1. Réamhrá
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.
Fíor 1: Tosaigh view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. Socrú
2.1 Díphacáil
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 Cainteoirí a Nascadh
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.
Fíor 2: Cúil view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 Cumhachtú an Aonaid
Cumhacht 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.
Cumhacht Battery
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.
Fíor 3: Mionsonraithe view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 Socrú 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. Oibríocht
3.1 Bunrialuithe
- Cnaipe CUMHACHTA: Brúigh chun an t-aonad a chasadh AIR nó AS.
- Rialú VOLUME: Rotate to adjust the overall sound level.
- Rialú COMHARDAITHE: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 Oibriú an Seinnteora CD
- Oscail clúdach urrann an CD.
- Cuir CD isteach leis an taobh lipéid suas.
- Dún clúdach na urrann CD.
- Brúigh an CD/AUX cnaipe chun modh CD a roghnú.
- Brúigh an IMIR/SOS cnaipe chun athsheinm a thosú.
- Úsáid SKIP / CUARDACH buttons to navigate tracks or fast forward/rewind.
- CLÁR: Allows programming up to 20 tracks in a desired order.
3.3 Oibriú an Tiúnóra Raidió
- Brúigh an Tuner button to select AM or FM band.
- Bain úsáid as an TÚNÚ cnaipí chun stáisiún a thiúnadh de láimh.
- Brúigh agus coinnigh TÚNÚ buttons for automatic station search.
- Réamhshocrú: Store and recall up to 20 AM/FM stations.
3.4 Cassette Deck Operation
The unit features dual cassette decks (Deck A and Deck B).
Athsheinm
- Oscail doras an chaiséid agus cuir téip chaiséid isteach.
- Brúigh an TÉIP button to select tape mode.
- Brúigh IMIRCE on either Deck A or Deck B to start playback.
- Úsáid REWIN, FAST AR AGHAIDH, agus STOP/DÍCHUR cnaipí mar is gá.
Taifeadadh
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).
- Brúigh an TAIFEAD button on Deck B. Playback from the source will begin automatically.
- Brúigh STOP on Deck B to end recording.
3.5 Cianrialtán
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 Jack cluasán
A stereo headphone jack is provided for private listening. Plugging in headphones will mute the speakers.
4. Cothabháil
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 Athsholáthar Ceallra
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
- Láimhseáil dlúthdhioscaí ag a n-imeall chun méarloirg agus scríobtha a sheachaint.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. Fabhtcheartú
| Fadhb | Cúis Féideartha | Réiteach |
|---|---|---|
| Gan chumhacht | AC cord not plugged in; Batteries depleted or incorrectly inserted. | Check AC connection; Replace batteries, ensuring correct polarity. |
| Gan fuaim | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| Scipeann an CD nó ní sheinneann sé | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| Fáiltiú raidió lag | Antenna gan síneadh/suíomh; Comhartha lag. | Extend and adjust FM antenna; Rotate unit for AM; Try a different location. |
| Cassette playback issues | Tape tangled or damaged; Heads dirty. | Seiceáil riocht an téip; Glan cinn an chaiséid. |
| Cianrialtán nach bhfuil ag obair | Batteries depleted or incorrectly inserted; Obstruction between remote and unit. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. Sonraíochtaí
- Múnla: HG857
- Foinse Cumhachta: AC 120V, 60Hz; 8 x D-size batteries
- Seinnteoir CD: Top-loading, 20-track programmable
- Tuner Raidió: Digital AM/FM, 20 station presets
- Cassette Decks: Dual cassette, recordable
- Cainteoirí: Detachable 3-way speakers with Dynamic Bass Boost
- Nascacht: Jack cluasán steirió
- Toisí (thart.): 27.8 x 12.5 x 11.6 orlach (Toisí Pacáiste)
- Meáchan (thart.): 16.7 punt (Meáchan Mír)
- Monaróir: Koss Audio & Video
- Ar Fáil ar dtús: 4 Meán Fómhair, 1999
7. Barántas & Tacaíocht
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss websuíomh. Coinnigh d’admháil ceannaigh mar chruthúnas ceannaigh.
Koss Official Websuíomh: www.koss.com