharge the device when the battery indicator is low. If storing the device for an extended period, charge it to approximately 50% every few months.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Battery is discharged. | Charge the device using the USB cable. |
| Poor FM reception. | Weak signal; antenna not extended. | Extend the hand strap fully. Try moving to a location with better signal. |
| Bluetooth pairing fails. | Device not in pairing mode; "WALKIE" not found. | Ensure the device is in Bluetooth mode (flashing icon). Restart Bluetooth on your phone and try again. |
| Voice recording not working. | No TF card inserted or card is full. | Insert a TF card. Check if the TF card has sufficient free space. |
| Alarm does not sound. | Alarm not activated or volume too low. | Verify alarm settings and ensure the alarm icon is displayed. Increase volume. |
| USB/TF card not playing. | Incorrect mode selected; unsupported file format. | Press the MODE key to select USB/TF mode. Ensure audio files are in a compatible format (e.g., MP3). |
6. Product Specifications
- Brand: PAGARIA
- Model: L837BT-WALKIE
- Display Type: LCD
- Special Feature: Portable
- Product Dimensions: 11W x 5.9H Centimeters
- Item Weight: 150 Grams
- Power Source: Battery Powered (Rechargeable)
- Connectivity Technology: Bluetooth V5.0
- Tuner Technology: FM
- Speakers Maximum Output Power: 3 Watts
- USB Ports: 1
- TF Card Support: Up to 32 GB
- Battery Playback: Up to 6 Hours
- Included Components: Radio, USB Cable, Earphone, User Manual
7. Warranty and Support
7.1. Warranty Information
The Pagaria WALKIE L837BT comes with a 1 Year Warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your purchase receipt as proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
7.2. Customer Support
For any technical assistance, troubleshooting, or warranty inquiries, please contact Melody Electronics, the manufacturer, directly:
- Manufacturer: MELODY ELECTRONICS, Bangalore
- Website: www.melodymedia.in
- Contact Number: 6363772699 (Customer Care: 080-23492250)
When contacting support, please have your product model number (L837BT-WALKIE) and purchase details ready.