1. Product Overview
The BQCC K-701D is a versatile 1 DIN car MP3 player designed to enhance your in-car audio experience. It features FM/DAB radio, Bluetooth connectivity for calls and music streaming, USB and TF card playback, and an AUX input. The unit also includes a 'Locate and Find Car' function and customizable 7-color button lighting.
Figure 1.1: Front view of the BQCC K-701D Car MP3 Player, highlighting Smart BT, FM radio, Fast charging, TF card, Dual USB, 7 Color Light, Wiring Protection, and 'Locate and find the car' features. Includes '1 Year Warranty' and '+DAB' labels.
Figure 1.2: Diagram illustrating the core functions of the K-701D: Locate and find a car, AUX/TF Card/U Disk Play, DAB digital broadcasting, BT connection, 2.5D Screen full touch button, LCD dot matrix display, Subwoofer audio output, and Colorful button lights.
2. Setup and Installation
2.1 Safety Warnings
- The unit operates on a 12 V DC power supply with negative ground.
- Always disconnect the battery's negative terminal before wiring or mounting.
- Do not connect the Battery wire (yellow) and Ignition wire (red) to the car chassis or Ground wire (black) to prevent short circuits.
- Insulate all unconnected wires with vinyl tape.
- Ensure the unit is properly grounded to the car's chassis after installation.
- For safety, it is recommended to have wiring and mounting performed by professionals. Consult a car audio dealer.
- Install this unit in the console of your vehicle. Avoid touching metal parts of the unit during and shortly after use, as they can become hot.
- Do not connect speaker wires to the car chassis or Ground wire (black), or connect them in parallel.
- Connect speakers with a maximum power of more than 25 W. If speaker power is lower than 25W, consider changing speakers.
- Mount the unit at an angle of less than 30°.
- If your vehicle's wiring harness lacks an ignition terminal, connect the Ignition wire (red) to a 12V DC switched terminal in the vehicle's fuse box.
- Keep all cables away from heat-dissipating metal parts.
2.2 Wiring Instructions
Refer to the detailed wiring diagram in the official PDF user manual for precise connections. Below is a summary of the main connections:
- Power Connections:
- Yellow wire: Battery (Constant +12V)
- Red wire: ACC (Ignition Switch +12V)
- Black wire: GND (Ground wire B-)
- Speaker Connections:
- White / White/black striped: Front Speaker Left (+/-)
- Gray / Gray/black striped: Front Speaker Right (+/-)
- Green / Green/black striped: Rear Speaker Left (+/-)
- Purple / Purple/black striped: Rear Speaker Right (+/-)
- Antenna:
- Blue wire: ANT (Radio Antenna power)
- Radio Antenna input: Connect your car's radio antenna.
- Audio Output: RCA L/R outputs for connecting to an external amplifier.
- Fuse: The unit uses a 15A fuse.
2.3 In-Dash Mounting
- Separate the iron frame from the main unit.
- Insert the iron frame into the car radio installation window.
- Fix the iron frame securely to the car with a screwdriver.
- Press the main unit into the iron frame until it snaps into place.
Figure 2.1: The BQCC K-701D Car MP3 Player installed in a car dashboard, showing the typical in-dash mounting effect.
3. Operating Instructions
3.1 Power ON/OFF
- When the unit is OFF, press the /MOD button to power ON.
- When the unit is ON, press and hold the /MOD button to power OFF.
3.2 Setting the Clock
- Press and hold CLK. The hour number will flash. Rotate the volume knob to adjust the hour, then press the knob to confirm.
- The minute number will flash. Rotate the volume knob to adjust the minutes, then press the knob to confirm.
- When DAB is active, the clock time will automatically set using the DAB signal.
3.3 Function Keys Description
| Key | Function |
|---|---|
| POWER | Short press to turn on, long press (3 seconds) to turn off. |
| MOD | Cycles through functions: RADIO - DAB - BT - USB - SD - AUX IN. In Bluetooth mode, short press to end call. |
| VOL/SEL | Rotate to control volume. Press briefly to select functions: BASS - TREBLE - BALANCE - FADER - EQ (DSP-CLASSIC-POP-ROCK-EQ OFF) - LOUD (on/off) - AUTO (colorful switch: White-purple-cyan-blue-yellow-red-green-auto) - STEREO (mono). |
| CLK | Short press for CLK display. Long press to set hours/minutes (rotate knob, confirm with CLK or VOL). |
| ◀◀ / ▶▶ | Playback: Previous/Next song. Radio: Search radio stations backward/forward. |
| BAND | Radio mode: Press to browse stations. |
| AMS | Radio: Long press to auto-search/store stations. Playback: Short press AMS, rotate knob to choose song, long press AMS to confirm. |
| MUTE | Short press to answer call (Bluetooth). Press to mute/unmute sound. |
| 1/▶▶II | Radio: Short press to preset station No.1. Long press to store current frequency in No.1. Playback: Play/Pause. |
| 2/INT | Radio: Short press to preset station No.2. Long press to store current frequency in No.2. Playback: Short press to open INT (10s preview), press again to close. |
| 3/RPT | Radio: Short press to preset station No.3. Long press to store current frequency in No.3. Playback: Turn RPT on/off (repeat current song). |
| 4/RDM | Radio: Short press to preset station No.4. Long press to store current frequency in No.4. Playback: Turn RDM on/off (play songs randomly). |
| 5/-10 | Radio: Short press to preset station No.5. Long press to store current frequency in No.5. Playback: Play first 10 songs, long press for previous folder. |
| 6/+10 | Radio: Short press to preset station No.6. Long press to store current frequency in No.6. Playback: Play next 10 songs, long press for next folder. |
| TF CARD | Insert TF card to play music automatically. |
| USB (Charging) | Plug in data cable to charge mobile devices (5V/1A). |
| USB (Playback) | Insert USB device to play music automatically. |
| RESET | Press to restore factory settings. |
| AUX IN | Insert portable player into jack; audio plays through car speakers. |
| MIC | Microphone pickup hole. |
3.4 FM Radio Operation
- Scan FM Stations: Press and hold BAND to search all FM stations. Use ◀◀/▶▶ to search previous/next. Press and hold ◀◀/▶▶ to enter manual search (0.05MHz step).
- Set Preset FM Stations: Stations are automatically stored to 1-6 addresses (3 bands, 18 total). To store a non-preset station, press and hold 1-6.
- Recall Preset Stations: In FM mode, press BAND to select F1/F2/F3 bands, then press 1-6 to select stored presets.
- Full Scan or Strong Signal Scan: Press VOL/SEL to select FM scan mode ([FM FULL] for all stations or [FM STR] for strong signals).
3.5 DAB Radio Operation
Figure 3.1: Image detailing DAB digital broadcasting, showing the player, a DAB antenna, and standard SMA connectors for connection.
- Scan DAB Stations: In DAB mode, press and hold BAND to search. Screen displays