1. Rhagymadrodd
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.
Ffigur 1: Blaen view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. Gosod
2.1 Dadbacio
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 Cysylltu Siaradwyr
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.
Ffigur 2: Cefn view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 Pweru'r Uned
Pŵer 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.
Pŵer Batri
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.
Ffigur 3: Manwl view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 Gosod Antena
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. Gweithrediad
3.1 Rheolaeth Sylfaenol
- Botwm POWER: Pwyswch i droi'r uned YMLAEN neu I FFOD.
- Rheoli CYFROL: Rotate to adjust the overall sound level.
- Rheoli BALANS: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 Gweithrediad y Chwaraewr CD
- Agorwch gaead yr adran CD.
- Rhowch CD gyda'r ochr label yn wynebu i fyny.
- Caewch gaead y compartment CD.
- Gwasgwch y CD/AUX botwm i ddewis modd CD.
- Gwasgwch y CHWARAE/SEIBIANT botwm i ddechrau chwarae.
- Defnydd SKIP / CHWILIO buttons to navigate tracks or fast forward/rewind.
- RHAGLEN: Allows programming up to 20 tracks in a desired order.
3.3 Gweithrediad Tiwniwr Radio
- Gwasgwch y Tuner button to select AM or FM band.
- Defnyddiwch y DYNIO botymau i diwnio i orsaf â llaw.
- Pwyswch a dal DYNIO botymau ar gyfer chwilio am orsafoedd yn awtomatig.
- RHAGosod: Store and recall up to 20 AM/FM stations.
3.4 Gweithrediad y Dec Casetiau
The unit features dual cassette decks (Deck A and Deck B).
Chwarae yn ôl
- Open the cassette door and insert a cassette tape.
- Gwasgwch y TÂP button to select tape mode.
- Gwasgwch CHWARAE on either Deck A or Deck B to start playback.
- Defnydd AILWIN, YMLAEN GYFLYM, a AROS/GOLLWNG botymau yn ôl yr angen.
Recordio
You can record from CD, Radio, or Tape A to Tape B.
- Mewnosodwch gasét wag, y gellir ei recordio i mewn i Dec B.
- Select the desired source (CD, TUNER, or TAPE A).
- Gwasgwch y COFNOD button on Deck B. Playback from the source will begin automatically.
- Gwasgwch AROS on Deck B to end recording.
3.5 Rheoli o Bell
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 Clustffon
A stereo headphone jack is provided for private listening. Plugging in headphones will mute the speakers.
4. cynnal
4.1 Glanhau
Sychwch yr uned gyda lliain meddal, sych. Peidiwch â defnyddio glanhawyr sgraffiniol na thoddyddion. Ar gyfer lens y CD, defnyddiwch lanhawr lens CD arbenigol.
4.2 Batri Newydd
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
- Trin CDs wrth eu hymylon i osgoi olion bysedd a chrafiadau.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. Datrys Problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Dim pŵer | AC cord not plugged in; Batteries depleted or incorrectly inserted. | Check AC connection; Replace batteries, ensuring correct polarity. |
| Dim sain | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| Mae CD yn hepgor neu ddim yn chwarae | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| Derbyniad radio gwael | Antena heb ei hymestyn/ei lleoli; Signal gwan. | 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. |
| Rheolaeth bell ddim yn gweithio | Batteries depleted or incorrectly inserted; Obstruction between remote and unit. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. manylebau
- Model: HG857
- Ffynhonnell Pwer: AC 120V, 60Hz; 8 x D-size batteries
- Chwaraewr CD: Top-loading, 20-track programmable
- Tiwniwr Radio: Digital AM/FM, 20 station presets
- Cassette Decks: Dual cassette, recordable
- Siaradwyr: Detachable 3-way speakers with Dynamic Bass Boost
- Cysylltedd: Jack clustffon stereo
- Dimensiynau (tua): 27.8 x 12.5 x 11.6 modfedd (Dimensiynau Pecyn)
- Pwysau (tua): 16.7 pwys (Pwysau Eitem)
- Gwneuthurwr: Koss Audio & Video
- Ar Gael Cyntaf: Medi 4, 1999
7. Gwarant a Chefnogaeth
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss websafle. Cadwch eich derbynneb prynu fel prawf o brynu.
Koss Official Websafle: www.koss.com