1. Ynlieding
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.
figuer 1: Front view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. Opsette
2.1 Útpakke
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 Ferbine sprekkers
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.
figuer 2: Rear view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 It apparaat oandriuwe
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.
Batterij Power
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.
figuer 3: Detailed view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 Antenne opset
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. Operaasje
3.1 Basis kontrôles
- POWER knop: Druk op om de ienheid ON of OFF te skeakeljen.
- FOLUME kontrôle: Rotate to adjust the overall sound level.
- BALANS kontrôle: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 CD-spiler wurking
- Iepenje it deksel fan it cd-fak.
- Plak in CD mei de labelkant nei boppen.
- Slút it deksel fan it CD-fak.
- Druk op de CD/AUX knop om CD-modus te selektearjen.
- Druk op de PLAY / PAUZE knop om it ôfspieljen te begjinnen.
- Gebrûk SKIP / SJOCHT buttons to navigate tracks or fast forward/rewind.
- PROGRAMMA: Allows programming up to 20 tracks in a desired order.
3.3 Radiotuner-operaasje
- Druk op de TUNER button to select AM or FM band.
- Brûk de TUNING knoppen om mei de hân ôf te stimmen op in stasjon.
- Druk en hâld TUNING knoppen foar automatysk stasjonssykjen.
- PRESET: Store and recall up to 20 AM/FM stations.
3.4 Bediening fan it kassettedek
The unit features dual cassette decks (Deck A and Deck B).
Wiedergabe
- Open the cassette door and insert a cassette tape.
- Druk op de BÂN button to select tape mode.
- Parse TOANIELSTIK on either Deck A or Deck B to start playback.
- Gebrûk REWINDE, FAST FORWARD, en STOPJE / ÚTJE knoppen as nedich.
Opname
You can record from CD, Radio, or Tape A to Tape B.
- Doch in lege, opnimbere cassette yn Deck B.
- Select the desired source (CD, TUNER, or TAPE A).
- Druk op de OPNIMME button on Deck B. Playback from the source will begin automatically.
- Parse OPHÂLDE on Deck B to end recording.
3.5 Fernbediening
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 Koptelefoonaansluiting
A stereo headphone jack is provided for private listening. Plugging in headphones will mute the speakers.
4. Underhâld
4.1 Cleaning
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 Batterijferfanging
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
- Behannelje cd's oan 'e rânen om fingerôfdrukken en krassen te foarkommen.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. Probleemoplossing
| Probleem | Mooglike oarsaak | Oplossing |
|---|---|---|
| Gjin macht | Netsnoer net ynstutsen; Batterijen leech of ferkeard ynfoege. | Check AC connection; Replace batteries, ensuring correct polarity. |
| Gjin lûd | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| CD springt oer of spilet net ôf | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| Min radio-ûntfangst | Antenne net útlutsen/posysjonearre; Swak sinjaal. | Extend and adjust FM antenna; Rotate unit for AM; Try a different location. |
| Problemen mei it ôfspyljen fan kassettes | Tape tangled or damaged; Heads dirty. | Kontrolearje de tastân fan 'e tape; Meitsje de kassettekoppen skjin. |
| Remote control wurket net | Batteries depleted or incorrectly inserted; Obstruction between remote and unit. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. Spesifikaasjes
- Model: HG857
- Power Boarne: AC 120V, 60Hz; 8 x D-size batteries
- Cd-spiler: Top-loading, 20-track programmable
- Radio Tuner: Digital AM/FM, 20 station presets
- Kassettedecks: Dual cassette, recordable
- Sprekkers: Detachable 3-way speakers with Dynamic Bass Boost
- Konnektivität: Stereo-koptelefoanstop
- Ofmjittings (sawat): 27.8 x 12.5 x 11.6 inch (ôfmjittings fan pakket)
- Gewicht (ca.): 16.7 pûn (Item Gewicht)
- Fabrikant: Koss Audio & Video
- Earst beskikber: 4 septimber 1999
7. Garânsje & Support
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss webside. Bewarje jo oankeapbewiis as bewiis fan oankeap.
Koss Offisjeel Website: www.koss.com