who can tell me how to make the reflection value low

hi all.i hava a problem,who can help me.how to make the reflection value low.i used the offical shader

the code:
Shader “FX/Mirror Reflection” {
Properties {
_MainTex (“Base (RGB)”, 2D) = “white” {}
_ReflectionTex (“Reflection”, 2D) = “white” { TexGen ObjectLinear }
}

// two texture cards: full thing
Subshader {
Pass {
SetTexture[_MainTex] { combine texture }
SetTexture[_ReflectionTex] { matrix [_ProjMatrix] combine texture * previous }
}
}

// fallback: just main texture
Subshader {
Pass {
SetTexture [_MainTex] { combine texture }
}
}

}
thank u

374158--12940--$1111_618.jpg

it’s been a while since I did this, but check out the solutions discussed at this old thread:

http://forum.unity3d.com/viewtopic.php?p=54287#54287