1. ບົດແນະນຳ
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.
ຮູບ 1: ດ້ານຫນ້າ view of the Koss HG857 Portable CD System with the CD compartment open, showing the main unit and detachable speakers.
2. ຕັ້ງຄ່າ
2.1 ການຫຸ້ມຫໍ່
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 ເຊື່ອມຕໍ່ລໍາໂພງ
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.
ຮູບ 2: ດ້ານຫລັງ view of the Koss HG857 system, showing the main unit with detachable speakers connected, highlighting the speaker terminals and power input.
2.3 ການສ້າງພະລັງງານຫນ່ວຍງານ
ໄຟຟ້າ 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.
ພະລັງງານຫມໍ້ໄຟ
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.
ຮູບທີ 3: ລາຍລະອຽດ view of the Koss HG857 rear panel, showing the AC power input, speaker terminals, and the extendable FM antenna.
2.4 ການຕິດຕັ້ງເສົາອາກາດ
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. ການດໍາເນີນງານ
3.1 ການຄວບຄຸມພື້ນຖານ
- ປຸ່ມພະລັງງານ: ກົດເພື່ອເປີດ ຫຼືປິດເຄື່ອງ.
- ຄວບຄຸມລະບົບໄຟຟ້າ: Rotate to adjust the overall sound level.
- ການຄວບຄຸມການດຸ່ນດ່ຽງ: Adjusts the balance between the left and right speakers.
- DYNAMIC BASS BOOST (DBB): Activates or deactivates enhanced bass response.
3.2 ການດໍາເນີນງານ CD Player
- ເປີດຝາປິດຊ່ອງ CD.
- ວາງແຜ່ນຊີດີໃຫ້ດ້ານຂ້າງຂອງປ້າຍກຳກັບຫັນໜ້າຂຶ້ນ.
- ປິດຝາຫ້ອງ CD.
- ກົດ CD/AUX ປຸ່ມເພື່ອເລືອກຮູບແບບຊີດີ.
- ກົດ ຫຼິ້ນ/ຢຸດຊົ່ວຄາວ ປຸ່ມເພື່ອເລີ່ມຕົ້ນການຫຼິ້ນ
- ໃຊ້ SKIP / ຄົ້ນຫາ buttons to navigate tracks or fast forward/rewind.
- ໂຄງການ: Allows programming up to 20 tracks in a desired order.
3.3 ການເຮັດວຽກຂອງເຄື່ອງຮັບສັນຍານວິທະຍຸ
- ກົດ ເຄື່ອງຈູນ button to select AM or FM band.
- ໃຊ້ Tuning ປຸ່ມເພື່ອປບັໄປຫາສະຖານີດ້ວຍຕົນເອງ.
- ກົດຄ້າງໄວ້ Tuning ປຸ່ມສໍາລັບການຊອກຫາສະຖານີອັດຕະໂນມັດ.
- ຕັ້ງໄວ້ລ່ວງໜ້າ: Store and recall up to 20 AM/FM stations.
3.4 ການເຮັດວຽກຂອງແຜ່ນເທບ
The unit features dual cassette decks (Deck A and Deck B).
ຫຼິ້ນຄືນ
- ເປີດປະຕູເທບຄາເຊັດ ແລະ ໃສ່ເທບຄາເຊັດ.
- ກົດ ປາດຢາງ button to select tape mode.
- ກົດ ຫຼິ້ນ on either Deck A or Deck B to start playback.
- ໃຊ້ ກັບຄືນ, ເດີນໜ້າໄວ, ແລະ STOP/EJECT ປຸ່ມຕ່າງໆຕາມຄວາມຕ້ອງການ.
ການບັນທຶກ
You can record from CD, Radio, or Tape A to Tape B.
- ໃສ່ເທບເທບເປົ່າທີ່ສາມາດບັນທຶກສຽງໄດ້ເຂົ້າໄປໃນ Deck B.
- Select the desired source (CD, TUNER, or TAPE A).
- ກົດ ບັນທຶກ button on Deck B. Playback from the source will begin automatically.
- ກົດ ຢຸດ on Deck B to end recording.
3.5 ການຄວບຄຸມໄລຍະໄກ
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 ຊ່ອງສຽບຫູຟັງ
A stereo headphone jack is provided for private listening. Plugging in headphones will mute the speakers.
4. ບໍາລຸງຮັກສາ
4.1 ການທໍາຄວາມສະອາດ
ເຊັດເຄື່ອງດ້ວຍຜ້າອ່ອນ, ແຫ້ງ. ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂັດຫຼືສານລະລາຍ. ສໍາລັບເລນ CD, ໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດເລນ CD ສະເພາະ.
4.2 ການທົດແທນຫມໍ້ໄຟ
If using battery power, replace all 8 D-size batteries when the unit's performance degrades. Ensure proper polarity.
4.3 ການດູແລຊີດີ ແລະ ເທບເຊັດ
- ຈັບແຜ່ນຊີດີຕາມແຄມຂອງພວກມັນເພື່ອຫຼີກເວັ້ນການເປັນລາຍນິ້ວມື ແລະຮອຍຂີດຂ່ວນ.
- Store cassettes away from direct sunlight and heat.
- Periodically clean cassette heads with a head cleaner.
5. ການແກ້ໄຂບັນຫາ
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ບໍ່ມີພະລັງງານ | ສາຍໄຟ AC ບໍ່ໄດ້ສຽບ; ແບັດເຕີຣີໝົດ ຫຼືໃສ່ບໍ່ຖືກຕ້ອງ. | Check AC connection; Replace batteries, ensuring correct polarity. |
| ບໍ່ມີສຽງ | Volume too low; Headphones connected; Speakers not connected properly. | Increase volume; Disconnect headphones; Check speaker connections. |
| CD ຂ້າມ ຫຼື ບໍ່ຫຼິ້ນ | CD dirty or scratched; CD inserted incorrectly; Unit in wrong mode. | Clean CD; Reinsert CD label side up; Select CD mode. |
| ການຮັບວິທະຍຸທີ່ບໍ່ດີ | ເສົາອາກາດບໍ່ໄດ້ຂະຫຍາຍ/ວາງຕຳແໜ່ງ; ສັນຍານອ່ອນ. | Extend and adjust FM antenna; Rotate unit for AM; Try a different location. |
| ບັນຫາການຫຼິ້ນເທບ | Tape tangled or damaged; Heads dirty. | Check tape condition; Clean cassette heads. |
| ການຄວບຄຸມໄລຍະໄກບໍ່ເຮັດວຽກ | ແບັດເຕີຣີໝົດ ຫຼື ໃສ່ບໍ່ຖືກຕ້ອງ; ມີສິ່ງກີດຂວາງລະຫວ່າງຣີໂໝດ ແລະ ເຄື່ອງ. | Replace remote batteries; Ensure clear line of sight to unit's sensor. |
6. ຂໍ້ມູນຈໍາເພາະ
- ຕົວແບບ: HG857
- ແຫຼ່ງພະລັງງານ: AC 120V, 60Hz; 8 x D-size batteries
- ເຄື່ອງຫຼີ້ນ CD: Top-loading, 20-track programmable
- ເຄື່ອງຮັບສັນຍານວິທະຍຸ: Digital AM/FM, 20 station presets
- Cassette Decks: Dual cassette, recordable
- ລໍາໂພງ: Detachable 3-way speakers with Dynamic Bass Boost
- ການເຊື່ອມຕໍ່: Stereo headphone jack
- ຂະໜາດ (ປະມານ): 27.8 x 12.5 x 11.6 ນິ້ວ (ຂະໜາດບັນຈຸ)
- ນ້ຳໜັກ (ປະມານ): 16.7 ປອນ (ນ້ໍາຫນັກສິນຄ້າ)
- ຜູ້ຜະລິດ: Koss Audio & Video
- ທໍາອິດທີ່ມີຢູ່: ວັນທີ 4 ກັນຍາ 1999
7. ການຮັບປະກັນແລະການສະ ໜັບ ສະ ໜູນ
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Koss webເວັບໄຊ. ຮັກສາໃບຮັບເງິນການຊື້ຂອງທ່ານໄວ້ເປັນຫຼັກຖານການຊື້.
ທາງການຂອງ Koss Webເວັບໄຊ: www.koss.com