1. Uvod
This manual provides detailed instructions for the setup, operation, and maintenance of your Koss HG857 Portable CD System. The HG857 is a versatile audio system featuring a CD player, digital AM/FM tuner, and dual cassette decks, designed for both portable use and as a compact stereo system. Please read this manual thoroughly before using your unit to ensure proper operation and to maximize its performance.
Slika 1: Prednja strana view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. Podešavanje
2.1 Raspakivanje
Carefully remove all components from the packaging. Ensure you have the main unit, two detachable speakers, the remote control, and this instruction manual. Retain the packaging for future transport or storage.
2.2 Povezivanje zvučnika
The Koss HG857 features detachable speakers. Connect the speaker wires from each speaker to the corresponding speaker terminals on the rear of the main unit. Ensure correct polarity (red to red, black to black) for optimal sound.
Slika 2: Pozadi view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 Napajanje uređaja
AC Power
Connect the AC power cord to the AC inlet on the rear of the unit and then plug it into a standard AC 120V, 60Hz wall outlet.
Snaga baterije
For portable use, the unit requires 8 D-size batteries. Open the battery compartment on the bottom of the unit and insert the batteries, observing the correct polarity (+/-) as indicated.
Slika 3: Detaljno view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 Podešavanje antene
For FM reception, extend the telescopic antenna fully. For AM reception, the unit uses a built-in ferrite bar antenna; rotate the unit for best reception.
3. Operacija
3.1 Osnovne kontrole
- Dugme POWER: Pritisnite da uključite ili isključite jedinicu.
- VOLUME kontrola: Rotate to adjust the overall sound level.
- BALANCE kontrola: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 Rad CD plejera
- Otvorite poklopac pretinca za CD.
- Stavite CD sa stranom s etiketom okrenutom prema gore.
- Zatvorite poklopac pretinca za CD.
- Pritisnite CD/AUX dugme za odabir CD moda.
- Pritisnite PLAY/PAUSE dugme za početak reprodukcije.
- Koristi SKIP / TRAŽI buttons to navigate tracks or fast forward/rewind.
- PROGRAM: Allows programming up to 20 tracks in a desired order.
3.3 Rad radio tjunera
- Pritisnite TUNER button to select AM or FM band.
- Koristite TUNING dugmad za ručno podešavanje stanice.
- Pritisnite i držite TUNING dugmad za automatsko pretraživanje stanica.
- PRESET: Store and recall up to 20 AM/FM stations.
3.4 Rad kasetofona
The unit features dual cassette decks (Deck A and Deck B).
Reprodukcija
- Open the cassette door and insert a cassette tape.
- Pritisnite TRAKA button to select tape mode.
- Pritisnite IGRAJ on either Deck A or Deck B to start playback.
- Koristi REWIND, FAST FORWARD, i STOP/EJECT dugmad po potrebi.
Snimanje
You can record from CD, Radio, or Tape A to Tape B.
- Umetnite praznu kasetu na koju se može snimati u uređaj B.
- Select the desired source (CD, TUNER, or TAPE A).
- Pritisnite RECORD button on Deck B. Playback from the source will begin automatically.
- Pritisnite STOP on Deck B to end recording.
3.5 Daljinski upravljač
The included remote control allows convenient operation of most functions from a distance. Ensure the remote has working batteries and is pointed towards the main unit's sensor.
Figure 4: The multi-function remote control for the Koss HG857, showing various buttons for CD, tuner, and tape operations.
3.6 Utičnica za slušalice
A stereo headphone jack is provided for private listening. Plugging in headphones will mute the speakers.
4. Održavanje
4.1 Čišćenje
Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents. For the CD lens, use a specialized CD lens cleaner.
4.2 Zamjena baterije
If using battery power, replace all 8 D-size batteries when the unit's performance degrades. Ensure proper polarity.
4.3 CD and Cassette Care
- CD-ove držite za rubove kako biste izbjegli otiske prstiju i ogrebotine.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Nema struje | Kabl za naizmjeničnu struju nije priključen; Baterije su prazne ili nepravilno umetnute. | Check AC connection; Replace batteries, ensuring correct polarity. |
| Nema zvuka | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| CD preskače ili se ne reproducira | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| Loš radio prijem | Antena nije ispružena/pozicionirana; Slab signal. | Extend and adjust FM antenna; Rotate unit for AM; Try a different location. |
| Cassette playback issues | Tape tangled or damaged; Heads dirty. | Check tape condition; Clean cassette heads. |
| Daljinski upravljač ne radi | Baterije su prazne ili nepravilno umetnute; Prepreka između daljinskog upravljača i uređaja. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. Specifikacije
- Model: HG857
- Izvor napajanja: AC 120V, 60Hz; 8 x D-size batteries
- CD plejer: Top-loading, 20-track programmable
- Radio tjuner: Digital AM/FM, 20 station presets
- Cassette Decks: Dual cassette, recordable
- Zvučnici: Detachable 3-way speakers with Dynamic Bass Boost
- Povezivanje: Stereo priključak za slušalice
- Dimenzije (cca): 27.8 x 12.5 x 11.6 inča (dimenzije pakovanja)
- Težina (približno): 16.7 funte (težina predmeta)
- Proizvođač: Koss Audio & Video
- Prvo dostupno: 4. septembra 1999
7. Jamstvo i podrška
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss webSačuvajte račun kao dokaz o kupovini.
Koss Official Webstranica: www.koss.com