1. Inleiding
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.
Figuur 1: Voorkant view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. Opstelling
2.1 Uitpak
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 Koppel luidsprekers
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.
Figuur 2: Agter view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 Aandryf van die Eenheid
AC krag
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.
Batterykrag
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.
Figuur 3: Gedetailleerd view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 Antenna-opstelling
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. Operasie
3.1 Basiese kontroles
- Kragknoppie: Druk om die eenheid AAN of AF te skakel.
- VOLUME-beheer: Rotate to adjust the overall sound level.
- BALANS beheer: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 CD-speler werking
- Maak die deksel van die CD-kompartement oop.
- Plaas 'n CD met die etiketkant na bo.
- Maak die deksel van die CD-kompartement toe.
- Druk die CD / AUX knoppie om CD-modus te kies.
- Druk die SPEEL/POUSEER knoppie om die afspeel te begin.
- Gebruik SKIP / SOEK buttons to navigate tracks or fast forward/rewind.
- DIE PROGRAM: Allows programming up to 20 tracks in a desired order.
3.3 Radio Tuner Operation
- Druk die Ontvanger button to select AM or FM band.
- Gebruik die STEM knoppies om handmatig na 'n stasie in te skakel.
- Druk en hou STEM knoppies vir outomatiese stasiesoektog.
- VOORAFSTELLING: Store and recall up to 20 AM/FM stations.
3.4 Kassettedek-werking
The unit features dual cassette decks (Deck A and Deck B).
Afspeel
- Maak die kassetklep oop en plaas 'n kassetband in.
- Druk die TAPE button to select tape mode.
- Druk SPEEL on either Deck A or Deck B to start playback.
- Gebruik SPOEL TERUG, SPOORT VORENTOE, en STOP/UIT UIT knoppies soos benodig.
Opname
You can record from CD, Radio, or Tape A to Tape B.
- Insert a blank, recordable cassette into Deck B.
- Select the desired source (CD, TUNER, or TAPE A).
- Druk die REKORD button on Deck B. Playback from the source will begin automatically.
- Druk STOP on Deck B to end recording.
3.5 afstandbeheer
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. Onderhoud
4.1 Skoonmaak
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 Batteryvervanging
If using battery power, replace all 8 D-size batteries when the unit's performance degrades. Ensure proper polarity.
4.3 CD- en kassetversorging
- Hanteer CD's aan hul kante om vingerafdrukke en skrape te vermy.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. Probleemoplossing
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Geen krag nie | AC cord not plugged in; Batteries depleted or incorrectly inserted. | Check AC connection; Replace batteries, ensuring correct polarity. |
| Geen klank nie | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| CD spring oor of speel nie | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| Swak radio-ontvangs | Antenna nie uitgebrei/geposisioneer nie; Swak sein. | Extend and adjust FM antenna; Rotate unit for AM; Try a different location. |
| Probleme met kassetweergawe | Tape tangled or damaged; Heads dirty. | Check tape condition; Clean cassette heads. |
| Afstandbeheer werk nie | Batteries depleted or incorrectly inserted; Obstruction between remote and unit. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. Spesifikasies
- Model: HG857
- Kragbron: AC 120V, 60Hz; 8 x D-size batteries
- CD-speler: Top-loading, 20-track programmable
- Radio-ontvanger: Digital AM/FM, 20 station presets
- Cassette Decks: Dual cassette, recordable
- Luidsprekers: Detachable 3-way speakers with Dynamic Bass Boost
- Verbinding: Stereo-koptelefoonaansluiting
- Afmetings (ongeveer): 27.8 x 12.5 x 11.6 duim (Pakketafmetings)
- Gewig (ongeveer): 16.7 pond (item gewig)
- Vervaardiger: Koss Audio & Video
- Eerste beskikbaar: 4 September 1999
7. Waarborg en ondersteuning
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss webwebwerf. Bewaar u aankoopbewys as bewys van aankoop.
Koss Official Webwebwerf: www.koss.com