Can't Find Bluetooth Device

[bho]

I have an iPad that I am trying to connect to some bluetooth headphones. The iPad was originally connected to a GPS device and works fine with that device. When I turn on the Bluetooth in the iPad it shows the GPS device which is turned off and "not connected" but the iPad keeps searching for the headphones but can't find them. My question is, do I have to "Forget" the GPS before it will find the headphones? What is the proper procedure when you are trying connect different devices at different times..I seem to have the same problem with my iPhone. Thanks...