[Sanjay Singh]

Can any one explain channel working in dhud or hud? there are 4 channel and how it works? and also the working of -1 channel.

Thanks.

[OciXCrom]

Just like the TV. Only 1 program per channel. Same here - 1 message per channel. You can't have more than 4 HUD messages at once or 8 DHUD. If you set a new message on a channel that already has one, it will overwrite it. -1 will automatically find the next free channel to display the message.