H-CMD4023 - Car radio HYUNDAI - Free user manual and instructions
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| Product Type | Car Radio with CD/MP3/USB/SD Player |
| Brand | Hyundai |
| Model | H-CMD4023 |
| Mounting Size | 1 DIN (178 x 50 mm) |
| Power Supply | 12V DC (negative ground) |
| Max Output Power | 4 x 50 Watts |
| Tuner Bands | FM/MW (AM), with RDS |
| Media Playback | CD, CD-R/RW, MP3, USB drive, SD/MMC card |
| Bluetooth | Supported for hands-free calling and audio streaming |
| Display | LCD with multi-color backlight, detachable face |
| Audio Inputs | Front AUX 3.5mm jack, RCA line outputs |
| Audio Features | Bass, treble, balance, fader, EQ presets |
| Remote Control | Infrared remote control included |
| Connectors | ISO 10487 standard connector |
| Dimensions | 178 x 50 x 160 mm (7 x 2 x 6.3 inches) |
| Weight | 1.2 kg (approx.) |
| Safety Features | Detachable face panel with protective case |
| Maintenance | Clean with soft dry cloth, avoid solvents |
| Spare Parts | Replacement face panel, fuse (blade type), wiring harness |
| General Information | Repair by qualified technician recommended |
Frequently Asked Questions - H-CMD4023 HYUNDAI
How do I set the clock on the Hyundai H-CMD4023?
Press and hold the DISP button for about 3 seconds until the hour digits blink. Use the VOL knob or arrow keys to set hours, then press DISP again to switch to minutes. Adjust and press DISP to confirm, or the unit will save automatically.
Why does my USB flash drive not work with this car radio?
The USB port supports FAT16/FAT32 formatted drives and MP3/WMA files. If the drive is not recognized, check that it does not exceed the max capacity (typically 32GB), is not partitioned, and contains supported file formats. Also, some drives require less power or may need a short extension cable.
How can I pair my phone via Bluetooth?
Enable Bluetooth on your phone and search for devices. On the radio, press the BT button to activate pairing mode. Select 'HYUNDAI H-CMD4023' from your phone's list and enter PIN 0000 if prompted. Once paired, the radio will connect automatically in the future.
What should I do if the radio has no sound?
First check the volume level and mute status. Ensure the speaker wires are properly connected to the ISO connector, and the fader/balance settings are not set to an extreme. If sound is still absent, test with a known working source (e.g., USB) to rule out source issues.
How do I detach the front panel?
Press the REL (release) button located on the top of the panel, then tilt the panel away and lift it off. Store it in the provided protective case to prevent damage or theft.
Can I adjust the bass and treble settings?
Yes, press the SEL button repeatedly to cycle through BAS, TRE, BAL, and FAD. Use the VOL knob to adjust the selected setting. The built-in EQ preset can also be selected via the EQ button.
How do I reset the unit to factory defaults?
Locate the RST button at the front or bottom of the face panel. Use a thin pointed object (e.g., a pen tip) to press and hold the button for a few seconds. This clears all settings and restores default values.
What type of fuse does the H-CMD4023 use?
The unit typically uses a blade-type (ATO) fuse rated at 10A or 15A, depending on the vehicle. Always replace with the same rating to avoid electrical damage. Consult the manual's fuse diagram for exact location.
How do I store and retrieve radio stations?
While listening to a station, press and hold one of the preset buttons (1-6) until you hear a beep or see the number blink. To auto-scan and store, enable the AS (auto store) function via the BAND button.
Which cleaning products are safe for the front panel?
Use a soft, lint-free microfiber cloth slightly dampened with water. Avoid alcohol, ammonia, or abrasive cleaners as they can damage the anti-scratch coating and printed characters. Dry the panel before reattaching it.
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USER MANUAL H-CMD4023 HYUNDAI
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Product information
Brand : HYUNDAI
Model : H-CMD4023
Category : Car radio