The Product Specification of 

DSR-0786

The Product Specification of DSR -0786

Product Name: Bluetooth Remote Control

Model Name: DSR-0786

1. Introduction

1.1 Description

DSR-0786 contains 18 function buttons. The plastic shell is used as the outer frame of the product, which improves the appearance and feel of the product. The buttons are designed with metaldome,. There are two LEDs to show the RC modes.. 2*AA battery as the power supply.

 

Otherwise, DSR-0786 has some special functions, such as voice recognition, etc.

1.2 Application

  • TV

  • Set box

  • Smart projector

  • Smart conference system

1.3 Product feature

  • IR control

  • Bluetooth key control

  • Bluetooth voice control

  • 2 groups of hidden buttons (CH, VOL)

 
 

2. Appearance

3. Product specification

3.1 RF performance

Protocol

Performance

Bluetooth 4.2

  • Main IC: CYW20735PKML1GT

  • Processor: ARM Cortex-M4

  • Storage: 2M embedded flash+384KB RAM

  • Transmission frequency: 2.402 - 2.4835GHz

  • TX power: 10dBm

  • Communication rate: 1Mbps

  • RX sensitivity: -96 dBm

IR

  • Frequency : 38Khz±2%

  • IR power: middle:>60uW/cm2; 30°angle:>20uW/cm2

3.2 Electronic performance

Item

Performance

Electronic

  • Working voltage: 2.2~3.6VDC

  • Average power consumption:<50uA (keep Bluetooth connected)

                                                        <20uA (sleep mode)

                                                        <2mA (key press)

                                                        <10mA (Voice)

  • Working distance:  >10 meters (key function)

                                     >6 meters(voice function)

  • Built-in battery : 2*AAA

  • Battery life : ~1 year (Depends on the mode of operation)

  • Antenna: PCB on board

3.3 Basic performance

Performance

Item

Basis

  • Operation temperature: -10~50°C

  • Operation humidity: 5%~85%

  • Storage temperature: -20~60°C

  • Storage humidity: 5%~90%

TBD

Certification

4. Basic function

4.1 Pairing and unpairing

  • Press and hold the Back and fast forward, and keep for 3 seconds, the red LED will start to flash and enter the pairing mode for 30s

  • The pairing is successful and the red light will be on for 1s

4.2 Re-Connect

The remote control does not actively initiate disconnection and maintains a long connection. When there is pairing information and the Bluetooth connection is disconnected, press any key to send a re-connect broadcast.

4.3 Sleep and wake up

When there is no data interaction, the remote control remains connected and enters the dormant state, and the remote control does not actively enter the disconnected state. Press any key to wake up the remote control. If it is still connected, the Bluetooth code value of the corresponding button will be sent; if it has entered the Bluetooth connection disconnected state, it will enter the reconnect state.

5. Advanced function

5.1 Voice control

In the remote control, the main chip capture the voice data through a high-SNR microphone and noise reduction based on built in codec and then transmits it to the host via Bluetooth. The host decompresses the data and performs ASR (voice recognition).

 

Through this function, users can control TV/STB and other devices with sound.

Remark 1: The advantage of this product is high SNR MIC + internal Codec noise reduction to ensure the quality of voice data, and the correct rate of voice recognition reaches 98% (5 meters)


Remark 2: High-performance speech library SDK can be provided to facilitate some customized needs of customers.

 
 
 

6. Unique function

6.1 Hidden buttons

The product has 2 sets of hidden buttons, CH and VOL. You can switch channels and adjust the volume by dialing up and down, and there will be a mute operation after clicking.

 

Near-field

Handheld Remote Control

Far-field

Far-field Voice Control

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