WIITHINK WTB-777

WIITHINK WTB-777 Portable Cassette Player and Recorder User Manual

Model: WTB-777

Your comprehensive guide to operating and maintaining your WIITHINK Cassette Player and Recorder.

Introduction

Thank you for purchasing the WIITHINK WTB-777 Portable Cassette Player and Recorder. This versatile device combines the classic charm of a cassette player and recorder with modern features such as Bluetooth connectivity, USB playback, and AM/FM radio. Designed for ease of use and portability, it allows you to enjoy your favorite audio content wherever you go. Please read this manual thoroughly before operating the device to ensure proper use and to maximize its lifespan.

WIITHINK WTB-777 Portable Cassette Player and Recorder in white, with the cassette door open and antenna extended.

Figure 1: WIITHINK WTB-777 Portable Cassette Player and Recorder

Product Overview

The WIITHINK WTB-777 is an all-in-one audio solution, offering multiple playback and recording options. Its compact design and dual power capabilities make it ideal for both home and portable use.

Image showing the WIITHINK WTB-777 with a list of its features: Cassette Player, Cassette Recorder, USB Player, AM/FM Radio, Bluetooth, Headphone Jack, AC/DC Supply.

Figure 2: Key Features of the WTB-777

What's in the Box

Upon unpacking, please ensure all items listed below are present and in good condition:

Setup

Powering the Device

The WIITHINK WTB-777 can be powered by either AC power or batteries.

Note: When using AC power, batteries are automatically disconnected. Remove batteries if the unit will not be used for an extended period to prevent leakage.

Operating Instructions

Familiarize yourself with the control panel before operation. Refer to Figure 3 for a detailed diagram of the controls.

Diagram of the WIITHINK WTB-777 controls with numbered labels for each button and port.

Figure 3: Control Panel Diagram

  • 1, 2, 3: Mode/Playback Control Buttons (USB/Bluetooth Play/Pause, Previous, Next)
  • 4: Volume Knob
  • 5: Function Switch (Cassette/USB/Bluetooth/FM/AM/Off)
  • 6: Built-in Microphone
  • 7: Radio Antenna
  • 8: Portable Handle
  • 9: Pause (Cassette)
  • 10: Stop/Open (Cassette)
  • 11: Fast Forward (Cassette)
  • 12: Fast Rewind (Cassette)
  • 13: Play (Cassette)
  • 14: Record (Cassette)
  • 15: Tuning Knob
  • 16: USB Port
  • 17: 3.5mm Jack (Earphone/Aux-in)

Cassette Player Operation

  1. Set the Function Switch (5) to "TAPE".
  2. Press the Stop/Open button (10) to open the cassette compartment door.
  3. Insert a cassette tape with the open edge facing upwards. Close the compartment door firmly.
  4. Press the Play button (13) to begin playback.
  5. Adjust the Volume Knob (4) to your desired listening level.
  6. To pause playback, press the Pause button (9). Press again to resume.
  7. To fast forward, press the Fast Forward button (11). To fast rewind, press the Fast Rewind button (12). Press Play (13) or Stop/Open (10) to stop winding.
  8. To stop playback and eject the tape, press the Stop/Open button (10).
A person inserting a cassette tape into the WIITHINK WTB-777 cassette player.

Figure 4: Inserting a Cassette Tape

AM/FM Radio Operation

  1. Set the Function Switch (5) to "FM" or "AM".
  2. Extend the telescopic antenna (7) for optimal FM reception. For AM reception, rotate the unit for best signal.
  3. Rotate the Tuning Knob (15) to select your desired radio station.
  4. Adjust the Volume Knob (4) to your desired listening level.
An older couple listening to the WIITHINK WTB-777 radio, highlighting its AM/FM capabilities.

Figure 5: Enjoying AM/FM Radio

Bluetooth Streaming

  1. Set the Function Switch (5) to "BT" (Bluetooth). The unit will enter pairing mode, indicated by an audible prompt.
  2. On your Bluetooth-enabled device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
  3. Select "WTB-777" from the list of devices to pair. Once paired, you will hear a confirmation sound.
  4. Begin playing audio on your connected device. The sound will be streamed wirelessly to the WTB-777.
  5. Use the Volume Knob (4) on the unit or the volume controls on your connected device to adjust the volume.
  6. Use buttons (1, 2, 3) to control playback (Play/Pause, Previous/Next track) directly from the unit.
A smartphone displaying a music app with Bluetooth waves connecting to the WIITHINK WTB-777.

Figure 6: Bluetooth Connectivity

USB Playback

  1. Set the Function Switch (5) to "USB".
  2. Insert a USB flash drive containing MP3 audio files into the USB Port (16).
  3. The unit will automatically begin playing the audio files from the USB drive.
  4. Use buttons (1, 2, 3) to control playback (Play/Pause, Previous/Next track).
  5. Adjust the Volume Knob (4) to your desired listening level.
A woman listening to the WIITHINK WTB-777 with headphones, showing the USB port and earphone jack.

Figure 7: USB Playback and Earphone Jack

Recording to Cassette

The WTB-777 allows you to record audio from the radio onto a blank cassette tape.

  1. Insert a blank cassette tape into the cassette compartment (refer to Cassette Player Operation).
  2. Set the Function Switch (5) to "FM" or "AM" and tune to your desired radio station.
  3. Press the Record button (14) and the Play button (13) simultaneously to begin recording. The unit will automatically start recording the radio broadcast onto the tape.
  4. To stop recording, press the Stop/Open button (10).

Note: The built-in microphone (6) can also be used for voice recording directly to tape when the function switch is set to "TAPE" and the Record button (14) is pressed.

Maintenance

Troubleshooting

If you experience issues with your WIITHINK WTB-777, please consult the following table before seeking professional service.

ProblemPossible CauseSolution
Unit does not power on.
  • Power cord not securely connected.
  • Batteries are dead or inserted incorrectly.
  • Function switch is in "Off" position.
  • Ensure power cord is firmly plugged into the unit and wall outlet.
  • Replace batteries or check polarity.
  • Set function switch to desired mode (TAPE, FM, AM, USB, BT).
No sound from speaker.
  • Volume is too low.
  • Headphones are plugged in.
  • Incorrect function mode selected.
  • Increase volume using the Volume Knob.
  • Unplug headphones from the 3.5mm Jack.
  • Ensure the function switch is set to the correct source (TAPE, FM, AM, USB, BT).
Cassette tape does not play or sounds distorted.
  • Tape is damaged or tangled.
  • Cassette head is dirty.
  • Tape not inserted correctly.
  • Try a different tape.
  • Clean the cassette head and pinch roller.
  • Re-insert the tape, ensuring it is seated properly.
Poor radio reception.
  • Antenna not extended (FM).
  • Unit position (AM).
  • Weak signal in the area.
  • Fully extend the telescopic antenna for FM.
  • Rotate the unit for better AM reception.
  • Try moving the unit to a different location.
Bluetooth device won't pair.
  • WTB-777 not in pairing mode.
  • Device too far from the unit.
  • Bluetooth on device is off.
  • Set function switch to "BT".
  • Ensure device is within 10 meters (33 feet) of the unit.
  • Enable Bluetooth on your device.

Specifications

Detailed technical specifications for the WIITHINK WTB-777.

BrandWIITHINK
ModelWTB-777
Product Dimensions (L x W x H)9.8 x 3 x 5.1 inches (24.9 x 7.6 x 13 cm)
Item Weight2.75 pounds (1.25 kg)
ColorWhite
Connectivity TechnologyBluetooth, Built-in Microphone, Earphone Jack, USB
Speaker TypePortable
AM Frequency Range520 - 1710 kHz
FM Frequency Range87 - 108 MHz
Power SourceAC (Power Cord included), 4 x 'C' Batteries (not included)
Image showing the dimensions of the WIITHINK WTB-777: 9.8 inches length, 3 inches width, 5.1 inches height.

Figure 8: Product Dimensions

Warranty and Support

Specific warranty information for the WIITHINK WTB-777 is typically provided with the product packaging or on the manufacturer's official website. Please refer to the documentation included with your purchase for detailed warranty terms and conditions.

For technical support, troubleshooting assistance beyond this manual, or inquiries regarding parts and service, please contact WIITHINK customer support through their official channels. Contact information can usually be found on the product packaging, the manufacturer's website, or the retailer's product page.

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