ແນະນຳ
This manual provides essential information for the proper setup, operation, and maintenance of your Astatic 302-AST878DM CB Desk Microphone. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

ຮູບພາບ: ທາງຫນ້າ view of the Astatic 302-AST878DM CB Desk Microphone, showcasing its black finish and base.
ຂໍ້ມູນຄວາມປອດໄພທີ່ສໍາຄັນ
ຄຳເຕືອນ: ຜະລິດຕະພັນນີ້ມີສານເຄມີທີ່ລັດຄາລິຟໍເນຍຮູ້ວ່າເປັນສາເຫດຂອງມະເຮັງ ແລະ ຄວາມຜິດປົກກະຕິໃນເວລາເກີດ ຫຼື ອັນຕະລາຍຕໍ່ລະບົບສືບພັນອື່ນໆ. ສຳລັບຂໍ້ມູນເພີ່ມເຕີມ, ໄປທີ່ www.P65 ຂໍ້ຄວນລະວັງ.
- Do not expose the microphone to extreme temperatures, moisture, or direct sunlight.
- Handle the microphone with care to prevent damage to internal components.
- Ensure proper wiring to your CB radio. Incorrect wiring can cause damage to the microphone or radio.
- ຮັກສາໃຫ້ໄກຈາກເດັກນ້ອຍ.
ເນື້ອໃນຊຸດ
ກວດສອບວ່າລາຍການທັງຫມົດແມ່ນມີຢູ່ໃນການຍົກເລີກການຫຸ້ມຫໍ່:
- Astatic 302-AST878DM CB Desk Microphone
- ຄູ່ມືຜູ້ໃຊ້ (ເອກະສານນີ້)

Image: Retail packaging for the Astatic 302-AST878DM CB Desk Microphone.
ຄຸນສົມບັດຜະລິດຕະພັນ
- Rugged Cycolac Resin Housing: Provides durability for industrial and commercial applications.
- Standard Push-to-Talk (PTT) and Lock-to-Talk Buttons: ສໍາລັບການດໍາເນີນງານສະດວກ.
- High Quality Omni Directional Ceramic Cartridge: Ensures clear audio transmission.
- 5 Conductor Shielded Standard Astatic Color Coded Cable: Designed for reliable connection.
- ຕົວເຊື່ອມຕໍ່ 4-Pin: Standard connector for CB radios.
- ພະລັງງານຫມໍ້ໄຟ: Requires one standard 9-Volt battery (not included).
ຄໍາແນະນໍາການຕິດຕັ້ງ
1. ການຕິດຕັ້ງຫມໍ້ໄຟ
- Locate the battery compartment on the underside of the microphone base.
- ເປີດຝາປິດ.
- Insert one (1) standard 9-Volt battery, ensuring correct polarity.
- ປິດຝາປິດຊ່ອງໃສ່ຫມໍ້ໄຟຢ່າງປອດໄພ.
2. Connecting to your CB Radio
The Astatic 302-AST878DM is equipped with a 4-pin connector. It is crucial to ensure proper wiring for your specific CB radio model. Many CB radios have different wiring configurations. Incorrect wiring can lead to malfunction or damage.
- Consult your CB radio's instruction manual for its specific microphone wiring diagram.
- If the microphone's 4-pin connector does not match your radio's wiring, professional assistance may be required for re-wiring.
- Carefully plug the 4-pin connector into the microphone input jack on your CB radio.

Image: The Astatic 302-AST878DM CB Desk Microphone showing its coiled cable and 4-pin connector.
ຄໍາແນະນໍາການດໍາເນີນງານ
Push-to-Talk (PTT) Function
- To transmit, press and hold the PTT button located on the microphone base.
- ເວົ້າຢ່າງຈະແຈ້ງໃນໄມໂຄຣໂຟນ.
- ປ່ອຍປຸ່ມ PTT ເພື່ອຢຸດການຖ່າຍທອດ ແລະກັບຄືນສູ່ໂໝດຮັບ.
Lock-to-Talk Function
- To engage continuous transmission, press the "LOCK" button on the microphone base.
- The microphone will remain in transmit mode without needing to hold the PTT button.
- To disengage, press the "LOCK" button again.
ໝາຍເຫດ: Always ensure the microphone is properly connected and powered before operation. Adjust your CB radio's microphone gain (if available) for optimal audio quality.
ການບໍາລຸງຮັກສາແລະການດູແລ
- ທໍາຄວາມສະອາດ: ໃຊ້ຜ້າອ່ອນໆແຫ້ງເພື່ອທຳຄວາມສະອາດດ້ານນອກຂອງໄມໂຄຣໂຟນ. ຢ່າໃຊ້ນ້ຳຢາທຳຄວາມສະອາດ ຫຼື ຕົວລະລາຍ.
- ການປ່ຽນແບັດເຕີຣີ: Replace the 9-Volt battery when audio quality degrades or the microphone stops transmitting.
- ການເກັບຮັກສາ: Store the microphone in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
- ການດູແລສາຍໄຟ: Avoid sharp bends or kinks in the coiled cable to prevent internal wire damage.
ການແກ້ໄຂບັນຫາ
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| No audio transmission / Weak audio |
|
|
| ສຽງບິດເບືອນ |
|
|
| PTT or Lock-to-Talk buttons not responding |
|
|
If the issue persists after attempting these solutions, please contact Astatic customer support.
ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ໝາຍເລກຕົວແບບ | 302-AST878DM |
| ຕົວປະກອບແບບຟອມໄມໂຄຣໂຟນ | Table Array (Desk Microphone) |
| ຮູບແບບຂົ້ວໂລກ | ອ້ອມຮອບ |
| ຄວາມອ່ອນໄຫວສຽງ | 56 Decibels |
| ອັດຕາສ່ວນສັນຍານເຖິງສຽງດັງ | 60 dB |
| ເຕັກໂນໂລຊີການເຊື່ອມຕໍ່ | ຜູ້ຊ່ວຍ |
| ປະເພດຕົວເຊື່ອມຕໍ່ | 4-pin |
| ແຫຼ່ງພະລັງງານ | Battery Powered (1 x 9V battery required, not included) |
| ວັດສະດຸ | Cycolac Resin, Ceramic |
| ສີ | ດຳ |
| ນ້ໍາຫນັກລາຍການ | 1.65 ປອນ (ປະມານ 0.75 ກິໂລ) |
| ຂະໜາດສິນຄ້າ (L x W x H) | 4.9 x 8.2 x 10.8 ນິ້ວ (ປະມານ 12.4 x 20.8 x 27.4 ຊມ) |
| ອຸປະກອນທີ່ເຂົ້າກັນໄດ້ | CB Radio (requires proper wiring) |
ການຮັບປະກັນ ແລະການຊ່ວຍເຫຼືອລູກຄ້າ
For warranty information or technical assistance, please refer to the official Astatic website ຫຼືຕິດຕໍ່ສະຫນັບສະຫນູນລູກຄ້າຂອງເຂົາເຈົ້າໂດຍກົງ. ຮັກສາໃບຮັບເງິນການຊື້ຂອງທ່ານໄວ້ເປັນຫຼັກຖານການຊື້.
ຜູ້ຜະລິດ: Astatic
Webເວັບໄຊ: www.astaticmics.com (ຕ. ຢample, ຈິງ URL ອາດຈະແຕກຕ່າງກັນ)