1. Ro-ràdh
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.
Figear 1: Aghaidh view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. Suidhich
2.1 A’ dì-phapadh
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 A’ ceangal luchd-labhairt
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.
Figear 2: Cùl view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 Cumhachdachadh an Aonaid
Cumhachd AC
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.
Cumhachd Bataraidh
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.
Figear 3: Mionaideach view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 Suidheachadh antenna
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. Obrachadh
3.1 Smachdan Bunaiteach
- Putan CUMHACHD: Brùth gus an aonad a thionndadh AIR no OFF.
- Smachd VOLUME: Rothaich gus an ìre fuaim iomlan atharrachadh.
- Smachd BALANCE: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 Obrachadh Cluicheadair CD
- Fosgail còmhdach roinn an CD.
- Cuir CD ann leis an taobh leubail suas.
- Dùin mullach an roinn CD.
- Brùth an CD/AUX putan gus modh CD a thaghadh.
- Brùth an CLÀR/stad putan gus ath-chluich a thòiseachadh.
- Cleachd SKIP / SEARCH buttons to navigate tracks or fast forward/rewind.
- PRÒGRAM: Allows programming up to 20 tracks in a desired order.
3.3 Obrachadh Tiùnair Rèidio
- Brùth an TUNER button to select AM or FM band.
- Cleachd an TUNADH putanan gus stèisean a thaghadh le làimh.
- Brùth agus cum TUNADH buttons for automatic station search.
- PRESET: Store and recall up to 20 AM/FM stations.
3.4 Obrachadh Deic Cassette
The unit features dual cassette decks (Deck A and Deck B).
Ath-chluich
- Open the cassette door and insert a cassette tape.
- Brùth an TEIP- button to select tape mode.
- Brùth CLÀRADH on either Deck A or Deck B to start playback.
- Cleachd ATH-LEASACHADH, AIR AIS LUATH, agus STOP/TAISG putanan mar a dh’ fheumar.
Clàradh
You can record from CD, Radio, or Tape A to Tape B.
- Cuir caiséad bàn, a ghabhas clàradh, a-steach do Deic B.
- Select the desired source (CD, TUNER, or TAPE A).
- Brùth an CLÀR button on Deck B. Playback from the source will begin automatically.
- Brùth STOP on Deck B to end recording.
3.5 Smachd Iomallach
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 Seac cluais
A stereo headphone jack is provided for private listening. Plugging in headphones will mute the speakers.
4. Cumail suas
4.1 Glanadh
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 Ath-nuadhachadh bataraidh
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
- Làimhsich CDan air na h-oirean aca gus lorgan-meòir agus sgrìoban a sheachnadh.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. A ’dèanamh trioblaid
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Gun chumhachd | Càball AC gun a bhith air a phlugaigeadh a-steach; Bataraidhean air an leigeil ma sgaoil no air an cur a-steach gu ceàrr. | Check AC connection; Replace batteries, ensuring correct polarity. |
| Gun fhuaim | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| Bidh CD a’ leum no chan eil e a’ cluich | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| Fàilteachas rèidio truagh | Antenna gun a bhith air a leudachadh/air a shuidheachadh; Comharra lag. | 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. |
| Chan eil smachd iomallach ag obair | Bataraidhean air an leigeil ma sgaoil no air an cur a-steach gu ceàrr; Bacadh eadar an inneal iomallach agus an aonad. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. Sònrachaidhean
- Modail: HG857
- Stòr cumhachd: AC 120V, 60Hz; 8 x D-size batteries
- Cluicheadair CD: Top-loading, 20-track programmable
- Tuner Rèidio: Digital AM/FM, 20 station presets
- Cassette Decks: Dual cassette, recordable
- Luchd-labhairt: Detachable 3-way speakers with Dynamic Bass Boost
- Ceangal: Jack headphone stereo
- Meudan (approx.): 27.8 x 12.5 x 11.6 òirleach (tomhasan pacaid)
- Cuideam (approx.): 16.7 not (cuideam nì)
- Dèanadair: Koss Audio & Video
- A’ chiad fhear ri fhaighinn: 4 Sultain, 1999
7. Barantas & Taic
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss weblàrach. Cùm do chuidhteas ceannach mar dhearbhadh ceannach.
Oifigeil Koss Weblàrach: www.koss.com