H1B, H4 Visa

Hi All,

i got my visa on 18-Dec-2008, my appointment was at 7 AM at chennai consulate.
i was the 4 person for the day to be interviewed, it was simple.
VO has asked me following Q's
1.
VO:show me ur Graduation Ceritificate
I showed it to him

as iam a Mechie guy he has asked me how will i work in IT, as i have around 4 yrs of IT exp i have said him the same.

2.VO:asked me to explain the current proj in my present company technically.

Have explained me

3.Asked me abt the proj i will be working in US

have explained me

4.asked me about the number of employees in company

i answered him

then he has he said that my visa is granted.

but at the end he has said to me that if my employer doesnt pay me as per the norms of the company then my visa wouldn't be valid, can you guys explain me wat does Visa officer mean by this.
he has given me a small card which contains some US labour regulations.