Steps
1. Baidu searches for “Sofa Manager†to enter the sofa network and downloads the sofa butler package; or click the link (http://app.shafa.com/shafa.apk) to download the sofa butler package.
2. Connect U disk to Changhong 50U2S TV USB port, then click on local media;
3. Select All, and find the sofa butler apk in the U disk under all categories. Click the apk and the installation prompt will be displayed.
1. Use your Android phone to download and install the sofa butler mobile version: http://pub.shafa.com/download/shafa_mobile.apk;
2. Run the sofa butler mobile version on the mobile phone;
The 
The 
5, find the IP corresponding TV (or box), and click on the connection; [If you do not show the corresponding device, click the connection fails, sofa butler phone version shows "find the device", please wait a moment]
The 
The 
Installation process 1 Open the TV's own browser → 2 address bar input → 3 download sofa butler installation file → 4 download management open installation → 5 installation is complete
Steps
1. Select the browser, enter the URL shafa.com, download the sofa butler apk installation package.
(If you have difficulty downloading button points, it is recommended to use the virtual mouse on the remote control)
2. After the download is complete, the installation package installation prompt will pop up automatically. Follow the prompts to click [OK] to install. If the installation fails, restart the device and try again by following the steps (may be useful).
A Perkins diesel generator set refers to a generator that is powered by a Perkins diesel engine. Perkins is a well-known and reputable brand that specializes in manufacturing diesel engines for various applications, including power generation.
A Perkins diesel generator set typically consists of a diesel engine, an alternator, a control panel, and other necessary components. The diesel engine is the main power source, which converts the chemical energy in diesel fuel into mechanical energy. This mechanical energy is then converted into electrical energy by the alternator.
The control panel is responsible for monitoring and controlling the generator set. It allows the user to start or stop the generator, adjust the output voltage and frequency, and provides information about the generator's status, such as fuel level, oil pressure, and temperature.
Perkins diesel generator sets are known for their reliability, durability, and fuel efficiency. They are commonly used in various industries, such as construction, agriculture, telecommunications, and emergency backup power systems. They are available in different power capacities to meet the specific needs of the user.
Overall, a Perkins diesel generator set is a reliable and efficient solution for providing backup or continuous power in various applications.
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Grandwatt Electric Corp. , https://www.grandwattelectric.com