Hi, all. English is not my first language, so please be nice and tell me if I make mistakes. I want to mute the master volume when Hotkey1 is pressed and unmute it when Hotkey2 is pressed. I used the Send('{VOLUME_MUTE}') to mute and unmute. However, when I press the Hotkey1 twice, it unmute the master volume. I wanted to check the mute status and determine whether to send the command or not. Here is my script Hotkeyset('+{F2}','Mute') Hotkeyset('^{F2}','Unmute') Func Mute() If _isMute(1000