DM 500 NOISE PROBLEM

[thebacan]

HI EVERYONE HOPE SOMEONE CAN HELP ME I JUST BUY A blade media 500 wich is exclactly the same as DM 500, problem is when box tuning a Horizontal Frequency box make a very noice sound is anoing really, does anyone what the problem is and how to solve?
I try diferents images and is the same issue.
Thanks for help me.

[owenb]

i would say it isnt the actual box more like a lnb or a loose cable mate

[thebacan]

Thanks mate for repaly so what do you sugest me to do.?

[thebacan]

Mates i just try diferent box and works ok no noice so isnt the coaxial cable or lnb.

[visco]

make sure you have correct av settings,common fault on some recievers cvbs causes your described problem try RGB or try RSA composite lead hope it helps you m8 regards.

[owenb]

visco is right its probably the actual av settings if another box is ok, could be u have it set to ntsc and not pal?