1. Uvod
This manual provides detailed instructions for the installation, operation, and maintenance of your Dpofirs 5.1CH HDMI Audio Extractor and Digital Sound Decoder. Please read this manual thoroughly before use to ensure proper functionality and to prevent damage to the device.
2. Varnostni ukrepi
- Naprave ne izpostavljajte vlagi, dežju ali ekstremnim temperaturam.
- Naprave ne postavljajte v bližino virov toplote ali na neposredno sončno svetlobo.
- Uporabljajte samo priloženi napajalnik.
- Naprave ne poskušajte odpirati ali popravljati sami. Vsa servisna dela prepustite usposobljenemu osebju.
- Zagotovite ustrezno prezračevanje okoli naprave.
3. Vsebina paketa
Po razpakiranju preverite vsebino paketa. Če kateri koli predmet manjka ali je poškodovan, se obrnite na prodajalca.
- 1 x Sound Decoder Unit
- 1 x daljinski upravljalnik
- 1 x Optical Sound Cable
- 1 x antena
- 1 x napajalnik
- 1 x Coaxial Sound Cable
- 1 x USB kabel
- 1 x Navodila za uporabo

Slika 3.1: Vsebina embalaže izdelka.
4. Izdelek je končanview
The Dpofirs 5.1CH HDMI Audio Extractor and Digital Sound Decoder is designed to convert various digital audio signals into 5.1 independent analog output channels. It supports multiple input sources and audio formats, providing a versatile solution for home theater and gaming audio setups.
4.1 Kontrole in indikatorji na sprednji plošči

Image 4.1: Front panel layout with controls and indicators.
- Gumb za vklop: Turns the device on/off and adjusts volume.
- USB2.0 Input Port: Za priklop USB ključkov.
- Infrared Receiving Port: Za signale daljinskega upravljalnika.
- Indikatorji vnosa: LEDs for ARC, Coaxial, Optical, PC-USB, USB modes.
- 5.1 Mode Indicator: Lights up when 5.1CH output is active.
- Zmanjšanje glasnosti/Prejšnja pesem: Zmanjša glasnost ali preskoči na prejšnjo skladbo.
- Povečanje glasnosti/naslednja pesem: Poveča glasnost ali preskoči na naslednjo skladbo.
- Input Source Switch Button/Standby Button: Cycles through input sources or puts the device in standby.
4.2 Priključki na zadnji plošči

Image 4.2: Rear panel layout with input and output ports.
- DC 7-40V Power Inlet: Povezuje se z napajalnikom.
- 5.1CH Analog Outputs (FL, FR, SL, SR, CEN, SW): Connect to a 5.1 channel amplifier ali aktivni zvočniki.
- Koaksialni vhod: Za digitalne koaksialne avdio vire.
- Optični vhod: Za digitalne optične avdio vire.
- Vhod za računalnik-USB: Connects to a computer for audio input.
- HDMI Input (ARC): For HDMI audio input with Audio Return Channel support.
- Antenski priključek: For Bluetooth antenna connection.
5. Nastavitev
Follow these steps to connect your Dpofirs 5.1CH HDMI Audio Extractor to your audio system.
5.1 Shema povezave

Image 5.1: General connection diagram for the audio extractor.
5.2 Connecting to a 5.1 Amplifier (Old Amplifier Connection Method)
- Connect the 5.1CH analog outputs (FL, FR, SL, SR, CEN, SW) from the decoder to the corresponding 5.1CH analog inputs on your amplifier using 6 RCA to RCA cables.
- Ensure each channel (Front Left, Front Right, Surround Left, Surround Right, Center, Subwoofer) is correctly matched.

Image 5.2: Connecting to a 5.1 channel amplifier.
5.3 Connecting to 5.1 Active Speakers
- Connect the 5.1CH analog outputs from the decoder to your 5.1 active speakers using appropriate 3.5mm to RCA cables (typically 3 cables for 6 channels).
- Match the FL/FR, SL/SR, and C/SW outputs to the corresponding inputs on your active speaker system.

Image 5.3: Connecting to 5.1 active speakers.
5.4 Napajalni priključek
- Connect the provided power adapter to the DC 7-40V power inlet on the rear panel of the decoder.
- Priključite napajalnik v ustrezno vtičnico.
6. Navodila za uporabo
This section details how to use the Dpofirs 5.1CH HDMI Audio Extractor with various input sources.
6.1 Splošno delovanje
- Turn on the decoder by rotating the Power Knob on the front panel.
- Use the Input Source Switch Button on the front panel or the remote control to select the desired input source (HDMI, Optical, Coaxial, PC-USB, USB). The corresponding indicator LED will light up.
- Adjust the volume using the Volume Up/Down buttons on the front panel or the remote control.
6.2 Predvajanje z USB-ključka
- For first-time use, it is recommended to format your USB flash drive.
- Insert the USB flash drive into the USB2.0 input port on the front panel.
- Switch to the corresponding USB input mode via the knob button or remote control. The USB indicator will light up.
- Use the Previous/Next Song buttons on the front panel or remote to navigate tracks.

Image 6.1: USB flash drive connection and operation.
6.3 PC USB Audio Input
- Connect any USB port of your computer to the PC-USB port on the rear panel of the decoder using the provided USB cable. The built-in USB sound card may require driver installation on your computer.
- On your computer, select the decoder as the sound card output device.
- Switch the decoder to the PC-USB input mode via the knob button or remote control. The PC-USB indicator will light up.

Image 6.2: PC USB audio connection and operation.
6.4 Sound Output Modes
- The decoder automatically detects and identifies the input digital sound signal format.
- If the source is 5.1CH, it performs hard decoding (real 5.1 output).
- If the source is 2.0CH or 2.1CH, it performs soft decoding (virtual 5.1 output).
- Supports both 2.0CH and 5.1CH output modes. In 2.0CH mode, only FL (Front Left) and FR (Front Right) outputs are active.
7. Vzdrževanje
- Napravo očistite z mehko, suho krpo. Ne uporabljajte tekočih ali aerosolnih čistil.
- Napravo hranite brez prahu in umazanije.
- Napravo shranjujte na hladnem in suhem mestu, ko je dalj časa ne uporabljate.
8. Odpravljanje težav
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Brez moči | Napajalnik ni priključen ali je pokvarjen. | Ensure the power adapter is securely connected and plugged into a working outlet. Test with another adapter if available. |
| Ni zvočnega izhoda | Incorrect input source selected; cables loose or faulty; amplifier/speakers off or muted; incorrect audio format. | Verify the correct input source is selected. Check all cable connections. Ensure your amplifier/speakers are powered on and not muted. Confirm the input audio format is supported. |
| No 5.1 surround sound | Input source is 2.0CH; amplifier/speakers not configured for 5.1CH; incorrect connections. | Ensure your audio source is providing a 5.1CH signal. Verify your amplifier/active speakers have 5.1 input ports and are correctly configured. Double-check all 6 analog output connections. |
| Daljinski upravljalnik ne deluje | Batteries low or incorrectly inserted; obstruction between remote and device. | Replace remote control batteries (2 AAA alkaline batteries). Ensure there is a clear line of sight to the infrared receiving port. |
9. Specifikacije
| Funkcija | Podrobnost |
|---|---|
| Model | RH 688X |
| Material | Kovina |
| Podpora za različico HDMI | HDMI 2.0b (združljiv s HDMI 1.4) |
| HDCP Version Support | HDCP 2.3 (compatible with HDCP 2.2, HDCP 1.4) |
| HDMI Resolution Support | 4Kx2K, 1080p, 1080i, 720p, 576p, 576i, 480p, 480i at 24/50/60fs |
| HDMI Max Data Rate | 6 Gbps |
| Podprti zvočni formati | DTS, DTS ES, AC3, FLAC, APE, WAV, HDCD, AAC, WMV, MP3, M4A, etc. |
| Sampobrestna mera | 24-bitna 192KHz |
| 5.1 Analogni izhod | ≥ 2V RMS (1KHz at 0dB) |
| Razmerje med signalom in hrupom | ≥90dB |
| Izkrivljanje | ≤0.03 % |
| Frekvenčni odziv | 20Hz ~ 20KHz |
| Bluetooth sprejemna razdalja | ≤15m / 49.2 feet |
| Baterija za daljinski upravljalnik | 2 x AAA alkalne baterije (naprodaj ločeno) |
| barva | Črna |
| Pristanišča | 7 (HDMI, USB, Optical, Coaxial, 5.1 Analog Out) |
10. Garancija in podpora
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Dpofirs webspletnega mesta. Shranite dokazilo o nakupu za uveljavljanje garancije.