1. Бүтээгдэхүүн дууссанview
The Sennheiser SET 840-TV is an RF stereo TV listening system designed for wireless audio transmission in your home. This system allows users to enjoy TV programs or music with enhanced clarity and personalized sound preferences. It is particularly beneficial for individuals seeking an assistive listening solution.
Гол онцлогууд нь:
- Утасгүй RF технологи: Provides mobility within a range of up to 100 feet, with the ability to transmit through walls, offering flexible listening throughout your home.
- Optimized Speech Clarity: Three selectable hearing settings on the transmitter allow for customization to improve speech intelligibility.
- Comfortable Receiver: The lightweight under-chin receiver features flexible ear pads for extended wear comfort.
- Өргөн нийцтэй байдал: Connects directly to various audio sources such as TVs, hi-fi systems, and radios. Ideal for use with older plasma TVs.
- Урт хугацааны гүйцэтгэл: Equipped with a rechargeable battery for extended listening enjoyment.

Image 1.1: The Sennheiser SET 840-TV RF Stereo TV Assistive Listening Headphones System, showing the under-chin receiver and transmitter unit.
2. Багцын агуулга
Таны багцад бүх зүйл байгаа эсэхийг шалгана уу:
- TR 840 Transmitter
- RR 840 Receiver (under-chin headphones)
- Цахилгаан хангамжийн нэгж
- TV connection cable (3.5 mm stereo jack plugs)
- Adapter for 1/4 inch (6.3 mm) jack socket
- Rechargeable battery (BA 300)
- Ear pads (various sizes for comfort)
- Хэрэглэх заавар (энэ баримт бичиг)
3. Тохиргоо
3.1 Connecting the Transmitter (TR 840)
The transmitter connects to your audio source (TV, hi-fi system, radio) to send the audio signal wirelessly to the receiver.
- Эрчим хүчний холболт: Connect the power supply unit to the TR 840 transmitter and plug it into a wall outlet. The power indicator LED on the transmitter will illuminate.
- Аудио холболт:
- For TVs/Audio Devices with 3.5mm Headphone Output: Use the provided TV connection cable (3.5 mm stereo jack plugs) to connect the transmitter's audio input to the headphone output of your TV or audio device.
- For TVs/Audio Devices with RCA Audio Output: If your TV has red and white RCA audio output jacks, you will need an RCA to 3.5mm adapter (not always included, may need to be purchased separately) to connect to the transmitter.
- For Audio Devices with 1/4 inch (6.3 mm) Jack: Use the provided 3.5 mm to 1/4 inch adapter with the TV connection cable.
Жич: Ensure your TV's audio output is active. Some TVs require you to enable the audio output in their settings menu. If connecting to a TV's headphone jack, the TV's internal speakers may be muted.
- Сувгийн сонголт: The transmitter has a channel selector switch (usually 1, 2, or 3). Select a channel that provides the clearest reception without interference. You may need to try different channels during initial setup.
3.2 Charging the Receiver (RR 840)
Before first use, fully charge the receiver's battery.
- Insert the rechargeable battery (BA 300) into the battery compartment of the RR 840 receiver. Ensure correct polarity.
- Place the RR 840 receiver onto the charging contacts of the TR 840 transmitter. The charging indicator LED on the transmitter will show the charging status (e.g., red for charging, green for fully charged).
- Allow approximately 3 hours for a full charge. A fully charged battery provides up to 9 hours of operation.
4. Ашиглалтын заавар
4.1 Wearing the Receiver
The RR 840 receiver is designed to be worn under the chin.
- Gently spread the ear pads apart and place the receiver under your chin, positioning the ear pads comfortably in your ears.
- The receiver automatically switches on when the ear pads are spread apart and switches off when they are brought together.
4.2 Дууны хэмжээг тохируулах
The volume control is located on the receiver unit.
- Rotate the large dial on the front of the receiver to increase or decrease the listening volume to your preference.
4.3 Selecting Hearing Settings
The TR 840 transmitter offers three selectable hearing settings to optimize speech intelligibility.
- Locate the hearing setting switch on the transmitter.
- Switch between settings 1, 2, and 3 to find the audio profile that best suits your hearing needs. These settings typically adjust compression and treble boost.
- For fine-tuning, some models may have an additional adjustment knob on the rear of the transmitter for treble boost (min to max).
4.4 Тэнцвэрийн хяналт
The receiver may include a balance control to adjust the sound level between the left and right ears, useful for individuals with uneven hearing loss.
- Adjust the balance control (if present) on the receiver to achieve a comfortable and balanced sound experience.
5. Засвар үйлчилгээ
5.1 Цэвэрлэгээ
- Wipe the transmitter and receiver with a soft, dry cloth.
- Do not use cleaning agents or solvents, as they may damage the surfaces.
- The ear pads can be gently cleaned with a damp cloth. Ensure they are completely dry before use.
5.2 Батерейны арчилгаа
- Always place the receiver on the transmitter's charging contacts when not in use to ensure it is charged for the next use.
- If the system will not be used for an extended period, remove the rechargeable battery from the receiver.
- Only use genuine Sennheiser replacement batteries (BA 300).
5.3 Хадгалалт
- Системийг нарны шууд тусгал, хэт температураас хол, сэрүүн, хуурай газар хадгална.
6. Алдаа засах
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Дуугүй эсвэл дуу багатай |
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| Статик эсвэл хөндлөнгийн оролцоо |
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| Хүлээн авагч цэнэглэгдэхгүй байна |
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7. Техникийн үзүүлэлтүүд
| Онцлог | Дэлгэрэнгүй |
|---|---|
| Брэнд | Сеннхайзер |
| Загварын дугаар | Set 840-TV |
| Холболтын технологи | Утасгүй (RF) |
| Утасгүй сүлжээ | 100 фут хүртэл (ойролцоогоор 30 метр) |
| Чихний байрлал | In Ear (under-chin style) |
| Form Factor | In Ear Stethoset |
| Эсэргүүцэл | 32 Ом |
| Давтамжийн хүрээ | 500 Гц - 4 кГц |
| Аудио драйверын төрөл | Тэнцвэртэй арматурын жолооч |
| Хяналтын төрөл | Media Control (Push Button, Rotary Dial) |
| Headphone Jack Compatibility | 3.5 mm Jack, 6.35 mm Jack (with adapter) |
| Зүйлийн жин | 1 килограмм (ойролцоогоор 2.2 фунт) |
| Хаалтны материал | Хуванцар |
| Өнгө | Хар |
| Бүтээгдэхүүний тусгай хэрэглээ | Home TV listening, Assistive Listening |
8. Баталгаат хугацааны мэдээлэл
The Sennheiser SET 840-TV system comes with a 2-year coverage for labor and 2-year coverage for parts худалдан авсан өдрөөс. Энэхүү баталгаа нь ердийн ашиглалтын үед хийгдсэн материал, хийцийн согогийг хамарна. Баталгаат заргад зориулж худалдан авалтаа нотлох баримтаа үлдээнэ үү.
For detailed warranty terms and conditions, please refer to the official Sennheiser webсайт эсвэл хэрэглэгчийн дэмжлэгтэй холбоо барина уу.
9. Хэрэглэгчийн дэмжлэг
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact Sennheiser customer support.
- Онлайн дэмжлэг: Visit the official Sennheiser webТүгээмэл асуултууд, бүтээгдэхүүний бүртгэл, дэмжлэгийн нөөцийн сайт.
- Холбоо барих мэдээлэл: Refer to the contact section on the Sennheiser webТанай бүс нутагт утасны дугаар эсвэл имэйлийн тусламж авах сайт.
Always provide your product model number (SET 840-TV) and serial number (if applicable) when contacting support for faster service.