How to use in-line headphones?

In-line headphones are those that can control the access device connected to the headphone cable. Control the remote MP3 device's on/off function, play and stop function, volume level adjustment function, and so on, and have these functions on the headphone cable to control the wire-controlled headphones' remote device. Because the headset issued by the information command and receive information command devices, as well as the information recognition language version, differ, some wired controls issued by the information command cannot be recognized by the remote receiving device, resulting in the wired control headset not working with this remote receiving device. This article covers three aspects of using an in-line headset: the principle of the in-line headset, normal operation, and the way of closing the in-line control.

Principle of the in-line headset

Wire-controlled headsets use a four-wire connection independent of the interface type (audio interface, USB interface, etc.). One of the "common return lines GND" is the headset's left and right channel microphones, which are controlled by the common return line's output. This premise is unquestionable, but manufacturers use their monopoly on the interests of the line pole function to pull various tricks. For example, if the first and third electrodes of the four electrodes are wired to the switch, the phenomenon is a machine without sound project line control failure and microphone failure. When the third and fourth electrode wires are modified, the two headphones become silent. Change just at the micro switch, according to the schematic diagram, to smooth the wiring.

In-line headset routine operation

Different phones support different in-line control functions. On the "Smart Wire Control" page, dynamic graphics demonstrate the functions of the wire control and the specific operation methods. Briefly introduced as follows.

1. Smart line control open method: Settings and all settings a selection of "more" in the intelligent auxiliary column a click to open the smart line control

2. Open the intelligent line control and plug in the line control headset. You can experience the following functions:

Volume key +:

Click: Increase the volume

Double click: Favorite music

Long press: Share music

Answer key:

Click: Play/pause music

Double click: Next song

Three clicks: Previous song

Volume key-:

Click: Decrease volume

Double-click: Switch playback mode

Long click: Download the song

How to turn off the in-line control for in-line headphones

To begin, locate the program [Settings] on your phone's desktop and click it to access the Settings management page. Then, on the [Settings] page, scroll down to find the option [Smart Assist] and select it to open the new settings page. Find the option [Smart In-Line] in the [Smart Assist] management page and click it to reach the headset mode management page. The page indicates that Smartphone has enabled support for the phone's headset mode after entering "Smartphone" mode. To cancel the phone headset mode, turn off the switch on the right side of the [smartphone] on the page.